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

    See also:

    Delayed Locking
    This feature allows the driver to delay the actual locking of the doors. When the driver power door lock switch is pressed with the key removed from the ignition, and the driver door open, a chi ...

    Checking Coolant
    The engine coolant recovery tank is in the engine compartment on the passenger’s side of the vehicle. The cap has this symbol on it. The vehicle must be on a level surface. When your engine ...

    Programming Transmitters to the Vehicle
    Only RKE transmitters programmed to the vehicle will work. If a transmitter is lost or stolen, a replacement can be purchased and programmed through your dealer/retailer. When the replacement tr ...