Final answer:
The activity that people should not do to improve their attitude when behind the wheel is keeping negative thoughts.
Step-by-step explanation:
The activity that people should not do to improve their attitude when behind the wheel is D. Keeping negative thoughts. It is important to have a positive mindset while driving to ensure safety and reduce stress. Activities such as listening to relaxing music, practicing relaxing breathing, and tossing aside negative thoughts can help improve attitude and promote a calm and focused state of mind while driving.