On cold days, to prevent moisture from forming on the inside of the glass, _________ before you turn on the defroster.

Question

Question: On cold days, to prevent moisture from forming on the inside of the glass, _________ before you turn on the defroster.

Options:

1.  turn on your car stereo
2.  ensure your antifreeze levels are adequate
3.  scrape the outside of the windshield
4.  turn the heater on high and let the engine warm up
5.  exit the car

Answer 1

4. Turn the heater on high and let the engine warm up

On cold days, to prevent moisture from forming on the inside of the glass, turn the heater on high and let the engine warm up before you turn on the defroster.

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More:

On cold days, to prevent moisture from forming on the inside glass, Turn the heater on high and let the engine warm up before you turn on the defroster.

By turning the heater high, you can reduce the moisture forming. Letting the moisture forming in the glass can be dangerous. It may disturb your driving vision. Also, warming up the engines will help in starting and undisrupted driving.