Final answer:
In any parking maneuver, one must check the rearview mirror, side mirrors, and blind spots to ensure all areas around their vehicle are clear.
Step-by-step explanation:
When performing any parking maneuver, it is crucial to constantly check all areas around your vehicle. This includes the rearview mirror to observe what is directly behind you, side mirrors for a broader rearward view, and particularly the blind spots, which are the areas not covered by mirrors and can hide other vehicles, pedestrians, or obstacles.