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:

Loss of connection
If a loss of connection between the vehicle and the Bluetooth device occurs, a pop-up is displayed. Select Reconnect to automatically restore the connection. A confirmation pop-up will appear befo ...

Canadian Vehicle Owners
Propriétaires Canadiens ► French language copy of this manual can be obtained from your dealer or from: On peut obtenir un exemplaire de ce guide en français auprès du c ...

Fog Lamps
For vehicles with fog lamps, they can be used for better vision in foggy or misty conditions. The parking lamps and/or low-beam headlamps must be on for the fog lamps to work. The fog lamp button ...