What is the mandatory procedure when exiting a private garage or property onto a public sidewalk and street?

1. Accelerate quickly and sound the horn continuously to clear pedestrians
2. Stop completely before crossing the sidewalk line, yield right-of-way to all pedestrians and approaching road traffic, and proceed at walking pace
3. Drivers exiting garages always have right-of-way over street traffic
4. Flash high beams to signal crossing vehicles to stop