What should you do while backing up the car?

• Look over your shoulder in the direction you are moving
  Explanation:

  "Proper visibility is crucial when backing up. While backing up, firmly hold the steering wheel and put the gear selector in reverse. Turn sideways in your seat and look over your shoulder in the direction you are moving. If reversing straight back or to the right, turn your body and head to the right and look over your right shoulder."
• Look forward
• Turn on high-beam headlights
• None of the above