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:

    Automatically folding down the rear seat’s outboard head restraints
    1. The ignition must be in mode I or II. 2. Press the button to lower the rear head restraints for improved visibility. NOTE The head restraint must be returned to the upright position ma ...

    Points to remember
    Studies have shown that installing a child restraint system on a rear seat is much safer than installing one on the front passenger seat. ● Choose a child restraint system that suits your veh ...

    Check spark plugs and ignition system
    Inspect your spark plugs as described in section 7 and replace them if necessary. Also check all ignition wiring and components to be sure they are not cracked, worn or damaged in any way. ...