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

    See also:

    Power Outlets
    The accessory power outlets can be used to plug in electrical equipment, such as a cell phone or MP3 player. The vehicle has three accessory power outlets located: Inside the floor console stor ...

    SERVICE BRAKE ASSIST
    This message displays if there is a problem with the brake system. The brake system warning light and the antilock brake system (ABS) warning light may also display on the instrument panel cl ...

    Doing Your Own Service Work
    If the vehicle is a hybrid, see the hybrid supplement for more information. WARNING It can be dangerous to work on your vehicle if you do not have the proper knowledge, service manual, tools, ...