GMC Terrain Quiz
Keys, Doors and Windows

Safety Locks

In this manual: Keys, Doors and Windows
Introduction — 1In Brief — 46Keys, Doors and Windows — 37Seats and Restraints — 60Storage — 6Instruments and Controls — 58Lighting — 16Infotainment System — 1Climate Control — 8Driving and Operation — 128Vehicle Care — 75Service and Maintenance — 8Technical Data — 5Customer Information — 18OnStar — 6Connected Services — 4
7steps
~42min
2/5difficulty
Done 0 of 7

Rear door child safety locks prevent passengers from opening the rear door from inside the vehicle.

Manual Child Safety Locks

GMC Terrain. Safety Locks

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

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

To open the rear door when the child safety lock is engaged:

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

When the child safety lock is engaged, adults and older children will not be able to open the rear door from the inside. Disengage the child safety locks to allow the doors to be opened from the inside.

To disengage the child safety lock:

  1. Open the door from the outside.
  2. Move the lever up to unlock. Do the same for the other door.

Test yourself

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