Question

______ have proven to be the most effective occupant protection in all types of vehicle crashes.
select one:
○ a. turn signals
○ b. head lights
○ c. seat belts
○ d. all of the above

Explanation:

Turn signals are for indicating turns, head lights for illumination, but seat belts are proven to protect occupants in vehicle crashes by restraining them. So only seat belts fit.

Answer:

c. Seat belts