Final answer:
Cruise control should not be adjusted while driving for safety reasons; turn signal lever and sun visor can be adjusted for improved driving visibility and communication.
Explanation:
Cruise Control should not be adjusted when the vehicle is in motion because it requires the driver's full attention and focus on the road to ensure safe driving. Adjusting the cruise control settings while driving can lead to accidents or loss of control.
On the other hand, items like the Turn Signal Lever can be adjusted while driving to indicate the intended direction, promoting safe driving practices. Similarly, items like the Sun Visor can be adjusted to shield the driver's eyes from glare without compromising safety.
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