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:

    Remote Control Buttons
    POWER: Press to turn the Headrest DVD RSE system on and off. SOURCE: Press to select between Monitor 3, Monitor 4, or AV INPUT. Any video equipment connected to the AV inputs automatically overri ...

    Remote Start Auto Heated Seats
    When on, this feature will turn the heated seats on when using remote start on cold days. Press the MENU/SELECT knob when Remote Start Auto Heated Seats is highlighted. Turn the knob to select On ...

    Tire Messages
    SERVICE TIRE MONITOR SYSTEM This message displays if there is a problem with the Tire Pressure Monitor System (TPMS). See Tire Pressure Monitor Operation for more information. TIRE LEARNING ACT ...