See also:

Heated and Ventilated Seats
On vehicles with heated and ventilated seats, the ignition must be on to use the feature. Driver’s Side Buttons shown The buttons are located on the front doors. (Heated Seat Cushion and S ...

Using this Manual
To quickly locate information about the vehicle, use the Index in the back of the manual. It is an alphabetical list of what is in the manual and the page number where it can be found. ...

Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if the v ...