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:

    Programming Universal Home Remote
    Follow these steps to program up to three channels: 1. Press and hold down the two outside Universal Home Remote buttons, releasing only when the Universal Home Remote indicator light begins to ...

    Your Responsibility
    You may need to increase the volume of your radio to hear the OnStar® advisor. If the light next to the OnStar® buttons is red, this means that your system is not functioning properly and should ...

    Audio Steering Wheel Controls
    If your vehicle has this feature, some audio functions can be adjusted at the steering wheel. They include the following: (OnStar®/Mute): If your vehicle has OnStar, press this button to i ...