Buick LaCrosse: A/C OFF DUE TO HIGH 
ENGINE TEMP - Engine Cooling System Messages - Vehicle Messages - Instruments and Controls - Buick LaCrosse Owners ManualBuick LaCrosse: A/C OFF DUE TO HIGH ENGINE TEMP

This message displays when the engine coolant becomes hotter than the normal operating temperature.

To avoid added strain on a hot engine, the air conditioning compressor automatically turns off.

When the coolant temperature returns to normal, the air conditioning compressor turns back on. You can continue to drive the vehicle.

If this message continues to appear, have the system repaired by your dealer as soon as possible to avoid damage to the engine.

    COOLANT LEVEL LOW ADD COOLANT
    This message will display if the coolant is low. See Engine Coolant. ...

    See also:

    Battery-saving function
    The battery-saving function will be activated in order to prevent the electronic key battery and the vehicle battery from being discharged while the vehicle is not in operation for a long time. ...

    Turn signal
    Using turn signals Using turn signals Press the lever beyond the resistance point. To switch off manually, press the lever to the resistance point. Unusually rapid flashing of the indicator la ...

    Activating/deactivating
    console activates the hands-free system. The symbol in the display indicates that the hands-free system is active. A long press on the TEL button deactivates the hands-free system and disconnects ...