GMC 2003 Savana - Manual (Page 106)

Engine Coolant Heater
In very cold weather, O'^F (-te^C) or Cйlder^ the engine
coeJant haa)(?F can help. You'll get easier starting
and better tuei emhCKny durng engine wafn-up.
Usually rtie cootanl heater should be plugged in a
minimum of four hours prior to starting your vehicle. At
(emperatures above 32“ F use of thg coolant
heater is not required.
To Use the Engine Coolant Heater
1. Tunn off the engine.
2. Open the hood and unwrap ihe electrical cord.
The cord Гог the engine coolant heater is located
Oh the driver's side of the engine compartment and
IS attached to (he hose for the poift/er steering
reservoir.
3. Plug it into a normals grounded 110-volt AC outlet.
Plugging the cord into an ungrounded outlet
could cause an electrical shoch. Also, the
wfcng kind of extension cord coutd overheat
and cause a fire- Vou could be seriously
Injured. Plug the cord ir^to 3 properly grounded
three-prong 11D-volt AC outlet. If the cord
won't reach, use a heavy-duty threo^profig
extension cord rated for at least 15 amps.
4. Before starling the engine, he sure to unplug and
store the cûtû as iL was before to keep it away
from moving engine parts. If you don’t, il could be
damaged
How long should you keep the coolant heater plugged
In? The answer depends on the outside lemperature, the
kind of oil you have, and some other things. Instead
of trying To list everything hers, we ask that you contact
your dealer in (he area whore you'll be parking your
vehicle. Thg dealer can give you Ihe best advice 1er thal
particular area.
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