Keys, Doors and Windows

Door Locks

~1min read
  • Passengers, especially children, can easily open the doors and fall out of a moving vehicle. Doors can be unlocked and opened while the vehicle is moving. The chance of being thrown from the vehicle in a crash increases if the doors are not locked. Therefore, all passengers should wear seat belts properly and doors should be locked whenever the vehicle is driven.
  • Small children who get into unlocked vehicles may not be able to get out. A child can be overcome by strong heat and suffer permanent injury or even death from heat stroke. Always lock the vehicle whenever you leave it.
  • Intruders 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:

  • PressGMC Terrain. Door LocksorGMC Terrain. Door LocksUse 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 by a cap.

To lock or unlock the door from inside the vehicle:

  • PressGMC Terrain. Door LocksorGMC Terrain. Door LocksUse the power door lock switch.
  • Press the door lock knob to lock the door.
  • Pull the door handle once to unlock the door. Pull the handle again to unlock it fully.

Keyless Access

GMC Terrain. Door Locks

With the RKE transmitter within 1 m (3 ft) of the liftgate or door, press the button on the door handle to open it. See "Keyless Access Operation" in Remote Keyless Entry (RKE) System Operation.

Test yourself

A quick GMC Terrain quiz: every answer comes with an explanation and a link to the manual page.