Brake Adjustment

Every time the brakes are applied, with or without the vehicle moving, the brakes adjust for wear.

    See also:

    Charging System Light
    The charging system light comes on briefly when the ignition is turned on, but the engine is not running, as a check to show the light is working. The light turns off when the engine is started. If ...

    Outside Heated Mirrors
    For vehicles with heated mirrors: (Rear Window Defogger): Press to heat the mirrors. See “Rear Window Defogger” under Climate Control System or Dual Automatic Climate Control System for ...

    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 ...