Service Only Mode

This power mode is available for service and diagnostics, and to verify the proper operation of the malfunction indicator lamp as may be required for emission inspection purposes. With the vehicle off, and the brake pedal not applied, pressing and holding the button for more than five seconds will place the vehicle in Service Only Mode. The instruments and audio systems will operate as they do in ON/RUN, but the vehicle will not be able to be driven. The engine will not start in Service Only Mode. Push the button again to turn the vehicle off.

    See also:

    Speedometer and Odometer
    The speedometer shows the vehicle speed in both miles per hour (mph) and kilometers per hour (km/h). The odometer shows how far the vehicle has been driven, in either miles or kilometers. This ...

    Ultrasonic Parking Assist
    For vehicles with this feature, it uses sensors on the rear bumper to detect objects while parking the vehicle. It operates at speeds less than 8 km/h (5 mph) while in R (Reverse). URPA uses aud ...

    Roadside Assistance Program
    In the U.S. call 1-800-252-1112. In Canada call 1-800-268-6800. Service available 24 hours a day, 365 days a year. As the proud owner of a new Buick vehicle, you are automatically enrolled in th ...