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 vehicle is equipped with the Tire Pressure Monitoring System. If a diagnostics check is needed between e-mails, push Advisor can run a check., and an Advisor can run a check.

    See also:

    Outlet Adjustment
    Use the levers, located in the middle of the front outlets, to change the direction of the airflow. Use the thumbwheel located between the outlets to turn them on and off. If the vehicle has re ...

    Exit Lighting
    This allows selection of how long the exterior lamps stay on when leaving the vehicle and it is dark outside. Press SELECT when Exit Lighting is highlighted. Turn the Menu knob to select Of ...

    Sun Visors
    Pull the visor toward you, or move to the side to help reduce glare. On vehicles with a lighted vanity mirror, lift the attached cover to use. ...