Question

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

(A) turn on your car stereo

(B) ensure your antifreeze levels are adequate

(C) scrape the outside of the windshield

(D) turn the heater on high and let the engine warm up

(E) exit the car

Answer 1

Correct answer is (D) turn the heater on high and let the engine warm up

Explanation: 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.