Chevrolet 1999 Express Van Owner's Manual page 87

NOTICE:
Your engine is designed to work with the
electronics in your vehicle. If you add electrical
parts or accessories, you could change the way
the engine operates. Before adding electrical
equipment, check with your dealer. If you don't,
your engine might not perform properly.
If you ever have to have your vehicle towed, see
the part of this manual that tells how to do it
without damaging your vehicle. See "Towing
Your Vehicle" in the Index.
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.
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18 _ C) or colder, the engine
-
-
up. Usually,
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