How do you replace seat belts in a Camry?
This isn't something that most people can answer. You need to check the owner's manual or a car repair manual. Be sure that you are doing the job correctly because incorrect installation could lead to death or injury.
How do you check to ensure 1990 Camry seat belts are functioning if they only engage in a collision?
Some school buses do have seat belts throughout the entire bus. For the most part, buses do not have seat belts. They tend to have seat belts in the rows closest to the front end. It depends on the town, village, city, that owns the buses. Some places make them regulation to have entire buses full of seat belts, while some don't have any. Bus drivers usually have seat belts, being drivers.
Children up to certain weights are required to be in car seats that are held in place with the seat belts in most states. After they reach a certain weight, they are required to wear seat belts, so not only can children wear seat belts, after they no longer are required to be in car seats, they are required to wear a seat belt.