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Engine Coolant Heater (Option)
In very cold weather, 0°F
(-
18°C) or colder, the engine
coolant heater can help. You'll get easier starting and
better fuel economy during engine warm-up. Usually,
the coolant heater should be plugged in a minimum of
four hours prior to starting your vehicle.
To use the coolant heater:
1.
Turn off the engine.
2. Open the hood and
unwrap the electrical cord.
3. Plug it into a normal, grounded I IO-volt AC outlet.
A
CAUTION:
Plugging the cord into an ungrounded outlet
l
could cause an electrical shock. Also, the wrong
kind of extension cord could overheat and cause
a tire. You could be seriously injured. Plug the
1
cord into a properly grounded three-prong
110-volt AC outlet. If the cord won't reach, use a
l
heavy-duty three-prong extension cord rated for
at least 15 amps.
I
4. After you've used the coolant heater, be
SLUT
to store
the cord
as it was
before to keep
it
away from moving
engine parts. If you don't,
it
could be damaged.
How long should you keep the coolant heater plugged
in'? The answer depends on the outside temperature, the
kind of oil you have, and some other things. Instead of
trying to list everything here, we ask that you contact a
GM dealer i n the area where you'll be parking y o ~ ~ r
vehicle. The dealer can give y o u the best advice for that
particular area.
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