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:

    Owner maintenance
    Periodic maintenance requirements and intervals are described in your vehicle's Warranty and Service Records Information booklet. The following points can be carried out between the normally sc ...

    Tires
    Every new GM vehicle has high-quality tires made by a leading tire manufacturer. See the warranty manual for information regarding the tire warranty and where to get service. For additiona ...

    Auto-dimming function
    The auto-dimming function is an anti-glare capability which automatically reduces glare coming from headlights of vehicles behind you. By pressing the power button, the autodimming function is togg ...