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:

    Ending a Call
    Turn or press the MENU/SELECT knob and select Hang Up. ...

    Engine Oil Pressure Gauge
    Metric English For vehicles with an engine oil pressure gauge, it shows the engine oil pressure in kPa (kilopascals) or psi (pounds per square inch) when the engine is running. Oil pres ...

    Older Children
    Older children who have outgrown booster seats should wear the vehicle safety belts. The manufacturer's instructions that come with the booster seat state the weight and height limitations fo ...