See also:

Safety Locks
Safety Locks Press o to activate the safety locks on the rear doors. The LED (A) comes on when activated. The rear door power windows are also disabled. Press o again to deactivate the ...

OnStar®
If equipped, this vehicle has a comprehensive, in-vehicle system that can connect to a live Advisor for Emergency, Security, Navigation, Connection, and Diagnostic Services. See OnStar Overview&nb ...

STEP ON BRAKE TO RELEASE PARK BRAKE
This message is displayed if you attempt to release the electric parking brake without the brake pedal applied. See Parking Brake for more information. ...