Buick LaCrosse: Potential Issues - OnStar Additional Information - OnStar - Buick LaCrosse Owners ManualBuick LaCrosse: Potential Issues

Some OnStar services are disabled after five days. OnStar cannot perform Remote Door Unlock or Stolen Vehicle Assistance after the vehicle has been off continuously for five days. After five days, OnStar can contact Roadside Assistance and a locksmith to help gain access to the vehicle.

    Languages
    The vehicle can be programmed to respond in French or Spanish. Push and ask an Advisor. Advisors can speak French or Spanish. ...

    Global Positioning System (GPS)
    • Obstruction of the GPS can occur in a large city with tall buildings; in parking garages; around airports; in tunnels, underpasses, or parking garages; or in an area with very dense tr ...

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    Materials Added To Engine Oils
    Do not add any supplemental materials, other than leak detection dyes, to your engine oil. Engine oil is an engineered product and it’s performance may be impaired by supplemental additives. ...

    Owner's Manual/Service Manual order information
    A genuine NISSAN Service Manual is the best source of service and repair information for your vehicle. Filled with wiring diagrams, illustrations and step-by-step diagnostic and adjustment procedu ...

    Stopping the engine
    WARNING Do not stop the engine when the vehicle is moving. This will cause loss of power to the power steering and the brake booster, making steering and braking more difficult. It could also res ...