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 headlamps. 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 engine again
and repeat
this
only when you feel really uncomfortable
from the cold. 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.
4-26
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