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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 headlamps. Let
the heater run for awhile.
4-36
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