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:

    Connecting and Controlling a USB Drive
    The infotainment system can only play back .mp3 and .wma files from a USB drive. Only the first 10,000 songs are recognized on the device. When a device is not supported, the message “No supported ...

    Control Buttons (Radio with CD)
    The buttons used to control the CD player are: CD: Press to select the CD player. or : Press to select tracks or to rewind or fast forward within a track. INFO (Information): Press to display a ...

    Remote Trunk Release
    To open the trunk, press on the Remote Keyless Entry (RKE) transmitter. See Remote Keyless Entry (RKE) System Operation  for more information. ...