In the first back to the future, Einstein, the dog, gets sent forward in time by 1 minute. If you have to reach 88 miles per hour, how did he get back? He can't drive a car, he's a dog.
The Doc is very clearly seen driving the car with a remote control.
The car is sent one minute into the future. Doc and Marty chat for a minute, and then the car reappears. From the perspective of Einstein, no time at all has passed between the Delorean disappearing and reappearing (in fact, I think Doc says as much in the film).
So it seems like even after all these years, people don’t get this so here is a diagram of what happens;
Just before point A, Doc, Marty and Einstein are all together. Doc controls the car with Einstein in and accelerates it to 88mph. At point A, the car disappears 1 minute into the future. At that point in time, Einstein does not exist. One minute passes, and at point B, the car from one minute ago appears. Einstein then continues to exist in the timeline. To Einstein, the time between points A and B did not happen. He went instantaneously from A to B. There was no “going back”. He continues on as if nothing happens, although physically he is one minute younger than he should be, having not existed between points A and B.