GMC Terrain: Bulb Replacement / LED Lighting
This vehicle has several LED lamps. For replacement of any LED lighting assembly, contact your dealer.
High Intensity Discharge (HID) Lighting
Warning
The High Intensity Discharge
(HID) lighting system operates at
a very high voltage. If you try to
service any of the system
components, you could be
seriously injured...
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...
Other information:
GMC Terrain 2018-2025 Owners Manual: Traction Off Light
This light comes on briefly while starting the engine. If it does not, have the vehicle serviced by your dealer. If the system is working normally, the indicator light then turns off. The traction off light comes on when the Traction Control System (TCS) has been turned off through the Driver Information Center (DIC)...
GMC Terrain 2018-2025 Owners Manual: OnStar Additional Information
In-Vehicle Audio Messages Audio messages may play important information at the following times: Prior to vehicle purchase. Press to set up an account. After change in ownership and at 90 days. Transferring Service Press to request account transfer eligibility information...
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