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:

    7,500 miles (12,000 km) or 6 months
    Inspect air cleaner filter Inspect vacuum hose Replace engine oil and filter (7,500 miles (12,000 km) or 12 months) ...

    Random
    This function plays the audio files on the external device in random order (shuffle). This function can be activated/deactivated under: Bluetooth menu - Random Press the buttons on the center c ...

    Checking the fluid level when the fluid is cold
    When the fluid level has to be checked without time to warm up the automatic transmission, check to see that the fluid level is between the lower level and upper level on the “COLD” range. If ...