Owner Checks and Services
At Each Fuel Stop
- Check the engine oil level.
See Engine Oil.
Once a Month
- Check the tire inflation pressures. See Tire Pressure.
- Inspect the tires for wear.
See Tire Inspection.
- Check the windshield washer fluid level. See Washer Fluid.
See also:
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 own ...
Trailer Towing
(CTS-V and Coupe)
The vehicle is neither designed nor
intended to tow a trailer. ...
Drive Systems
All-Wheel Drive
Vehicles with this feature always send engine power to all four wheels. It
is fully automatic, and adjusts itself as needed for road conditions.
When using a compact spare tire ...






