GMC Terrain: Bulb Replacement / Front Turn Signal Lamps
To replace one of these bulbs:
- Open the hood. See Hood.
- Remove the bulb access cap
from the top of the headlamp
assembly by turning it
counterclockwise.
- Remove the bulb from the bulb socket by pinching the tabs on either side of the bulb and pull straight out.
- Install the new bulb in the bulb socket.
- Install the bulb access cap onto the headlamp assembly by turning clockwise.
LED Lighting
T..
Taillamps
To replace one of these lamps:
Open the liftgate. See Liftgate.
Remove the two screw caps
and two screws from the
taillamp assembly.
Pull the taillamp assembly out
of the vehicle body...
Other information:
GMC Terrain 2018-2025 Owners Manual: Floor Mats
Warning If a floor mat is the wrong size or is not properly installed, it can interfere with the pedals. Interference with the pedals can cause unintended acceleration and/or increased stopping distance which can cause a crash and injury. Make sure the floor mat does not interfere with the pedals...
GMC Terrain 2018-2025 Owners Manual: Lighting Conditions Affecting ACC
The ACC front camera can be affected by poor lighting conditions, and ACC may have limited performance when: There are changes in brightness, such as entering and exiting tunnels, bridges, and overpasses. Low sun angles cause the camera to not detect objects, or it is more difficult to detect objects in the same traffic lane...
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