GMC Terrain: Keys and Locks / Automatic Door Locks

The doors will lock automatically when all doors are closed, the ignition is on, and the vehicle is shifted out of P (Park).

If a vehicle door is unlocked and then opened and closed, the doors will lock either when your foot is removed from the brake or the vehicle speed becomes faster than 13 km/h (8 mph).

To unlock the doors:

  • Press GMC Terrain. Automatic Door Locks on the power door lock switch.
  • Shift into P (Park).

Automatic door locking cannot be disabled. Automatic door unlocking can be programmed. See Vehicle Personalization.

    Delayed Locking

    This feature delays the actual locking of the doors until five seconds after all doors are closed. Delayed locking can only be turned on when the Open Door Anti-Lockout feature has been turned off...

    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...

    Other information:

    GMC Terrain 2018-2026 Owners Manual: Entry/Exit lighting


    Entry Lighting Some exterior lamps and interior lamps turn on briefly at night, or in areas with limited lighting, when is pressed on the Remote Keyless Entry (RKE) transmitter. When a door is opened, the interior lamps come on. They stay on for about 20 seconds...

    GMC Terrain 2018-2026 Owners Manual: Hill Descent Control Light and Lane Keep Assist (LKA) Light


    Hill Descent Control Light If equipped, the Hill Descent Control light comes on when the system is ready for use. When the light flashes, the system is active. See Hill Descent Control (HDC). Lane Keep Assist (LKA) Light If equipped, this light is green if LKA is available to assist...

      Categories

      Vehicle Messages

      Messages displayed on the DIC indicate the status of the vehicle or some action that may be needed to correct a condition. Multiple messages may appear one after another.

      The messages that do not require immediate action can be acknowledged and cleared by pressing V. The messages that require immediate action cannot be cleared until that action is performed.

      read more

       
    Copyright © 2026 www.gmcterrain2.com