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Chevrolet Malibu Owner Manual - 2011
Driving and Operating 9-19
Before adding electrical
equipment, check with your
dealer. If you do not, the engine
might not perform properly. Any
resulting damage would not be
covered by the vehicle warranty.
Engine Heater
The engine coolant heater can
provide easier starting and better
fuel economy during engine warm‐
up in cold weather conditions at or
below −18°C (0°F). Vehicles with an
engine coolant heater should be
plugged in at least four hours before
starting the vehicle. An internal
thermostat in the plug-end of the
cord may exist which will prevent
engine coolant heater operation at
temperatures above −18°C (0°F).
To Use the Engine Coolant
Heater
1. Turn off the engine.
2. Open the hood and unwrap the
electrical cord. With a 4 cylinder
engine, the engine coolant
heater cord is located near the
air cleaner box on the passenger
side of the engine compartment.
With a V6 engine, the engine
coolant heater cord is located on
the driver side around the
battery box. See Engine
Compartment Overview on
page 10‑6 for more information
on location.
{
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
(Continued)
WARNING (Continued)
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.
3. Plug the cord into a normal,
grounded 110-volt AC outlet.
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
and prevent damage.
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.