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 ...

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    Display in the instrument cluster
    The collision warning can be issued in the instrument cluster, in the Head-up Display, and acoustically. Warning stages Adapting your speed and driving style The display does not relieve the ...

    Adjustment
    Adjust the head restraint so the center is level with the center of the seat occupant’s ears. To raise the head restraint, pull it up. To lower, push and hold the lock knob and push the he ...

    Front passenger’s power window switch
    The passenger’s window switch operates only the corresponding passenger’s window. To open the window, push the switch to the first detent and continue to hold it down until the desired windo ...