GMC Terrain: Bulb Replacement / Taillamps

To replace one of these lamps:

  1. Open the liftgate. See Liftgate.

    GMC Terrain. Taillamps

  2. Remove the two screw caps and two screws from the taillamp assembly.
  3. Pull the taillamp assembly out of the vehicle body.
  4. Disconnect the lamp wiring harness.

    GMC Terrain. Taillamps

  5. Turn the bulb socket counterclockwise and pull it out.
  6. Pull the bulb straight out of the socket.
  7. Push the replacement bulb straight into the bulb socket.
  8. Push the bulb socket in and turn it clockwise.
  9. Reverse Steps 2–5 to reinstall the lamp assembly.

    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...

    License Plate Lamp

    Lamp Assembly Bulb Assembly Bulb Socket Bulb Lamp Assembly To replace one of these bulbs: Open the liftgate partway. See Liftgate. Push the lamp assembly outboard to remove...

    Other information:

    GMC Terrain 2018-2024 Owners Manual: Driver Information Center (DIC) (Base and Midlevel)


    The DIC displays are shown in the center of the instrument cluster in the Info app. See Instrument Cluster (Base and Midlevel) or Instrument Cluster (Uplevel). The displays show the status of many vehicle systems. The controls for the DIC are on the right steering wheel control...

    GMC Terrain 2018-2024 Owners Manual: Engine Oil Pressure Light


    Caution Lack of proper engine oil maintenance can damage the engine. Driving with the engine oil low can also damage the engine. The repairs would not be covered by the vehicle warranty. Check the oil level as soon as possible. Add oil if required, but if the oil level is within the operating range and the oil pressure is still low, have the vehicle serviced...

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