See also:

Buying New Tires
GM has developed and matched specific tires for your vehicle. The original equipment tires installed on your vehicle, when it was new, were designed to meet General Motors Tire Performance Criteri ...

Sunroof
For vehicles with a sunroof, the sunroof only operates when the ignition is in ON/RUN or ACC/ ACCESSORY, or in Retained Accessory Power (RAP). See Retained Accessory Power (RAP)  for more i ...

Storing a Favorite Station
For vehicles with an XM radio, a maximum of 36 stations can be stored as favorites using the six softkeys located below the radio station frequency tabs and by using the radio FAV button. Press ...