In the movie The Yellow Rolls-Royce, staring a 1930 Rolls-Royce Phantom II, the main character's cooling system was used to boil water.
The horn is a signaling device.
Headlights are a source of light.
The radio is your source of news.
Inside the car is a good place to be in a lightning storm or anytime the weather is bad (except when there is a tornado).
Even good weather, a car makes good shelter. Just roll down the windows when it's warm.
The jack can move a heavy object several inches.

Jeanette Isabelle
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I'm not sure whose twisted idea it was to put hundreds of adolescents in underfunded schools run by people whose dreams were crushed years ago, but I admire the sadism. -- Wednesday Adams, Wednesday