See also:

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 ...

Driving On Grades
Reduce speed and shift to a lower gear before you start down a long or steep downgrade. If you don’t shift down, you might have to use your brakes so much that they would get hot and no longer w ...

Satellite Radio
Vehicles with an XM™ satellite radio tuner and a valid XM satellite radio subscription can receive XM programming. XM Satellite Radio Service XM is a satellite radio service based in the 4 ...