GMC Terrain: Bulb Replacement / LED Lighting

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 2018-2024 Owners Manual: Setting the 3/4 Mode

To change the position the liftgate stops at when opening: Select MAX or 3/4 mode and power open the liftgate. Stop the liftgate movement at the desired height by pressing any liftgate switch. Manually adjust the liftgate position if needed...

GMC Terrain 2018-2024 Owners Manual: Memory Seats

If equipped, memory seats allow two drivers to save and recall their unique seat positions for driving the vehicle, and a shared exit position for getting out of the vehicle. Other feature positions may also be saved, such as power mirrors and power steering wheel, if equipped...