Buick LaCrosse: When the Light Flashes First and 
Then Is On Steady - Tire Pressure Light - Warning Lights, Gauges, and Indicators - Instruments and Controls - Buick LaCrosse Owners ManualBuick LaCrosse: When the Light Flashes First and Then Is On Steady

If the light flashes for about a minute and then stays on, there may be a problem with the TPMS. If the problem is not corrected, the light will come on at every ignition cycle.

See Tire Pressure Monitor Operation for more information.

    When the Light Is On Steady
    This indicates that one or more of the tires are significantly underinflated. A Driver Information Center (DIC) tire pressure message may also display. See Vehicle Messages for more informati ...

    Engine Oil Pressure Light
    WARNING! Do not keep driving if the oil pressure is low. The engine can become so hot that it catches fire. Someone could be burned. Check the oil as soon as possible and have the vehicle se ...

    See also:

    PTY (Program type) group tuning (only FM reception)
    Press the “PTY/CAT” button to change to the PTY selection mode. At this time, the PTY group that you are currently listening to will be displayed for 10 seconds. In PTY selection mode, “PT ...

    If the tire pressure warning system is not functioning (vehicles with a tire pressure warning system)
    The tire pressure warning system will be disabled in the following conditions: (When the condition becomes normal, the system will work properly.) ●If tires not equipped with tire pressure w ...

    Raising the vehicle
    WARNING When jacking up the vehicle, only use the jack which has been specifically approved by Mercedes-Benz for your vehicle. The jack is designed exclusively for jacking up the vehicle a ...