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Run your engine
only
as long as you must. This saves fuel. When you run
the
engine, make
it
go a little faster than just idle. That is, push the
accelerator slightly. This uses less
fuel
for the heat that
you
get and
it
keeps
the battery charged.
You
will need
a
well-charged battery
to
restart the
vehicle, and possibly for signaling later on
with
your headlarnps. Let
the
heater run for awhile.
Then,
shut
the
engine off and close
the
window almost
all
the way to
preserve the heat. Start the engihe again and repeat this only when
you
feel
really uncomfortable from the cbld. But do
it
as little as possible. Preserve
the fuel as long as
you
can.
To
help keep warm, you can get out
of
the
vehicle and do some fairly vigorous exercises every half hour or
so
until
help comes.
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