OnStar

See also:

How to Add Coolant to the Coolant Surge Tank
WARNING! You can be burned if you spill coolant on hot engine parts. Coolant contains ethylene glycol and it will burn if the engine parts are hot enough. Do not spill coolant on a hot engin ...

Heated Seats
On vehicles with heated seats, the controls are located on the front doors and the ignition must be on to use the feature. : Press to heat the seat and seatback. : Press to heat the seatback ...

Navigation
OnStar navigation requires the Directions and Connections service plan. Push to receive directions or have them sent to the vehicle navigation screen. Destinations can also be forwarded to the v ...