GMC Terrain: Keys and Locks / Driver Door Key Lock Cylinder Access (In Case of Dead Battery)

GMC Terrain 2018-2024 Owners Manual / Keys, Doors, and Windows / Keys and Locks / Driver Door Key Lock Cylinder Access (In Case of Dead Battery)

GMC Terrain. Battery)

To access the driver door key lock cylinder:

  1. Pull the door handle (1) to the open position and hold it open until cap removal is complete.
  2. Insert the key into the slot (3) on the bottom of the cap (2) and lift the key upward.
  3. Move the cap (2) rearward and remove.
  4. Use the key in the cylinder.

To replace the cap:

  1. Pull the door handle (1) to the open position and hold it open until cap installation is complete.

    GMC Terrain. Battery)

  2. Insert the two tabs (6) at the back of the cap between the seal (5) and the metal base (4).

    GMC Terrain. Battery)

    GMC Terrain. Battery)

  3. Slide the cap forward and press the forward edge to install the cap in place.

  4. Release the door handle.

  5.  Check that the cap is secure.

  6. Free-Turning Locks

  7. The door key lock cylinder turns freely when either the wrong key is used, or the correct key is not fully inserted. The free-turning door lock feature prevents the lock from being forced open. To reset the lock, turn it to the vertical position with the correct key fully inserted. Remove the key and insert it again. If this does not reset the lock, turn the key halfway around in the cylinder and repeat the reset procedure.

    Door Locks

    Warning Unlocked doors can be dangerous. Passengers, especially children, can easily open the doors and fall out of a moving vehicle. The doors can be unlocked and opened while the vehicle is moving...

    Power Door Locks

    : Press to lock the doors. : Press to unlock the doors...

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