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:

Automatic Transmission Fluid
It is not necessary to check the transmission fluid level. ► transmission fluid leak is the only reason for fluid loss. If a leak occurs, take the vehicle to the dealer and have it repaired a ...

Using the trip computer
A short press (1 second or less) or a series of short presses of the i button will change the trip computer display. The options available are: • Date and Odometer. • Trip distance. †...

Reporting Safety Defects to the Canadian Government
If you live in Canada, and you believe that the vehicle has a safety defect, notify Transport Canada immediately, and notify General Motors of Canada Limited. Call Transport Canada at 1-800-333-0510 ...