Buick LaCrosse: Overheated Engine Protection Operating Mode - Vehicle Checks - Vehicle Care - Buick LaCrosse Owners ManualBuick LaCrosse: Overheated Engine Protection Operating Mode

This emergency operating mode allows the vehicle to be driven to a safe place in an emergency situation. If an overheated engine condition exists, an overheat protection mode which alternates firing groups of cylinders helps prevent engine damage. In this mode, there is significant loss in power and engine performance.

2.4L L4 Engine

The engine coolant temperature warning light comes on the instrument panel, to indicate the vehicle has entered overheated engine protection operating mode.

Driving extended distances and/or towing a trailer in the overheat protection mode should be avoided.

3.6L V6 Engine

The engine coolant temperature warning light comes on the instrument panel, to indicate the vehicle has entered overheated engine protection operating mode.

The temperature gauge also indicates an overheat condition exists. Driving extended distances and/or towing a trailer in the overheat protection mode should be avoided.

    3.6L V6 Engine
    If the temperature overheat gauge is no longer in the overheat zone or an engine coolant temperature warning light no longer displays, the vehicle can be driven. Continue to drive the vehicl ...

    Power Steering Fluid (2.4L L4 Engine)
    The vehicle has electric power steering and does not use power steering fluid. ...

    See also:

    Rear window defroster switch
    For more information about the rear window defroster switch, see “Rear window and outside mirror defroster switch” in the “Instruments and controls” section of this manual. ...

    Auto Heated Seats
    If equipped and turned on, this feature will automatically activate heated seats at the level required by the interior temperature. The auto heated seats can be turned off by using the heate ...

    Limitations
    Strong sunlight, reflections, extreme light contrasts, the use of sunglasses, or if the driver is not looking straight ahead may make the visual warning signal in the windshield difficult to see. ...