SEAT BELT BUCKLE on 1992 Mercury Sable

My seat belt buckle wont hold my buckle i looked at the buckle thats on the seat and when you stick the other end on the door the red button its self goes in and wont hold how do you fix that

Asked by for the 1992 Mercury Sable
It sounds like you may need to replace the buckle side of your seat belt. The belt side is the long part of the seat belt and the buckle side is the short part that the belt locks into.