GMC 2002 Savana Van Owner's Manual page 94

Engine Coolant Heater (If Equipped)
In very cold weather, 0 _ F (
coolant heater can help. You'll get easier starting and
better fuel economy during engine warm
the coolant heater should be plugged in a minimum of
four hours prior to starting your vehicle. At temperatures
above 32 _ F (0 _ C), use of the coolant heater is
not required.
18 _ C) or colder, the engine
-
-
up. Usually,
To Use the Engine Coolant Heater
1. Turn off the engine.
2. Open the hood and unwrap the electrical cord.
The cord for the engine coolant heater is located on
the driver's side of the engine compartment and is
attached to the hose for the power steering reservoir.
3. Plug it into a normal, grounded 110
CAUTION:
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
-
110 volt AC outlet. If the cord won't 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. If you don't, it could
be damaged.
-
volt AC outlet.
-
prong
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