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 veh ...

OnStar Additional Information

Transferring Service Push to request account transfer eligibility information. The Advisor can assist in canceling or removing account information. If OnStar receives information that vehicle owne ...

See also:

Deselecting valet mode
When you enter the vehicle, touch the Valet button to view the Valet mode screen. Enter your 4 digit PIN and touch the OK button. Valet mode deactivated is displayed to indicate that your PIN has ...

System components
Rear displays CAUTION ► The glass screen on the liquid crystal display may break if hit with a hard or sharp object. If the glass breaks, do not touch the liquid crystalline material. ...

Extra features
There are more features available than can be displayed at one time. This menu allows the selected features to be displayed, for example: • Ambient lighting: While the headlamps are turned on, se ...