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 on page 14‑1 for more information.

    See also:

    How to Check Automatic Transmission Fluid
    Because this operation can be a little difficult, it may be best to have this done at the dealer service department. If not taken to the dealer, be sure to follow all the instructions here or a false ...

    Fuel E85 (85% Ethanol)
    Vehicles that have a FlexFuel badge and a yellow fuel cap can use either unleaded gasoline or ethanol fuel containing up to 85% ethanol (E85). For all other vehicles, use only the unleaded gasoline d ...

    How to Check Power Steering Fluid
    Notice: Extremely small amounts of contamination can cause steering system damage and cause it to not work properly. Do not allow contaminants to contact the fluid side of the reservoir cap/dipstick ...