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 OnStar Additional Information , and an Advisor can run a check.

    See also:

    Backglass Wiper Blade Replacement
    1. Lift the wiper blade assembly up and out of the park rest position. 2. Pull the wiper blade assembly away from the backglass. The backglass wiper blade will not lock in a vertical position, s ...

    Driving on Snow or Ice
    Drive carefully when there is snow or ice between the tires and the road, creating less traction or grip. Wet ice can occur at about 0°C (32°F) when freezing rain begins to fall, resulting ...

    Where to Put the Restraint
    According to accident statistics, children and infants are safer when properly restrained in a child restraint system or infant restraint system secured in a rear seating position. We recommend ...