Seat belts: use is mandatory in most states, but some drivers and passengers are still skeptical of there value. Statistics indicate that more than 40% of all vehicle accident deaths are caused by striking the windshield or dashboard. Statistics also indicate that being thrown from a car is 25 times more lethal than staying inside the vehicle. The bottom line is that seat belts save lives. Drivers and passengers required to wear seat belts are protecting each other.
Car door locks:four out of five deaths of people thrown from vehicles could have been prevented if only they stayed inside the vehicle. Simply locking the doors further ensures that you and your passengers will stay inside the vehicle as much as is possible.