Buick LaCrosse: Vehicle and Power Issues - OnStar Additional Information - OnStar - Buick LaCrosse Owners ManualBuick LaCrosse: Vehicle and Power Issues

OnStar services require a vehicle electrical system, wireless service, and GPS satellite technologies to be available and operating for features to function properly. These systems may not operate if the battery is discharged or disconnected.

    Unable to Connect to OnStar Message
    If there is limited cellular coverage or the cellular network has reached maximum capacity, this message may come on. Push to try the call again or try again after driving a few miles into ...

    Add-on Electrical Equipment
    The OnStar system is integrated into the electrical architecture of the vehicle. Do not add any electrical equipment. See Add-On Electrical Equipment. Added electrical equipment may interfer ...

    See also:

    If the tire pressure warning light frequently comes on after blinking for 1 minute (vehicles with a tire pressure warning system)
    If the tire pressure warning light frequently comes on after blinking for 1 minute when the engine switch (vehicles without a smart key system) or the “ENGINE START STOP” switch (vehicles with ...

    Tire equipment
    1. SUMMER tires have a tread designed to provide superior performance on dry pavement. However, the performance of these tires will be substantially reduced in snowy and icy conditions. If you ope ...

    Vehicle security system
    The vehicle security system provides visual and audible alarm signals if someone opens the doors or trunk lid when the system is armed. It is not, however, a motion detection type system that acti ...