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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    Voice Command
    • For best performance, adjust the rearview mirror to provide at least 1⁄2 in (1 cm) gap between the overhead console (if equipped) and the mirror. • Always wait for the beep before spe ...

    Brake hoses and lines
    Visually check for proper installation, chafing, cracks, deterioration and any leakage. Replace any deteriorated or damaged parts immediately. ...

    Tire Pressure Monitoring Low Pressure Warnings
    The “Tire Pressure Monitoring Telltale Light” will illuminate in the instrument cluster, a LOW TIRE message will be displayed for a minimum of five seconds and a chime will sound when tir ...