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  .

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    Under the Hood
    The 3.6-liter V-6 produces 254 hp and 252 pounds-feet of torque. Cadillac's 4.6-liter Northstar V-8 generates 320 hp and 315 pounds-feet of torque. The five-speed-automatic transmission incorporat ...

    Wheel Replacement
    Replace any wheel that is bent, cracked, or badly rusted or corroded. If wheel nuts keep coming loose, the wheel, wheel bolts, and wheel nuts should be replaced. If the wheel leaks air, repla ...

    Storing and Deleting Phone Numbers
    The system can store up to 30 phone numbers as name tags in the Hands—Free Directory that is shared between the Bluetooth and OnStar systems. The following commands are used to delete and store ph ...