Final answer:
A 3-point turnabout is a maneuver used to turn a vehicle around to go in the opposite direction and should not be performed near the crest of a hill due to safety concerns. The correct answer is '3) all of the above'.
Step-by-step explanation:
A 3-point turnabout is a maneuver used by drivers to reverse the direction they are traveling in a limited space. This maneuver is often necessary when a driver has missed a turn or needs to turn around on a narrow road. When performing a 3-point turn, it is important to ensure the area is clear of traffic and that there is enough space for the turn to be completed safely.
Regarding the options provided:
- It is used to turn a vehicle around to go in the opposite direction.
- It should not be done near the crest of a hill or in any place where there is limited visibility, as it can be dangerous for the driver and other road users.
Therefore, the correct answer to your question is:
3) all of the above