Are seat belts effective in preventing injuries?

A)No.
B)Yes, but only when driving at low speed.
C)Yes.Correct
The seat belt is the most important and effective passive safety system in a vehicle. Its function is to keep occupants in their seat in case of a collision, preventing them from hitting the interior of the car or being thrown out. Its use drastically reduces the likelihood of suffering serious or fatal injuries, being effective at any speed.