Buick LaCrosse: OnStar® - Performance and Maintenance - In Brief - Buick LaCrosse Owners ManualBuick LaCrosse: 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 for more information.

    Roadside Assistance Program
    U.S.: 1-800-252-1112 TTY Users (U.S.): 1-888-889-2438 Canada: 1-800-268-6800 Mexico: 01-800-466-0818 As the owner of a new Buick, you are automatically enrolled in the Roadside Assistance prog ...

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    Heater operation
    Heating This mode is used to direct heated air to the foot outlets. Some air also flows from the defrost outlets and the side vent outlets. 1. Press the button to the OFF position for normal h ...

    Tire Terminology And Definitions
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    How to arm the vehicle security system
    1. Close all windows. (The system can be armed even if the windows are open.) 2. Remove the Intelligent Key from the vehicle. 3. Close all doors, hood and trunk. Lock all doors. The doors can be l ...