Final answer:
It is false that when looking out for potential hazards, one must only check the rearview mirror. Situational awareness involves checking all mirrors, including the sides and ahead.
Step-by-step explanation:
When looking out for potential hazards, you must only check your rear view mirror: B False. When driving, it is crucial to maintain situational awareness, which includes checking all mirrors (rearview, side mirrors) and looking ahead, to the sides, and occasionally behind the vehicle. This allows the driver to spot potential hazards from all directions, such as other vehicles, pedestrians, animals, or road conditions that could lead to dangerous situations.