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.

    See also:

    Driving for Better Fuel Economy
    Driving habits can affect fuel mileage. Here are some driving tips to get the best fuel economy possible. ► Avoid fast starts and accelerate smoothly. ► Brake gradually and avoid abrupt ...

    Roadside Assistance Program
    U.S.: 1-800-252-1112 TTY Users (U.S.): 1-888-889-2438 Canada: 1-800-268-6800 Mexico: 01-800-466-0818 As the owner of a new Buick, you are automatically enrolled in the Roadside Assistance prog ...

    Finding a Station
    BAND: Press this button to switch between FM1, FM2, AM, or XM1 or XM2 (if equipped). The display shows the selection. TUNE : Turn this knob to select radio stations. SEEK : Press either the ...