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.

    See also:

    Reactivation for Subsequent Owners
    Push and follow the prompts to speak to an Advisor as soon as possible after acquiring the vehicle. The Advisor will update vehicle records and will explain the OnStar service offers and opt ...

    Front Fog Lamp Light
    For vehicles with fog lamps, this light comes on when the fog lamps are on. The light goes out when the fog lamps are turned off. See Fog Lamps for more information. ...

    Design story
    The Buick Regal's sleek design blends the sweeping silhouette and proportions of a coupe in a progressive package that suggests motion from all angles. Great attention to detail complements that a ...