Prevents your head from going thru the windshield (ouch). Also prevents you from being thrown out of the car during an accident.
90-95 percent
It keeps them from being ejected from the vehicle.
wearing a seatbelt in the car
'cuz you'll fly out the window. and also in some cars if you're not wearing seatbelt occupant protection sistem will not work in minimized crash situations.
risk
No- NOT wearing a seatbelt is NOT safe. Wearing a seatbelt IS safe. It prevents you from being slammed against the intterior of the car, or being thrown out where you will be crushed by the car. You are NOT strong enough to brace yourself against the impact.
risk
Annoying.
Original Answer: No, there were 10 other people in the car, 20 in the accident. Left eye was the only one who died. And was the only one wearing a seatbelt. ACTUALLY: At the time of the crash, it was widely circulated that Lisa was wearing her seatbelt. However, when the video of the crash was released (as part of a VH1 feature entitled "The Last Days of Left Eye") it became obvious that she was NOT wearing her seatbelt. See for yourself: http://www.dailymotion.com/video/x22133_idontlikeyouinthatwaycom-lopes_music Lopez and three others were ejected from the vehicle, but she was the only fatality, dying instantly from head trauma.
wearing a seatbelt in the car
wearing a seatbelt in the car
they will hit the windshield and hurt their head