['CMV Parts and Maintenance']

['Parts and Accessories - Motor Carrier', 'CMV lights, reflectors, and reflective tape']

06/03/2026

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CMV Parts and Maintenance - Parts and Accessories - Motor Carrier

§393.19 Hazard warning signals.

RegSense Fleet Safety Federal Motor Carrier Safety Administration (FMCSA), DOT CFR Regulations CMV Parts and Maintenance CMV lights, reflectors, and reflective tape Parts and Accessories - Motor Carrier Focus Area CFR Section English Transportation USA

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]

['CMV Parts and Maintenance']

['Parts and Accessories - Motor Carrier', 'CMV lights, reflectors, and reflective tape']

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