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:

    Control buttons
    The control buttons for the Bluetooth Hands- Free Phone System are located on the steering wheel. PHONE/SEND Press the   button to initiate a VR session or answer an incoming call. Y ...

    Interface Dial
    Most audio system functions can still be controlled by standard buttons, dials, and knobs, but some functions can only be accessed using the interface dial. The interface dial has two parts, ...

    When the outside temperature falls to nearly 32°F (0°C)
    The dehumidification function may not operate even when is pressed. ...