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:

    Engine compartment check locations
    QR25DE engine 1. Power steering fluid reservoir 2. Engine oil filler cap 3. Brake fluid reservoir/Clutch fluid reservoir (M/T model) 4. Air cleaner 5. Fuse block 6. Battery 7. Fuse/Fusible l ...

    Brake fluid level warning
    This light illuminates when the brake fluid level has dropped to near the “MIN” level of the brake fluid reservoir with the ignition switch in the “ON” position and with the parking brake ...

    Battery replacement
    CAUTION: Be careful not to allow children to swallow the battery or removed parts. ...