['CMV Parts and Maintenance']
['CMV lights, reflectors, and reflective tape', 'Parts and Accessories - Motor Carrier']
06/04/2024
The hazard warning signal operating unit on each commercial motor vehicle shall operate independently of the ignition or equivalent switch, and when activated, cause all turn signals required by §393.11 to flash simultaneously.
[53 FR 49397, Dec. 7, 1988; 70 FR 48046, Aug. 15, 2005]