625 ILCS 5/ Illinois Vehicle Code.

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VEHICLES
(625 ILCS 5/) Illinois Vehicle Code.

625 ILCS 5/12-401
    (625 ILCS 5/12-401) (from Ch. 95 1/2, par. 12-401)
    Sec. 12-401. Restriction as to tire equipment. No metal tired vehicle, including tractors, motor vehicles of the second division, traction engines and other similar vehicles, shall be operated over any improved highway of this State, if such vehicle has on the periphery of any of the road wheels any block, stud, flange, cleat, ridge, lug or any projection of metal or wood which projects radially beyond the tread or traffic surface of the tire. This prohibition does not apply to pneumatic tires with metal studs used on vehicles operated by rural letter carriers who are employed or enjoy a contract with the United States Postal Service for the purpose of delivering mail if such vehicle is actually used for such purpose during operations between November 15 of any year and April 1 of the following year, or to motor vehicles displaying a disability license plate or a license plate for veterans with disabilities whose owner resides in an unincorporated area located upon a county or township highway or road and possesses a valid driver's license and operates the vehicle with such tires only during the period heretofore described, or to tracked type motor vehicles when that part of the vehicle coming in contact with the road surface does not contain any projections of any kind likely to injure the surface of the road; however, tractors, traction engines, and similar vehicles may be operated which have upon their road wheels V-shaped, diagonal or other cleats arranged in such a manner as to be continuously in contact with the road surface, provided that the gross weight upon such wheels per inch of width of such cleats in contact with the road surface, when measured in the direction of the axle of the vehicle, does not exceed 800 pounds.
    All motor vehicles and all other vehicles in tow thereof, or thereunto attached, operating upon any roadway, shall have tires of rubber or some material of equal resiliency. Solid tires shall be considered defective and shall not be permitted to be used if the rubber or other material has been worn or otherwise reduced to a thickness of less than three-fourths of an undue vibration when the vehicle is in motion or to cause undue concentration of the wheel load on the surface of the road. The requirements of this Section do not apply to agricultural tractors or traction engines or to agricultural machinery, including wagons being used for agricultural purposes in tow thereof, or to road rollers or road building machinery operated at a speed not in excess of 10 miles per hour. All motor vehicles of the second division, operating upon any roadway shall have pneumatic tires, unless exempted herein.
    Nothing in this Section shall be deemed to prohibit the use of tire chains of reasonable proportion upon any vehicle when required for safety because of snow, ice or other conditions tending to cause a vehicle to skid.
(Source: P.A. 99-143, eff. 7-27-15.)

625 ILCS 5/12-402
    (625 ILCS 5/12-402) (from Ch. 95 1/2, par. 12-402)
    Sec. 12-402. Sale or lease of siped or regrooved pneumatic tire. No person or organization shall sell or lease or offer for sale or lease, for use on a highway, any pneumatic tire, either original tread or retread, on which the tread is siped or regrooved to a depth equal to or deeper than the molded groove depth, unless the tire was constructed or retreaded with sufficient tread material and type of labels to permit such siping or regrooving. Such labels and siping or regrooving shall be in compliance with Part 569 of Title 49 of the Code of Federal Regulations, and after siping or regrooving the tire shall conform to that Part.
    For the purpose of this Article, siped shall mean cut without removing material, and regrooved shall mean the tread groove pattern is renewed, or a new pattern generated, or both, without additional tread material being added.
(Source: P.A. 83-213.)

625 ILCS 5/12-403
    (625 ILCS 5/12-403) (from Ch. 95 1/2, par. 12-403)
    Sec. 12-403. Sale or lease of retreaded or "recapped" pneumatic tire. No person or organization shall sell or lease or offer for sale or lease, for use on a highway, any pneumatic tire produced or rebuilt by a process in which tread material is attached to a used tire, unless the tire, tread material, labelling and certification, before and after processing, conform to Part 571.117 of Title 49 of the Code of Federal Regulations.
(Source: P.A. 83-213.)

625 ILCS 5/12-404
    (625 ILCS 5/12-404) (from Ch. 95 1/2, par. 12-404)
    Sec. 12-404. Sale or lease of pneumatic tire without marking. No person or organization shall sell or lease or offer for sale or lease, for use on a highway, any pneumatic tire that does not bear the special marking required by this Section.
    (a) Regrooved or siped tire. In addition to the identification, labelling and certification required under Section 12-402, either the word "regrooved" or the word "siped" shall be branded on each side of a pneumatic tire on which the tread is either regrooved or siped, as the case may be. In the case of a tire that is both regrooved and siped, the word "regrooved" alone on each side shall suffice, although both words may appear on each side. Each branding shall be conspicuous but shall be sized, located and applied so as not to weaken or damage the tire or otherwise degrade the performance of the tire or shorten its useful life.
    (b) Retreaded tire. In addition to the labelling, identification, certification and other marking required under Section 12-403, the word "retreaded" shall be branded or molded into or onto each side of a pneumatic tire that has been retreaded or "recapped". Each molding or branding shall be conspicuous but shall be sized, located and applied so as not to weaken or damage the tire or otherwise degrade the performance of the tire or shorten its useful life.
    (c) New tire. The labelling, identification, certification and other marking required by Part 571.109 of Title 49 of the Code of Federal Regulations shall appear on each new pneumatic tire intended for use on a passenger car other than a multipurpose passenger vehicle. The labelling, identification, certification and other marking required by Part 571.119 of Title 49 of the Code of Federal Regulations shall appear on each new pneumatic tire intended for use on either a multipurpose passenger vehicle or other type of vehicle that is not a passenger car.
(Source: P.A. 83-213.)

625 ILCS 5/12-405
    (625 ILCS 5/12-405) (from Ch. 95 1/2, par. 12-405)
    Sec. 12-405. Operating condition of pneumatic tires. (a) Definition. The term "spare tire" as used in this Section 12-405 means any new, used or specially constructed tire that is either carried or installed for short term emergency use.
    (b) Promulgated Rules. The Department shall promulgate rules concerning unsafe operating conditions of pneumatic tires. The rules shall be enforced by police officers by visual inspection of tires, including visual comparison with simple measuring scales or gauges. The rules shall include precepts and standards for determining unsafe conditions, including the determination of an effective depth of tread groove, and shall be based upon, to the extent that it is reasonable and practical, all provisions set forth in paragraph (d) of this Section.
    (c) Use of Unsafe Tire. 1. No person or organization shall place, drive or move, or cause or allow to be placed, driven or moved, on a highway of this State, any vehicle equipped with one or more pneumatic tires deemed to be unsafe under a provision of paragraph (d) of this Section or a rule promulgated under paragraph (b) of this Section.
    2. Exemptions. Any restriction stated in this paragraph (c) shall not apply:
    (i) To a tire on a damaged, disabled, abandoned, or other unsafe or unwanted vehicle being legally towed, pushed or otherwise transferred to a repair, relocation, storage, salvage, junking, or other collection site;
    (ii) To a tire on a racing or other competitive vehicle being legally moved or transported, not under its own power, to a lawful competition site or to a bona fide testing site; or
    (iii) To a spare tire either carried or in short term emergency use for only such distance or time as is reasonably necessary to accomplish the repair or replacement of the damaged or unsafe tire for which the spare was substituted.
    (d) Criteria for Unsafe Pneumatic Tires. A pneumatic tire shall be deemed to be unsafe if it has:
    1. Any part of a ply or cord exposed;
    2. A tread or sidewall crack, cut, snag, or other surface interruption deep enough to expose a ply or cord;
    3. Any bulge, knot, or separation;
    4. Tread wear indicators flush with the tread outer surface in any 2 or more adjacent tread grooves at 3 locations approximately equally spaced around the circumference of the tire;
    5. A depth of tread groove less than 2/32 of an inch or less than 1/32 of an inch if on a motorcycle or truckster, measured in any 2 or more adjacent tread grooves at 3 locations approximately equally spaced around the circumference of the tire, at least one of which, in the judgment of the inspecting officer, is a location at which the tread is thinnest, provided that any measurement over a tie bar, tread wear indicator, hump or fillet is excluded;
    6. A depth of tread groove less than 4/32 of an inch at any one location and the tire is mounted on the front wheel of a motor vehicle subject to the provisions of Chapter 18B of this Code, provided that any measurement over a tie bar, tread wear indicator, hump or fillet is excluded;
    7. A marking which indicates that the tire is not intended for use on a public highway;
    8. Been regrooved or recut below the bottom of an original tread groove, except in the case of a special "regroovable" tire that was manufactured or retreaded with thick undertread, identified and regrooved in compliance with the applicable federal standard in Title 49 of the Code of Federal Regulations, and in compliance with each applicable Section of this Code; or
    9. Other condition, marking or lack of marking that may be reasonably demonstrated to identify the tire as unsuitable for highway use, including inflation, load, speed or installation condition seriously incompatible with the tire size, construction, or other pertinent marking or feature.
    (e) Sale, Lease or Installation of Pneumatic Tires. 1. No person or organization shall sell, lease, or offer for sale or lease, or mount, install, or cause or allow to be mounted or installed, for use on a highway, any pneumatic tire deemed to be unsafe under paragraph (d) of this Section or under a rule promulgated under paragraph (b) of this Section. Except as provided in paragraph (c) of this Section, any person or organization offering a vehicle for sale or lease shall, prior to its being placed, driven or moved on a highway, correct any unsafe tire condition.
    2. No person or organization shall sell, lease, or offer for sale or lease, for highway use, any pneumatic tire, or any vehicle equipped with a pneumatic tire, which has a depth of tread groove less than 3/32 of an inch; except a pneumatic tire on a motorcycle or truckster may have a depth of tire groove of not less than 2/32 of an inch. Groove depth shall not be measured where a tie bar, tread wear indicator, hump or fillet is located.
    (f)  Compliance and Enforcement. Any police officer, upon reasonable cause to believe that a person or organization has acted or is acting in violation of any provision of this Section, shall require the driver, owner, or other appropriate custodian to submit the tire or tires to an inspection. When so required, the owner or other appropriate custodian shall allow the tire inspection and the driver of a vehicle or combination of vehicles shall stop at a designated location and allow the tire or tires to be inspected or shall move the vehicle or combination to a location that is reasonably convenient and is suitable for such inspection.
(Source: P.A. 83-213.)

625 ILCS 5/12-407
    (625 ILCS 5/12-407) (from Ch. 95 1/2, par. 12-407)
    Sec. 12-407. Rules and regulations. The Department may promulgate rules and regulations to clarify or specify the requirements of this Article IV.
(Source: P.A. 83-213.)

625 ILCS 5/Ch. 12 Art. V

    (625 ILCS 5/Ch. 12 Art. V heading) ARTICLE V. GLASS, WINDSHIELDS AND MIRRORS

625 ILCS 5/12-500
    (625 ILCS 5/12-500) (from Ch. 95 1/2, par. 12-500)
    Sec. 12-500. (Repealed).
(Source: P.A. 77-37. Repealed by P.A. 90-89, eff. 1-1-98.)

625 ILCS 5/12-501
    (625 ILCS 5/12-501) (from Ch. 95 1/2, par. 12-501)
    Sec. 12-501. Windshields and safety glazing material in motor vehicles.
    (a) Every motor vehicle operated upon the highways of this State shall be equipped with a front windshield which complies with those standards as established pursuant to this Section and Section 12-503 of this Code. This subsection shall not apply to motor vehicles designed and used exclusively for off-highway use, motorcycles, motor-driven cycles, motorized pedalcycles, nor to motor vehicles registered as antique vehicles, expanded-use antique vehicles, custom vehicles, or street rods when the original design of such vehicles did not include front windshields.
    (b) No person shall knowingly sell any 1936 or later model motor vehicle unless such vehicle is equipped with safety glazing material conforming to specifications prescribed by the Department wherever glazing material is used in doors, windows and windshields. Regulations promulgated by the Department specifying standards for safety glazing material on windshields shall, as a minimum, conform with those applicable Federal Motor Vehicles Safety Standards (49 CFR 571.205). These provisions apply to all motor vehicles of the first and second division but with respect to trucks, including truck tractors, the requirements as to safety glazing material apply to all glazing material used in doors, windows and windshields in the drivers' compartments of such vehicles.
    (c) It is unlawful for the owner or any other person knowingly to install or cause to be installed in any motor vehicle any glazing material other than safety glazing material conforming to the specifications prescribed by the Department.
(Source: P.A. 97-412, eff. 1-1-12.)

625 ILCS 5/12-502
    (625 ILCS 5/12-502) (from Ch. 95 1/2, par. 12-502)
    Sec. 12-502. Mirrors. Every motor vehicle, operated singly or when towing another vehicle, shall be equipped with a mirror so located as to reflect to the driver a view of the highway for a distance of at least 200 feet to the rear of such motor vehicle.
(Source: P.A. 82-122.)

625 ILCS 5/12-503
    (625 ILCS 5/12-503) (from Ch. 95 1/2, par. 12-503)
    Sec. 12-503. Windshields must be unobstructed and equipped with wipers.
    (a) No person shall drive a motor vehicle with any sign, poster, window application, reflective material, nonreflective material or tinted film upon the front windshield, except that a nonreflective tinted film may be used along the uppermost portion of the windshield if such material does not extend more than 6 inches down from the top of the windshield.
    (a-3) No new or used motor vehicle dealer shall permit a driver to drive a motor vehicle offered for sale or lease off the premises where the motor vehicle is being offered for sale or lease, including when the driver is test driving the vehicle, with signs, decals, paperwork, or other material on the front windshield or on the windows immediately adjacent to each side of the driver that would obstruct the driver's view in violation of subsection (a) of this Section. For purposes of this subsection (a-3), "test driving" means when a driver, with permission of the new or used vehicle dealer or employee of the new or used vehicle dealer, drives a vehicle owned and held for sale or lease by a new or used vehicle dealer that the driver is considering to purchase or lease.
    (a-5) No window treatment or tinting shall be applied to the windows immediately adjacent to each side of the driver, except:
        (1) On vehicles where none of the windows to the

rear of the driver's seat are treated in a manner that allows less than 30% light transmittance, a nonreflective tinted film that allows at least 50% light transmittance, with a 5% variance observed by any law enforcement official metering the light transmittance, may be used on the vehicle windows immediately adjacent to each side of the driver.
        (2) On vehicles where none of the windows to the

rear of the driver's seat are treated in a manner that allows less than 35% light transmittance, a nonreflective tinted film that allows at least 35% light transmittance, with a 5% variance observed by any law enforcement official metering the light transmittance, may be used on the vehicle windows immediately adjacent to each side of the driver.
        (3) (Blank).
        (4) On vehicles where a nonreflective smoked or

tinted glass that was originally installed by the manufacturer on the windows to the rear of the driver's seat, a nonreflective tint that allows at least 50% light transmittance, with a 5% variance observed by a law enforcement official metering the light transmittance, may be used on the vehicle windows immediately adjacent to each side of the driver.
    (a-10) No person shall install or repair any material prohibited by subsection (a) of this Section.
        (1) Nothing in this subsection shall prohibit a

person from removing or altering any material prohibited by subsection (a) to make a motor vehicle comply with the requirements of this Section.
        (2) Nothing in this subsection shall prohibit a

person from installing window treatment for a person with a medical condition described in subsection (g) of this Section. An installer who installs window treatment for a person with a medical condition described in subsection (g) must obtain a copy of the certified statement or letter written by a physician described in subsection (g) from the person with the medical condition prior to installing the window treatment. The copy of the certified statement or letter must be kept in the installer's permanent records.
    (b) On motor vehicles where window treatment has not been applied to the windows immediately adjacent to each side of the driver, the use of a perforated window screen or other decorative window application on windows to the rear of the driver's seat shall be allowed.
    (b-5) Any motor vehicle with a window to the rear of the driver's seat treated in this manner shall be equipped with a side mirror on each side of the motor vehicle which are in conformance with Section 12-502.
    (c) No person shall drive a motor vehicle with any objects placed or suspended between the driver and the front windshield, rear window, side wings or side windows immediately adjacent to each side of the driver which materially obstructs the driver's view.
    (d) Every motor vehicle, except motorcycles, shall be equipped with a device, controlled by the driver, for cleaning rain, snow, moisture or other obstructions from the windshield; and no person shall drive a motor vehicle with snow, ice, moisture or other material on any of the windows or mirrors, which materially obstructs the driver's clear view of the highway.
    (e) No person shall drive a motor vehicle when the windshield, side or rear windows are in such defective condition or repair as to materially impair the driver's view to the front, side or rear. A vehicle equipped with a side mirror on each side of the vehicle which are in conformance with Section 12-502 will be deemed to be in compliance in the event the rear window of the vehicle is materially obscured.
    (f) Subsections (a), (a-5), (b), and (b-5) of this Section shall not apply to:
        (1) (Blank).
        (2) those motor vehicles properly registered in

another jurisdiction.
    (g) Subsections (a) and (a-5) of this Section shall not apply to window treatment, including, but not limited to, a window application, nonreflective material, or tinted film, applied or affixed to a motor vehicle for which distinctive license plates or license plate stickers have been issued pursuant to subsection (k) of Section 3-412 of this Code, and which:
        (1) is owned and operated by a person afflicted with

or suffering from a medical disease, including, but not limited to, systemic or discoid lupus erythematosus, disseminated superficial actinic porokeratosis, light sensitivity as a result of a traumatic brain injury, or albinism, which would require that person to be shielded from the direct rays of the sun; or
        (2) is used in transporting a person when the person

resides at the same address as the registered owner of the vehicle and the person is afflicted with or suffering from a medical disease which would require the person to be shielded from the direct rays of the sun, including, but not limited to, systemic or discoid lupus erythematosus, disseminated superficial actinic porokeratosis, light sensitivity as a result of a traumatic brain injury, or albinism.
        The owner must obtain a certified statement or letter

written by a physician licensed to practice medicine in Illinois that such person owning and operating or being transported in a motor vehicle is afflicted with or suffers from such disease, including, but not limited to, systemic or discoid lupus erythematosus, disseminated superficial actinic porokeratosis, light sensitivity as a result of a traumatic brain injury, or albinism. However, no exemption from the requirements of subsection (a-5) shall be granted for any condition for which protection from the direct rays of the sun can be adequately obtained by the use of sunglasses or other eye protective devices.
        Such certification must be carried in the motor

vehicle at all times. The certification shall be legible and shall contain the date of issuance, the name, address and signature of the attending physician, and the name, address, and medical condition of the person requiring exemption. The information on the certificate for a window treatment must remain current and shall be renewed every 4 years by the attending physician. The owner shall also submit a copy of the certification to the Secretary of State. The Secretary of State may forward notice of certification to law enforcement agencies.
    (g-5) (Blank).
    (g-7) Installers shall only install window treatment authorized by subsection (g) on motor vehicles for which distinctive plates or license plate stickers have been issued pursuant to subsection (k) of Section 3-412 of this Code. The distinctive license plates or plate sticker must be on the motor vehicle at the time of window treatment installation.
    (h) Subsection (a) of this Section shall not apply to motor vehicle stickers or other certificates issued by State or local authorities which are required to be displayed upon motor vehicle windows to evidence compliance with requirements concerning motor vehicles.
    (i) (Blank).
    (j) A person found guilty of violating subsection (a), (a-3), (a-5), (a-10), (b), (b-5), or (g-7) of this Section shall be guilty of a petty offense and fined no less than $50 nor more than $500. A second or subsequent violation of subsection (a), (a-3), (a-5), (a-10), (b), (b-5), or (g-7) of this Section shall be treated as a Class C misdemeanor and the violator fined no less than $100 nor more than $500. Any person convicted under subsection (a), (a-5), (b), or (b-5) of this Section shall be ordered to alter any nonconforming windows into compliance with this Section.
    (k) Except as provided in subsection (a-3) of this Section, nothing in this Section shall create a cause of action on behalf of a buyer against a vehicle dealer or manufacturer who sells a motor vehicle with a window which is in violation of this Section.
    (l) The Secretary of State shall provide a notice of the requirements of this Section to a new resident applying for vehicle registration in this State pursuant to Section 3-801 of this Code. The Secretary of State may comply with this subsection by posting the requirements of this Section on the Secretary of State's website.
    (m) A home rule unit may not regulate motor vehicles in a manner inconsistent with this Section. This Section is a limitation under subsection (i) of Section 6 of Article VII of the Illinois Constitution on the concurrent exercise by home rule units of powers and functions exercised by the State.
(Source: P.A. 102-111, eff. 1-1-22.)

625 ILCS 5/Ch. 12 Art. VI

    (625 ILCS 5/Ch. 12 Art. VI heading) ARTICLE VI. MISCELLANEOUS REQUIREMENTS

625 ILCS 5/12-600
    (625 ILCS 5/12-600) (from Ch. 95 1/2, par. 12-600)
    Sec. 12-600. (Repealed).
(Source: P.A. 86-498. Repealed by P.A. 90-89, eff. 1-1-98.)

625 ILCS 5/12-601
    (625 ILCS 5/12-601) (from Ch. 95 1/2, par. 12-601)
    Sec. 12-601. Horns and warning devices.
    (a) Every motor vehicle when operated upon a highway shall be equipped with a horn in good working order and capable of emitting sound audible under normal conditions from a distance of not less than 200 feet, but no horn or other warning device shall emit an unreasonable loud or harsh sound or a whistle. The driver of a motor vehicle shall when reasonably necessary to insure safe operation give audible warning with his horn but shall not otherwise use such horn when upon a highway.
    (b) No vehicle shall be equipped with nor shall any person use upon a vehicle any siren, whistle, or bell, except as otherwise permitted in this Section. Any authorized emergency vehicle or organ transport vehicle as defined in Chapter 1 of this Code or a vehicle operated by a fire chief, deputy fire chief, assistant fire chief, or the Director or Coordinator of a municipal or county emergency services and disaster agency may be equipped with a siren, whistle, or bell capable of emitting sound audible under normal conditions from a distance of not less than 500 feet, but such siren, whistle, or bell shall not be used except when such vehicle is operated in response to an emergency call or in the immediate pursuit of an actual or suspected violator of the law in either of which events the driver of such vehicle shall sound such siren, whistle, or bell when necessary to warn pedestrians and other drivers of the approach thereof.
    (c) Trackless trolley coaches, as defined by Section 1-206 of this Code, and replica trolleys, as defined by Section 1-171.04 of this Code, may be equipped with a bell or bells in lieu of a horn, and may, in addition to the requirements of subsection (a) of this Section, use a bell or bells for the purpose of indicating arrival or departure at designated stops during the hours of scheduled operation.
(Source: P.A. 102-448, eff. 1-1-22.)

625 ILCS 5/12-601.1
    (625 ILCS 5/12-601.1)
    Sec. 12-601.1. Traffic control signal preemption devices.
    (a) As used in this Section, "traffic control signal preemption device" means any device, either mechanical or electrical, that emits a pulse of light or other signal that, when received by a detector attached to a traffic control signal, changes that traffic control signal to a green light or, if the traffic control signal is already green, extends the duration of the green light.
    (b) Except as provided in subsection (d), a traffic control signal preemption device may not be installed on a motor vehicle, may not be transported in the passenger compartment of a motor vehicle, and may not be operated by the driver or passenger of a motor vehicle.
    Violation of this subsection (b) is a Class A misdemeanor, punishable by a fine of $1,000 in addition to any other penalty that may be imposed.
    (c) A retailer or manufacturer may not sell a traffic control signal preemption device to any person or entity for any intended use other than operation as permitted under subsection (d).
    Violation of this subsection (c) is a Class A misdemeanor, punishable by a fine of $5,000 for each sale of each device, in addition to any other penalty that may be imposed.
    (d) Installation of a traffic control signal preemption device is permitted on the following vehicles, and operation of the device is permitted as follows:
        (1) Police department vehicles, when responding to a

bona fide emergency, when used in combination with red or blue oscillating, rotating, or flashing lights.
        (2) Law enforcement vehicles of State or local

authorities, when responding to a bona fide emergency, when used in combination with red oscillating, rotating, or flashing lights.
        (3) Vehicles of local fire departments, fire

protection districts, and State or federal firefighting vehicles, when responding to a bona fide emergency, when used in combination with red oscillating, rotating, or flashing lights.
        (4) Vehicles that are designed and used exclusively

as ambulances or rescue vehicles, when responding to a bona fide emergency, when used in combination with red oscillating, rotating, or flashing lights.
        (5) Vehicles that are equipped and used exclusively

as organ transport vehicles, when the transportation is declared an emergency by a member of the transplant team or a representative of the organ procurement organization, when used in combination with red oscillating, rotating, or flashing lights.
        (6) Vehicles of the Illinois Emergency Management

Agency and vehicles of the Department of Nuclear Safety, when responding to a bona fide emergency, when used in combination with red oscillating, rotating, or flashing lights.
        (7) Commuter buses owned by any political subdivision

of this State, operated either by the political subdivision or its lessee or agent, and offering short-haul for-hire regularly scheduled passenger transportation service, over regular routes with fixed schedules, within metropolitan and suburban areas, when used to extend the duration of an already green light to meet schedules.
        (8) Vehicles used for snow removal owned by any

political subdivision of this State, operated either by the political subdivision or its lessee or agent, when used during a snow emergency in combination with yellow or amber oscillating, rotating, or flashing lights, when used to extend the duration of an already green light.
    (e) This Section does not prohibit use by motorcycles of electronic or magnetic safety devices designed to allow traffic control signal systems to recognize or detect motorcycles.
(Source: P.A. 102-842, eff. 1-1-23.)

625 ILCS 5/12-601.2

    (625 ILCS 5/12-601.2)
    Sec. 12-601.2. (Repealed).
(Source: P.A. 94-373, eff. 1-1-06. Repealed by P.A. 99-576, eff. 7-15-16.)

625 ILCS 5/12-602
    (625 ILCS 5/12-602) (from Ch. 95 1/2, par. 12-602)
    Sec. 12-602. Mufflers, prevention of noise.
    Every motor vehicle driven or operated upon the highways of this State shall at all times be equipped with an adequate muffler or exhaust system in constant operation and properly maintained to prevent any excessive or unusual noise. No such muffler or exhaust system shall be equipped with a cutout, bypass or similar device. No person shall modify the exhaust system of a motor vehicle in a manner which will amplify or increase the noise of such vehicle above that emitted by the muffler originally installed on the vehicle, and such original muffler shall comply with all the requirements of this Section.
(Source: P.A. 77-37.)

625 ILCS 5/12-602.1
    (625 ILCS 5/12-602.1)
    Sec. 12-602.1. Excessive engine braking noise signs.
    (a) A county or municipality may post signs that prohibit the driver of a commercial vehicle, as defined in Section 1-111.8 of this Code, from operating or actuating any engine braking system that emits excessive noise. The Department of Transportation may erect and maintain the signs on interstate highways near weigh stations that are adjacent to residential areas or communities.
    (b) The sign shall state, "EXCESSIVE ENGINE BRAKING NOISE PROHIBITED". The Department of Transportation shall adopt rules providing for the erection and placement of these signs.
    (c) This Section does not apply to the use of an engine braking system that has an adequate sound muffling system in proper working order that prevents excessive noise.
    (d) It is a defense to this Section that the driver used an engine braking system that emits excessive noise in an emergency to avoid a collision with a person or another vehicle on the highway.
    (e) A violation of this Section is an equipment violation punishable by a fine of $75.
(Source: P.A. 96-523, eff. 1-1-10.)

625 ILCS 5/12-603
    (625 ILCS 5/12-603) (from Ch. 95 1/2, par. 12-603)
    Sec. 12-603. Seat safety belts.
    (a) No person shall sell any 1965 or later model motor vehicle of the first division unless the front seat of such motor vehicle is equipped with 2 sets of seat safety belts. Motorcycles are exempted from the provisions of this Section.
    (b) No person shall operate any 1965 or later model motor vehicle of the first division that is titled or licensed by the Secretary of State unless the front seat of such motor vehicle is equipped with 2 sets of seat safety belts.
    (b-5) No person under the age of 18 years shall operate any motor vehicle, except a motor driven cycle or motorcycle, with more than one passenger in the front seat of the motor vehicle and no more passengers in the back seats than the number of available seat safety belts, except that each driver under the age of 18 years operating a second division vehicle having a gross vehicle weight rating of 8,000 pounds or less that contains only a front seat may operate the vehicle with more than one passenger in the front seat, provided that each passenger is wearing a properly adjusted and fastened seat safety belt.
    (c) (Blank).
    (d) The Department shall establish performance specifications for seat safety belts and for the attachment and installation thereof.
(Source: P.A. 89-120, eff. 7-7-95; 90-89, eff. 1-1-98; 90-369, eff. 1-1-98; 90-655, eff. 7-30-98.)

625 ILCS 5/12-603.1
    (625 ILCS 5/12-603.1) (from Ch. 95 1/2, par. 12-603.1)
    Sec. 12-603.1. Driver and passenger required to use safety belts, exceptions and penalty.
    (a) Each driver and passenger of a motor vehicle operated on a street or highway in this State shall wear a properly adjusted and fastened seat safety belt. A child less than 8 years of age shall be protected as required pursuant to the Child Passenger Protection Act. Each driver of a motor vehicle transporting a child 8 years of age or more, but less than 16 years of age, shall secure the child in a properly adjusted and fastened seat safety belt as required under the Child Passenger Protection Act. Each driver of a motor vehicle transporting a passenger who is unable, due to infirmity, illness, or age, to properly adjust and fasten a seat safety belt and is not exempted from wearing a seat safety belt under subsection (b) shall secure the passenger in a properly adjusted and fastened seat safety belt as required under this Section.
    (b) Paragraph (a) shall not apply to any of the following:
        1. A driver or passenger frequently stopping and

leaving the vehicle or delivering property from the vehicle, if the speed of the vehicle between stops does not exceed 15 miles per hour.
        2. A driver or passenger possessing a written

statement from a physician that such person is unable, for medical or physical reasons, to wear a seat safety belt.
        3. A driver or passenger possessing an official

certificate or license endorsement issued by the appropriate agency in another state or country indicating that the driver is unable for medical, physical, or other valid reasons to wear a seat safety belt.
        4. A driver operating a motor vehicle in reverse.
        5. A motor vehicle with a model year prior to 1965.
        6. A motorcycle or motor driven cycle.
        7. A moped.
        8. A motor vehicle which is not required to be

equipped with seat safety belts under federal law.
        9. A motor vehicle operated by a rural letter carrier

of the United States postal service while performing duties as a rural letter carrier.
        10. A driver or passenger of an authorized emergency

vehicle, except this exception does not apply to vehicles of the fire department; vehicles of the Office of the State Fire Marshal; or ambulances, unless the delivery of life-saving measures prohibits the use of a seat safety belt.
        11. A back seat passenger of a taxicab.
    (c) Failure to wear a seat safety belt in violation of this Section shall not be considered evidence of negligence, shall not limit the liability of an insurer, and shall not diminish any recovery for damages arising out of the ownership, maintenance, or operation of a motor vehicle.
    (d) A violation of this Section shall be a petty offense and subject to a fine not to exceed $25.
    (e) (Blank).
    (f) A law enforcement officer may not search or inspect a motor vehicle, its contents, the driver, or a passenger solely because of a violation of this Section.
(Source: P.A. 97-16, eff. 1-1-12; 97-333, eff. 8-12-11; 98-451, eff. 8-16-13.)