See also:

Map Coordinates
The coordinates destination entry method lets you select a destination by entering latitude and longitude coordinates. Map Coordinates: Press to access the Coordinates Entry screen. To use the c ...

Roadside Service
U.S.: 1-800-224-1400 Canada: 1-800-882-1112 TTY Users (U.S. only): 1-888-889-2438 Mexico: 01-800-466-0805 As the owner of a new Cadillac, you are automatically enrolled in the Roadside Service p ...

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 ...