There are 7 owner-reported lighting complaints for the 2007 GMC Acadiain NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
BOTH DAYTIME RUNNING LIGHTS HAVE MELTED THE BULB SOCKETS AND THE BULB HOUSING. THE SOCKETS HAVE MELTED SO BAD THAT YOU CANNOT REMOVE THE BULB AND THE HOUSING HAS MELTED SO BAD THAT THE HOUSING WILL NO LONGER HOLD THE BULB IN PLACE. THE PROBLEM IS EXACERBATED BY THE FACT THAT YOU CANNOT TURN THE LIGHTS EITHER ON OR OFF BECAUSE THE DIAL DEFAULTS TO AUTOMATIC WHICH WILL USE THE DAYTIME RUNNING LIGHTS AUTOMATICALLY UNLESS YOU PHYSICALLY TURN THEM OFF EACH TIME YOU TURN THE CAR OFF. THIS SET OF CIRCUMSTANCES CAUSES A SERIOUS FIRE HAZARD! THIS ISSUE NEEDS TO BE RESOLVED IMMEDIATELY. THE PHOTO WITHOUT A BULB IS THE LEFT DAYTIME RUNNING LIGHT HOUSING AND THE PHOTO OF THE BULB GOES IN THAT HOUSING. THE PHOTOS WITH THE BULB STILL IN THE HOUSING ARE OF THE RIGHT RUNNING LIGHT. THE HOUSING IS COMPLETELY MELTED AND A SUBSTANCE HAS MELTED OUT OF THE SOCKET AND INTO THE HOUSING. I FEAR THAT THESE CIRCUMSTANCES WITH CAUSE A FIRST AND JEOPARDIZE THE SAFETY OF ME, MY WIFE AND MY CHILDREN.
I WAS DRIVING MY GMC ACADIA ALL OF A SUDDEN ONE OF THE HEADLIGHTS JUST TURNED OFF, THEN A FEW MINUTES AFTER SAME THING HAPPENED TO THE OTHER HEADLIGHT. I HAVE READ THAT IT HAS HAPPEN TO A FEW AND GOING TO SOME ELECTRIC ISSUE.
TL* THE CONTACT OWNS A 2007 GMC ACADIA. THE CONTACT STATED THAT THE DAYTIME RUNNING LIGHTS WERE CONTINUOUSLY BURNING. THE VEHICLE WAS TAKEN TO THE DEALER. THE TECHNICIAN DIAGNOSED THAT THE BULB WAS OVERHEATING CAUSING THE HOUSING TO MELT ON BOTH THE PASSENGER AND DRIVER SIDE. AS A RESULT, THE HEAD LIGHT ASSEMBLY NEEDED TO BE REPLACED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 32,000 AND THE CURRENT MILEAGE WAS 45,600.
MY PASSENGER SIDE HEAD LIGHT WENT OUT ON MY 2007 GMC ACADIA. I TOOK IT TO THE DEALER IT IS NOT UNDER WARRANTY ANY LONGER IT HAS 45,000 MILES ON IT. THIS WILL BE THE 3RD TIME I'VE NEEDED MY HEAD LIGHTS TO BE REPLACED AND THEY TELL ME THAT THE HARNESS IS MELTED. FROM READING ONLINE I SEEM TO NOT BE THE ONLY ONE WITH THIS SAME ISSUE. THE DEALER TOLD ME THEY WILL HAVE TO LET ME KNOW HOW MUCH IT WILL COST TO REPLACE. *TR
TL* THE CONTACT OWNS A 2007 GMC ACADIA. THE CONTACT OBSERVED THAT THE FRONT PASSENGER SIDE HEADLIGHT WOULD NOT FUNCTION AND ATTEMPTED TO REPLACE THE HEADLIGHT. WHEN REMOVING THE HEADLIGHT, HE DISCOVERED THAT THE PASSENGER SIDE LOW BEAM WIRING HARNESS HAD MELTED. THE CONTACT WAS IN THE PROCESS OF TAKING THE VEHICLE TO AN AUTHORIZED DEALER FOR REPAIRS. THE FAILURE MILEAGE WAS 45,000.
MY DRIVER SIDE HEADLIGHT BULB WENT OUT. I BOUGHT A REPLACEMENT, BUT WHEN I DISASSEMBLED EVERYTHING AND GOT TO THE BULB, THE CONNECTOR WAS SOMEWHAT MELTED AND ONE OF THE WIRES WAS PULLED OUT. WHEN I TRIED TO REMOVE THE BULB, THE CONNECTOR CRACKED. NOTE THAT THIS WAS THE ORIGINAL BULB. *TR
LOW BEAM WIRE HARNESS MELTED WITH A RISK OF FIRE DUE TO WRONG WATTAGE BULB ACCORDING TO GM DEALERSHIP. CIRCUIT PROTECTION WAS INADEQUATE TO PREVENT SUCH A COMMON FAILURE MODE. HARNESS HAS NOT YET BEEN REPLACED.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026