OnStar®

If equipped, this vehicle has a comprehensive, in-vehicle system that can connect to a live Advisor for Emergency, Security, Navigation, Connection, and Diagnostic Services. See OnStar Overview  .

    See also:

    When to Check and Change Automatic Transmission Fluid
    It is usually not necessary to check the transmission fluid level. The only reason for fluid loss is a transmission leak or overheating the transmission. If a small leak is suspected, then use the ...

    Vehicle Reminder Messages
    ICE POSSIBLE DRIVE WITH CARE This message displays when ice conditions are possible. ...

    Total Weight on the Vehicle's Tires
    Be sure the vehicle's tires are inflated to the upper limit for cold tires. These numbers can be found on the Certification label or see Vehicle Load Limits for more information. Make sure not to go ...