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:

Instrument panel
1. Tachometer. 2. Clock. 3. Message center. 4. External temperature. 5. Speedometer. 6. Fuel gauge: NOTICE Never allow the engine to run out of fuel. The resultant misfire can seriousl ...

4WD shift indicator
The 4WD shift indicator is displayed in the vehicle information display. The indicator should turn off within 1 second after placing the ignition switch in the ON position. While the engin ...

Seat belts with pretensioners (front seats)
WARNING ► The pretensioners cannot be reused after activation. They must be replaced together with the retractor and buckle as a unit. ► If the vehicle becomes involved in a c ...