OnStar Services

See also:

Express-Down/Up Windows
Windows that have the express—down/up feature allow the windows to be lowered and raised fully without holding the window switch. Press the window switch fully and release it to activate the express ...

Parking on Hills
WARNING Parking the vehicle on a hill with the trailer attached can be dangerous. If something goes wrong, the rig could start to move. People can be injured, and both the vehicle and the tr ...

Safety Locks (Sedan and Wagon)
The vehicle has rear door security locks. These prevent passengers from opening the rear doors from the inside. Lock Label shown The rear door security locks are located on the inside edge ...