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 2018-2026 Owners Manual: Weather Conditions Affecting ACC
If the interior temperature is extremely high, the instrument cluster may indicate that ACC is temporarily unavailable. This can be caused by extreme hot weather conditions with direct sunlight on the front camera. ACC will return to normal operation once the cabin temperature is lower...
GMC Terrain 2018-2026 Owners Manual: OnStar Overview
Voice Command Button Blue OnStar Button Red Emergency Button This vehicle may be equipped with a comprehensive, in-vehicle system that can connect to an OnStar Advisor for Emergency, Security, Navigation, Connections, and Diagnostics Services...
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