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:

    Throttle and Brake Pedal Adjustment
    If the vehicle has this feature, the position of the throttle and brake pedals can be adjusted. The switch used to adjust the pedals is located on the right side of the steering column, below the ...

    Vehicle Security
    This vehicle has theft-deterrent features; however, they do not make it impossible to steal. ...

    Accessories and Modifications
    Adding non–dealer accessories or making modifications to the vehicle can affect vehicle performance and safety, including such things as airbags, braking, stability, ride and handling, emiss ...