NHTSA Complaint #11010172 — 2004 TOYOTA PRIUS

2004 TOYOTA PRIUS WITH HID OPTION. ONE OR BOTH HID HEADLIGHTS GO OUT WHILE PARKED OR DRIVING. TURNING THE LIGHT CONTROL ON AND OFF WILL TEMPORARILY SOLVE THE ISSUE. THE ISSUE IS RANDOM IN NATURE. FOR INSTANCE, I NOTICED ONE HEADLIGHT WENT OUT THIS MORNING AND BEFORE I COULD TURN THE SWITCH TO RESET THE OTHER HEADLIGHT WENT OUT, LEAVING ME IN THE DARK ON THE ROAD. THE VEHICLE MAY BE PARK OR IN MOTION. THERE APPEARS TO BE NO DIRECT RELATION TO ENVIRONMENTAL FACTORS. EXTREMELY DANGEROUS WHEN DRIVING ON RURAL ROADS WITH NO STREET LIGHTS. IT APPEARS TO ME TO BE A BALLAST ISSUE. THIS REPAIR REQUIRES WORKING WITH HIGH VOLTAGE COMPONENTS AND GOES BEYOND THE SCOPE OF A DIY PROJECT. THIS HAS BEEN AN ONGOING ISSUE FOR ME, BUT ONLY RECENTLY HAVE BOTH HEADLIGHTS STARTED TO FAIL AT THE SAME TIME. THANK YOU.