GMC Terrain: Vehicle Security - Keys, Doors, and Windows - GMC Terrain Owner's ManualGMC Terrain: Vehicle Security

Manual Operation of Power Liftgate
To change the liftgate to manual operation, turn the mode switch to the OFF position. With the power liftgate disabled and all of the doors unlocked, the liftgate can be manually opened and closed. ...

Vehicle Security
This vehicle has theft-deterrent features; however, they do not make it impossible to steal. ...

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Activating/deactivating airrecirculation mode
You can deactivate the flow of fresh air if unpleasant odors are entering the vehicle from outside. The air already inside the vehicle will then be recirculated. WARNING Fogged windows impair ...

Selecting audible signal operation
Using an electronic chirp, the system will give you an audible signal when the doors lock and unlock. If desired, you may turn the audible signal off. Do the following to deactivate the audible ...

Operating Instructions — Radio Mode
NOTE: The ignition switch must be in the ON or ACC position to operate the radio. Power Switch/Volume Control (Rotary) Push the ON/VOLUME control knob to turn on the radio. Push the ON/VOLUME co ...