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 an Advisor can run a check., and an Advisor can run a check.

    See also:

    Passing
    More passing distance is needed when towing a trailer. Because the rig is longer, it is necessary to go much farther beyond the passed vehicle before returning to the lane. ...

    SBZA Detection Zones
    The SBZA sensor covers a zone of approximately one lane over from both sides of the vehicle, 3.5m (11 ft). This zone starts at each side mirror and goes back approximately 5.0m(16 ft). The heigh ...

    Parking over Things That Burn
    WARNING Things that can burn could touch hot exhaust parts under the vehicle and ignite. Do not park over papers, leaves, dry grass, or other things that can burn. ...