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:

    Battery Replacement
    To change the batteries, do the following: 1. Remove the battery compartment door located on the bottom of the remote control. 2. Replace the two AA batteries in the compartment. Make sure that ...

    Playing a CD or DVD-A Disc
    Press the MEM/DVD/AUX button if there is a disc in the player. It begins playing. Information about the disc and current track is shown on the display depending on the data stored. Selectin ...

    Using the Directory Command
    The directory command lists all of the name tags stored by the system. To use the directory command: 1. Press . ► For vehicles without a navigation system, the system responds “Ready,” f ...