Engine Coolant Heater (Option)
In
very cold weather. 0°F
(- 18°C) or colcfer.
the
engine coolant heater
can
help.
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 won't reach, use
heavy-duty three-prong extension cord rated for
at least
15
amps.
You'll
get easier starting and better
file1
economy during
engine wa1-tm-up. Usually, the coolant heater should be
plugged
in
a
tnini~num
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.
Pl~lg
it
into
a
nol-r.nal, grounded
1
IO-volt
AC
outlet.
4.
Before starting the engine. be s~11-e
to
unplug
and
store the cord
as
it
was
before to
keep
it
away
from
moving engine parts.
If
you
clon't.
it
could
be da111~1ged.
How
long should you keep the
coolant
heater plugged
in?
The answer depends
on
the outside temperature. the
kind
of
oil
you
have,
and solne other things. Instead
of
trying
to
list everything here. we
ask
that
~OLI
contact
yoc~r
GM
dealer
in
the
area where you'll be parking
your
vehicle. The dealer
can
gi\:e you the best advice
for
that
particular area.
2-17
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