See also:

Using the System
When the driver shifts the vehicle into R (Reverse), the video image automatically appears on the navigation screen, or on the inside rearview mirror. Once the driver shifts out of R (Revers ...

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 ...

Setting the Clock
The navigation system time and the analog clock operate independently. Changing the time through the navigation system does not change the time on the analog clock. See Clock   to change ...