[Code of Federal Regulations]

[Title 49, Volume 5]

[Revised as of October 1, 2005]

From the U.S. Government Printing Office via GPO Access

[CITE: 49CFR393.19]



[Page 392]

 

                        TITLE 49--TRANSPORTATION

 

                      DEPARTMENT OF TRANSPORTATION

 

PART 393_PARTS AND ACCESSORIES NECESSARY FOR SAFE OPERATION--Table of 

Contents

 

       Subpart B_Lamps, Reflective Devices, and Electrical Wiring

 

Sec. 393.19  Hazard warning signals.



    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 Sec. 

393.11 to flash simultaneously.



[70 FR 48046, Aug. 15, 2005]