Final answer:
When backing, especially while parallel parking, observing the front of the vehicle is critical to avoid collisions and ensure safety due to the different arcs the front and back of the car may take.
Step-by-step explanation:
While backing, it is important to see what the front of the vehicle is doing to prevent collisions and ensure the safety of everyone around, including the driver. When the front end of a car swings out in a different arc than the back while turning or reversing, there's a risk of hitting an object, another car, or even a pedestrian that might not be visible in the mirrors.
Ensuring that the driver is aware of the entire vehicle's positioning during such maneuvers is crucial. Car damage resulting from a collision, even at low speeds as can occur during parking maneuvers, can be both dangerous and expensive. This necessity is especially true in tight spaces, like when parallel parking, where the front and back of the vehicle can both come into close proximity with other cars or obstacles.