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 Hills
Driving safely on hills requires good judgment and an understanding of what the vehicle can and cannot do. WARNING Many hills are simply too steep for any vehicle. Driving up hills can cause the ...

XM™ Satellite Radio Service
XM Satellite Radio Service gives digital radio reception from coast to coast in the 48 contiguous United States, and in Canada. Just as with FM, tall buildings or hills can interfere with satellite ra ...