Ford Windstar Owner's Manual page 221

Using the Engine Block Heater (If equipped)
Using your engine block heater is strongly recommended if you
live in a region where temperatures consistently reach
( 29˚C) or below during the winter months. An engine block
heater warms the engine coolant which improves starting,
warms up the engine faster, and allows the heater-defrost
system to respond more quickly.
To preven t electrica
ungrounde d electrica
adapters.
For best results, plug the heater in at least three hours before
you start your vehicle. Using the heater for longer than three
hours will not damage the engine, so you can leave it plugged
in all night to start your vehicle the following morning.
Guarding Against Exhaust Fumes
Carbon monoxide, although colorless and odorless, is present in
exhaust fumes.
D o not star t your vehicl e i n a close d garag e or i n other
enclose d areas . Exhaus t fumes ca n be toxic . Always open
th e garag e door befor e you star t th e engine.
I f you eve r smel l exhaus t fumes of any kin d insid e your
vehicle , hav e your deale r inspec t and fi x your vehicle
immediately . D o not driv e i f you smel l exhaus t fumes.
Thes e fumes ar e harmfu l and coul d kil l you.
220
WARNING
l shock , do not us e your heate r with
l system s or two-pronge d (cheater)
WARNING
WARNING
20˚F