GMC Terrain: Keys and Locks / Safety Locks

The rear door safety locks prevent passengers from opening the rear doors from inside the vehicle.

Manual Safety Locks

GMC Terrain. Safety Locks

If equipped, the safety lock is on the inside edge of the rear doors. To use the safety lock:

  1. Move the lever down to the lock position.
  2. Close the door.
  3. Do the same for the other rear door.

To open a rear door when the safety lock is on:

  1. Unlock the door by activating the inside handle, by pressing the power door lock switch, or by using the Remote Keyless Entry (RKE) transmitter.
  2. Open the door from the outside.

When the safety lock is enabled, adults and older children will not be able to open the rear door from the inside. Cancel the safety locks to enable the doors to open from the inside.

To cancel the safety lock:

  1. Unlock the door and open it from the outside.
  2. Move the lever up to unlock. Do the same for the other door.

    Lockout Protection

    If the ignition is on or in ACC/ ACCESSORY and the power door lock switch is pressed with the driver door open, all the doors will lock and only the driver door will unlock...

    Doors

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    Other information:

    GMC Terrain 2018-2024 Owners Manual: Older Children


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