Question Studies show that properly wearing a seat belt: Answers Increases the chance of fatality in a crash. Reduces damage to your car in a crash. Reduces the risk of serious injury in a crash. All of the above. Explanation Studies show that, when worn properly, safety belts greatly reduce your chances of being seriously injured in a crash. Seat belts are 60 to 70 percent effective in preventing fatalities in auto crashes. Pass your DMV Written Test with flying colors Take me to the cheat sheet Idaho This questions appears in the following tests: Idaho Practice Test 30 Idaho Practice Test 27