Know can trap exhaust gases under your vehicle.
This can cause deadly
CO
(carbon monoxide) gas
to get inside. CO could overcome you and kill
you. You can’t see it or smell it,
so
you might not
know it
is
in your vehicle. Clear away snow from
around the base of your vehicle, especially any
that is blocking your exhaust pipe. And check
around again from time to time to be sure snow
doesn’t collect there.
Open a window just a little
on
the side
of
the
vehicle that’s away from the wind. This will help
keep CO out.
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.
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