Which of the following is a correct requirement for how a pillion passenger must sit on a motorcycle in NSW?

1. Sit in front of the rider and face forward to help with navigation
2. Sit sideways on the seat to reduce wind resistance
3. Sit behind the rider, face forward, have a leg on each side of the motorcycle, and keep both feet on the footpegs
4. Lean against the rider's back but does not need to use footpegs