Buick LaCrosse: To Use the Engine Coolant Heater - Engine Heater - Starting and Operating - Driving and Operating - Buick LaCrosse Owners ManualBuick LaCrosse: To Use the Engine Coolant Heater

1. Turn off the engine.

2. Open the hood and unwrap the electrical cord.

3.6L V6 Engine
3.6L V6 Engine

The electrical cord is located on the driver side of the engine compartment, between the fender and the engine compartment fuse block on vehicles with a six cylinder engine.

2.4L L4 Engine
2.4L L4 Engine

The electrical cord is located on the passenger side of the engine compartment, between the fender and the air cleaner on vehicles with a four cylinder engine.

3. Plug it into a normal, grounded 110-volt AC outlet.

WARNING!
Plugging the cord into an ungrounded outlet could cause an electrical shock. Also, the wrong kind of extension cord could overheat and cause a fire. You could be seriously injured. Plug the cord into a properly grounded three-prong 110-volt AC outlet.
If the cord will not reach, use a heavy-duty three-prong extension cord rated for at least 15 amps.

4. Before starting the engine, be sure to unplug and store the cord as it was before to keep it away from moving engine parts.

The length of time the heater should remain plugged in depends on several factors. Ask a dealer in the area where you will be parking the vehicle for the best advice on this.

    Engine Heater
    The engine coolant heater, if available, can help in cold weather conditions at or below −18°C (0°F) for easier starting and better fuel economy during engine warm-up. Plug in the coo ...

    Retained Accessory Power (RAP)
    These vehicle accessories can be used for up to 10 minutes after the engine is turned off: • Audio System • Power Windows • Sunroof (If Equipped) • Auxiliary Power Outlet Power to the ...

    See also:

    Engine Oil Life System
    The engine oil life system calculates engine oil life based on vehicle use and displays the CHANGE ENGINE OIL SOON message when it is time to change the engine oil and filter. The oil life sy ...

    Safety Belt Care
    Keep belts clean and dry. WARNING! Do not bleach or dye safety belts. It may severely weaken them. In a crash, they might not be able to provide adequate protection. Clean safety belts only wi ...

    Infotainment Control Buttons
    The buttons on the faceplate are used to start primary functions while using the infotainment system. VOL/ (Volume/Power): 1. Press to turn the system on and off. 2. Turn to adjust the volum ...