Question Head restraints should be: Answers Adjusted to contact the back of the head. Removed from the seats, if possible. Anywhere, as they have no effect on either the driver or passengers. Explanation Head restraints are designed to prevent whiplash if your vehicle is hit from behind. They should be adjusted to contact the back of your head. Pass your DMV Written Test with flying colors Take me to the cheat sheet South Dakota This questions appears in the following tests: South Dakota Practice Test 14 South Dakota Practice Test 21