Exterior Lighting Related Problems of the 2015 GMC Terrain

Table 1 shows three common exterior lighting related problems of the 2015 GMC Terrain. The number one most common problem is related to the exterior lighting (17 problems). The second most common problem is related to the headlights (six problems).

Table 1. Exterior Lighting related problems of GMC Terrain

Problem Category Number of Problems
Exterior Lighting problems
17
Headlights problems
6
Turn Signal problems
1

Recently reported Exterior Lighting problems of the 2015 GMC Terrain

The Exterior Lighting problem

The blower fan for heat in my vehicle was replaced in October 2022, recently the defroster will not engage and it is vital to winter driving. The mechanism that switches between which vent to blow out air was replaced and the defroster will still not engage, rather it comes out of the heat and face   Read details...

The Headlights problem

Head lights on low beam are set to the right and can not be modified or corrected by the dealer. During rainy/overcast nights it is impossible to see clearly to the front and to the left of the vehicle. At dusk, even though headlight indicator is on, it appears the headlights are off.   Read details...

The Turn Signal problem

Vehicle was being driven on rural state highway containing hills and curves to get serviced for low tires. About 20 minutes into drive the seat heater was turned on. About 5 minutes later the radio, speedometer, tachometer, fuel, temperature gauges and turn signals quit working.   Read details...


Exterior Lighting related problems in other GMC Terrain model year vehicles:



Safety Ratings of Terrain Cars
Fuel Economy of Terrain Vehicles
Terrain Service Bulletins
Terrain Safety Recalls
Terrain Defect Investigations