OnStar Services

See also:

Horn
Press near the horn symbols or press on the steering wheel pad to sound the horn. ...

Door Locks
To lock or unlock the doors: • From inside the vehicle, use the door lock knob or the power door lock controls, pull once on the door handle to unlock it, and a second time to open it. • ...

Fuel Additives
To provide cleaner air, all gasolines in the United States are now required to contain additives that help prevent engine and fuel system deposits from forming, allowing the emission control system to ...