See also:

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 ...

Servicing the Airbag-Equipped Vehicle
Airbags affect how the vehicle should be serviced. There are parts of the airbag system in several places around the vehicle. Your dealer and the service manual have information about servici ...

Map Data Updates
The navigation map database is stored on a compact flash card. It is usable only in this type of navigation system, and will not function in other electronic devices. The map in the vehicle was ins ...