GMC Terrain: Bulb Replacement / High Intensity Discharge (HID) Lighting

GMC Terrain 2018-2025 Owners Manual / Vehicle Care / Bulb Replacement / 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. Have your dealer or a qualified technician service them.

After an HID headlamp bulb has been replaced, the beam might be a slightly different shade than it was originally. This is normal.

Bulb Replacement

For the proper type of replacement bulbs, or any bulb changing procedure not listed in this section, contact your dealer. Caution Do not replace incandescent bulbs with aftermarket LED replacement bulbs...

LED Lighting

This vehicle has several LED lamps. For replacement of any LED lighting assembly, contact your dealer...

Other information:

GMC Terrain 2018-2025 Owners Manual: Malfunction Indicator Lamp (Check Engine Light)

This light is part of the vehicle’s emission control on-board diagnostic system. If this light is on while the engine is running, a malfunction has been detected and the vehicle may require service. The light should come on to show that it is working when the ignition is in Service Mode. See Ignition Positions. This light may also come on when the system has detected a problem with th..

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