Ace Your DMV Written Test with our Guaranteed Cheat Sheet.
Cheat sheet
Question
Using the trailer hand valve while driving:
Answers
A.  Will help you turn safely.
B.  Will stop your trailer safely.
C.  Can cause a skid.
D.  Is impossible.
Explanation
Never use the trailer hand valve while operating your vehicle. Using the trailer hand valve while driving can cause your trailer to skid.

Pass your DMV Written Test with flying colors

Ace Your DMV Written Test
Get your Cheat Sheet Now!