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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    Checking engine oil level
    QR25DE engine VQ35DE engine 1. Park the vehicle on a level surface and apply the parking brake. 2. Start the engine and let it idle until it reaches operating temperature. 3. Turn off the ...

    Brake fluid
    Location of the brake fluid reservoir Checking the level The fluid reservoir is concealed under the round cover at the rear of the engine compartment. The round cover must be removed first befor ...

    Cleaning ventilator grille
    Always keep the front ventilator inlet grille free of snow, leaves, or other obstructions to ensure efficient heating and defrosting. Since the condenser is located in front of the radiator, thi ...