Safety belt
A seat belt protects the passengers when you have a car accident.
If you wanna meet your maker soon
The safety belt alert light alerts the driver when the driver or any other passengers in the vehicle do not have their safety belt on when the car is on.
Number of passengers per car, is one possibility.Number of passengers per car, is one possibility.Number of passengers per car, is one possibility.Number of passengers per car, is one possibility.
in Michigan it doesn't matter how many people you have in your car you just have to have enough seat belt's.
You can have passengers in your car when you have a valid driver's license and your vehicle has enough seat belts for all passengers.
Because the driver doesn't want any of the passengers to get hurt. If you didn't put a seat belt on then you would just fly forward and hit/crash into the window or the seat in front of you. That is why you wear a seat belt and the reason why the car jerks when the brakes are put on is because no one wants to get into a crash or a car accident.
What kind of car? On an older car you just loosen the alternator and pull it until the belt is tight and then tighten the bolts back. On newer cars, there is a tensioner that pulls the slack out of the belt.
It depends on what kind of car you have and the engine.
Without knowing what kind of car and what engine, there is no answer.
In a crash, rear seat passengers in a car
This can vary depending on if seat belt use is required by law but rule of thumb is: If the car came equipped with the shoulder belt it must be used.