Final answer:
Every vehicle, pedestrian, or other object in motion in a motorist's immediate proximity is a potential hazard.
Step-by-step explanation:
According to the statement, every vehicle, pedestrian, or other object in motion in a motorist's immediate proximity is a potential hazard. This means that any moving object within a 12-15 second search range of a motorist can potentially pose a risk or danger. It is important for motorists to be aware of their surroundings and be prepared to react to any potential hazards.