When backing, it is helpful to: Question When backing, it is helpful to: Answers Continually sound your horn. Accelerate and complete the maneuver as quickly as possible. Rely only on your mirrors. Have a second person guide you by signaling from outside the vehicle. Explanation Backing a large vehicle is particularly dangerous and should be done with great caution. It is helpful to have a second person guide you by signaling from outside the vehicle.
