When can you proceed after stopping at an intersection with a stop sign?

• After honking the horn to alert other drivers
• After checking for pedestrians but not necessarily other vehicles
• After yielding the right-of-way to all traffic on the intersecting street that is close enough to pose an immediate hazard
  Explanation:

  "You may only proceed after yielding the right-of-way to all traffic on the intersection street, which is so close as to constitute an immediate hazard."
• After waiting for a specific amount of time, regardless of other traffic