See also:

Automatic Door Locks
For vehicles with an automatic transmission, the doors will lock automatically when all doors are closed, the ignition is on, and the shift lever is moved out of P (Park). The doors will auto ...

Security
OnStar provides services like Stolen Vehicle Assistance, Remote Ignition Block, and Roadside Assistance, if the vehicle is equipped with these services. OnStar can unlock the vehicle doors r ...

RELEASE PARK BRAKE SWITCH
For vehicles with the electric parking brake, this message displays if the switch is pulled while the vehicle is moving. See the electric parking brake information under Parking Brake (Elect ...