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 2018-2023 Owners Manual: Tow/Haul Mode


    For information on the Tow/Haul Mode, see Driver Mode Control. Automatic Engine Grade Braking Automatic Engine Grade Braking assists when driving downhill. It maintains vehicle speed by automatically implementing a shift pattern that uses the engine and the transmission to slow the vehicle...

    GMC Terrain 2018-2023 Owners Manual: Service Exhaust Fluid System


    If a problem occurs with the DEF system, the DIC message SERVICE EXHAUST FLUID SYSTEM - SEE OWNERS MANUAL NOW – 160 KM (99 MI) UNTIL 104 KM/H (65 MPH) MAX SPEED displays. The displayed mileage will decrease as driving continues. A warning light also comes on...

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