GMC Terrain: Keys and Locks / 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. The chance of being thrown out of the vehicle in a crash is increased if the doors are not locked. So, all passengers should wear seat belts properly and the doors should be locked whenever the vehicle is driven.
  • Young children who get into unlocked vehicles may be unable to get out. A child can be overcome by extreme heat and can suffer permanent injuries or even death from heat stroke. Always lock the vehicle whenever leaving it.
  • Outsiders can easily enter through an unlocked door when you slow down or stop the vehicle. Locking the doors can help prevent this from happening.

To lock or unlock the door from outside the vehicle:

  • Press GMC Terrain. Door Locks or GMC Terrain. Door Locks on the Remote Keyless Entry (RKE) transmitter. See Remote Keyless Entry (RKE) System Operation.
  • Use the key in the driver door. The key cylinder is covered with a cap.

To lock or unlock the door from inside the vehicle:

  • Press GMC Terrain. Door Locks or GMC Terrain. Door Locks on the power door lock switch.
  • Push down on a door lock knob to lock a door.
  • Pull the door handle once to unlock the door. Pull the handle again to unlatch it.

Keyless Access

GMC Terrain. Door Locks

If equipped, the RKE transmitter must be within 1 m (3 ft) of the liftgate or door being opened. Press the button on the door handle to open. See “Keyless Access Operation” in Remote Keyless Entry (RKE) System Operation.

    Remote Vehicle Start

    If equipped, this feature allows you to start the engine from outside the vehicle. : This button will be on the RKE transmitter if the vehicle has remote start...

    Driver Door Key Lock Cylinder Access (In Case of Dead Battery)

    To access the driver door key lock cylinder: Pull the door handle (1) to the open position and hold it open until cap removal is complete. Insert the key into the slot (3) on the bottom of the cap (2) and lift the key upward...

    Other information:

    GMC Terrain 2018-2026 Owners Manual: Exterior Care


    Locks Locks are lubricated at the factory. Use a de-icing agent only when absolutely necessary, and have the locks greased after using. See Recommended Fluids and Lubricants. Washing the Vehicle To preserve the vehicle's finish, wash it often and out of direct sunlight...

    GMC Terrain 2018-2026 Owners Manual: Driver Assistance Systems


    This vehicle may have features that work together to help avoid crashes or reduce crash damage while driving, backing, and parking. Read this entire section before using these systems. Warning Do not rely on the Driver Assistance Systems. These systems do not replace the need for paying attention and driving safely...

      Categories

      Engine Overheating

      The vehicle has an engine coolant temperature gauge on the instrument cluster and overheat messages in the Driver Information Center (DIC) to warn of engine overheating. See Engine Coolant Temperature Gauge.

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