GMC Terrain: Bulb Replacement / Front Turn Signal Lamps

To replace one of these bulbs:

  1. Open the hood. See Hood.

    GMC Terrain. Front Turn Signal Lamps

  2. Remove the bulb access cap from the top of the headlamp assembly by turning it counterclockwise.

    GMC Terrain. Front Turn Signal Lamps

  3. Remove the bulb from the bulb socket by pinching the tabs on either side of the bulb and pull straight out.
  4. Install the new bulb in the bulb socket.
  5. Install the bulb access cap onto the headlamp assembly by turning clockwise.

    LED Lighting

    T..

    Taillamps

    To replace one of these lamps: Open the liftgate. See Liftgate. Remove the two screw caps and two screws from the taillamp assembly. Pull the taillamp assembly out of the vehicle body...

    Other information:

    GMC Terrain 2018-2026 Owners Manual: Instrument Panel


    Air Vents Turn Signal Lever. See Turn and Lane-Change Signals. IntelliBeam System Button (If Equipped). See Exterior Lamp Controls. Instrument Cluster (Base and Midlevel) or Instrument Cluster (Uplevel).Driver Information Center (DIC) Display. See Driver Information Center (DIC) (Base and Midlevel)  or Driver Information Center (DIC) (Uplevel)...

    GMC Terrain 2018-2026 Owners Manual: Setting Adaptive Cruise Control


    If is on when not in use, SET–/ RES+ could be pressed by mistake and engage ACC when not desired. Keep off when cruise is not being used. Select the set speed desired for ACC. This is the vehicle speed when no vehicle is detected in your path...

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