OnStar

See also:

California Fuel
If your vehicle is certified to meet California Emissions Standards, it is designed to operate on fuels that meet California specifications. See the underhood emission control label. If this f ...

Lockout Protection
This feature stops the power door locks from locking when the key is in the ignition and a door is open to protect you from locking your key in the vehicle. If the power lock switch is pressed w ...

Scheduled Maintenance
When the CHANGE ENGINE OIL DIC message comes on, it means that service is required for your vehicle. Have your vehicle serviced as soon as possible within the next 600 miles (1 000 km). It is poss ...