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:

    TEHAMA™ Leather
    The leather surface on the seat was not designed to be aggressively cleaned using any commercial product. Use a well wrung cloth dampened with water to remove dust. Do not use a wet cloth or satur ...

    Passenger Sensing System
    The passenger sensing system, if equipped, turns off the front outboard passenger frontal airbag under certain conditions. No other airbag is affected by the passenger sensing system. If the vehi ...

    Adding Equipment to the Airbag-Equipped Vehicle
    Q: Is there anything I might add to or change about the vehicle that could keep the airbags from working properly? A: Yes. If you add things that change the vehicle's frame, bumper system, ...