OnStar Services

See also:

Electrical System Overload
The vehicle has fuses and circuit breakers to protect against an electrical system overload. When the current electrical load is too heavy, the circuit breaker opens and closes, protecting the ci ...

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 ...

Express-Down Window
AUTO (Express-down): The driver’s and front passenger’s window switches have an express-down feature that allows you to lower the window without holding the switch down. Press down briefly on ...