OnStar Services

See also:

Engine Oil Change
When the CHANGE ENGINE OIL SOON message displays, have the engine oil and filter changed within the next 1 000 km/600 mi. If driven under the best conditions, the engine oil life system migh ...

Full-Size Spare Tire
If this vehicle came with a full-size spare tire, it was fully inflated when new, however, it can lose air over time. Check the inflation pressure regularly. See Tire Pressure   and Vehi ...

UHP Controls
Use the buttons located on the infotainment system and the steering wheel to operate the UHP system. Steering Wheel Controls Steering wheel controls can be used to: - Answer incoming calls ...