13429 - SERVICE UPDATE. THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO REPLACE THE HAZARD WARNING SWITCH ON CERTAIN VEHICLES. SOFTWARE IN THE HAZARD WARNING SWITCH MAY CAUSE THE ACTIVATION OF THE HAZARD WARNING LAMPS WHEN THE VEHICLE HAS BEEN TURNED OFF FOR APPROXIMATELY 10 MINUTES. IF THE HAZARD WARNING LAMP ACTIVATION GOES UNNOTICED, IT COULD DRAIN THE BATTERY.
