Do You Keep Both Hands On The Wheel When You Drive?

The text book used say to keep your hands at 10 and 2.

But that’s outdated. Now experts say to keep your hands lower. At 9 and 3. This is to avoid injury if the airbag goes off

But truth be told, most people drive with one hand in position. They find something else to do with the other hand

Do you keep your hands at 9 and 3?