no, they pull downwards on the seat and then the seat breaks your back when it folds in two. would have to be a pretty bad impact, but it can still happen.
Only happens in a normal seat. If you have a proper bucket seat you wont have a problem if the belts are anywhere in the -45 degree range from horizontal.
Harnesses in normal seats is an accident waiting to happen IMO.
no, they pull downwards on the seat and then the seat breaks your back when it folds in two. would have to be a pretty bad impact, but it can still happen.