Michigan § 257.685 - Head lamps; number; modulator; height; auxiliary, spot, or other lamp; exemption.

Full text of Michigan Michigan Compiled Laws § 257.685 — Head lamps; number; modulator; height; auxiliary, spot, or other lamp; exemption., with citation guidance and answers to common questions.

§ 257.685. Head lamps; number; modulator; height; auxiliary, spot, or other lamp; exemption.

Sec. 685.

(1) Except as otherwise provided in subsection (2), a motor vehicle shall be equipped with at least 2 head lamps with at least 1 head lamp on each side of the front of the motor vehicle, in compliance with this chapter. An implement of husbandry manufactured on or after January 1, 2007 shall comply with section 684a.

(2) A motorcycle or moped shall be equipped with at least 1 and not more than 2 head lamps that comply with this chapter.

(3) A motorcycle or moped head lamp may be wired or equipped to allow either its upper beam or its lower beam, but not both, to modulate from a higher intensity to a lower intensity. A head lamp modulator installed on a motorcycle or moped with 2 head lamps shall be wired in a manner to prevent the head lamps from modulating at different rates or not in synchronization with each other. A head lamp modulator installed on a motorcycle or moped shall meet the standards prescribed in 49 CFR 571.108.

(4) Every head lamp upon a motor vehicle shall be located at a height measured from the center of the head lamp of not more than 54 inches nor less than 24 inches above the level surface upon which the vehicle stands.

(5) When a motor vehicle equipped with head lamps as required in this section is also equipped with auxiliary lamps or a spot lamp or any other lamp on the front of the motor vehicle projecting a beam of an intensity greater than 300 candlepower, not more than a total of 4 of those lamps on the front of a vehicle shall be lighted at a time when upon a highway.

(6) A motor vehicle licensed as an historic vehicle is exempt from the requirements of this section if the vehicle as originally equipped failed to meet these requirements. An historic vehicle shall not be operated in violation of section 684.

Source: official Michigan text · Last verified 2026-08-27

Frequently Asked Questions About Michigan § 257.685

What does Michigan Compiled Laws § 257.685 cover?

Section 257.685 ("Head lamps; number; modulator; height; auxiliary, spot, or other lamp; exemption.") is part of the Michigan Compiled Laws, the codified statutory law of Michigan. It sets out the legal rule or procedure described in the text above. Statutes are amended regularly, so always verify against the official source.

How do I cite Michigan § 257.685?

A common citation format is "Michigan Compiled Laws § 257.685" (Michigan). Legal writing may require the code abbreviation, section number, and year or edition. Match the style required by your court, professor, or publisher.

Is this the official text of Michigan law?

No. This page is for research and education and may not include the most recent amendments. For official current law, check the Michigan official source linked on this page or consult a licensed Michigan attorney.

How does Michigan § 257.685 apply to my situation?

Statutes are interpreted in context, and application depends on your specific facts. Only a licensed attorney in Michigan can advise on how this section applies to you. Contact your state or local bar association for a referral.

Sources & Verification

Not legal advice. Verify against the official source and consult a licensed attorney in Michigan.