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 OnStar Additional Information , and an Advisor can run a check.

    See also:

    Washer Fluid Messages
    WASHER FLUID LOW ADD FLUID This message may display when the washer fluid level is low. For information on filling the washer fluid, see Washer Fluid . ...

    Time Shifting (Radio with CD/DVD and MEM)
    The radio with MEM time shift feature can rewind 20 minutes of FM/AM content. While listening to the radio, the content from the current station is always being buffered. Press to pause th ...

    Protecting Exterior Bright Metal Parts
    Bright metal parts should be cleaned regularly to keep their luster. Wash with water or use chrome polish on chrome or stainless steel trim, if necessary. Use special care with aluminum trim. To avoi ...