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 2018-2025 Owners Manual: How to Reinstall the Engine Air Cleaner/Filter


    Align the air cleaner/filter with the indicated point on the base of the air cleaner/filter housing and install the air cleaner/filter. The outer air cleaner/filter seal must be fitted properly in the air cleaner/filter housing. Align the air cleaner/filter housing cover tabs to the air cleaner/filter housing...

    GMC Terrain 2018-2025 Owners Manual: Safety Locks


    The rear door safety locks prevent passengers from opening the rear doors from inside the vehicle. Manual Safety Locks If equipped, the safety lock is on the inside edge of the rear doors. To use the safety lock: Move the lever down to the lock position...

      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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