Turn-by-Turn Navigation

1. Push Advisor. to connect to a live Advisor.

2. Request directions.

3. Directions are downloaded to the vehicle.

4. Follow the voice-guided commands.

    See also:

    Engine Cooling System Messages
    Notice: If you drive the vehicle while the engine is overheating, severe engine damage may occur. If an overheat warning appears on the instrument panel cluster and/or DIC, stop the vehicle as soo ...

    Engine Drive Belt Routing
    If the vehicle is a hybrid, see the hybrid supplement for more information. ...

    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 v ...