Final answer:
When backing a car, it is important to check for items behind the car before moving. This is to ensure that you do not hit any obstacles or pedestrians.
Step-by-step explanation:
When backing a car, it is important to check for items behind the car before moving. This is to ensure that you do not hit any obstacles or pedestrians. The appropriate time to check for items behind the car is before you start moving in reverse. Make sure to use your rearview mirrors and turn your head to look over your shoulder to get a clear view of the area behind your car.