You have a couple of choices. Learn to pay for things, or learn how to fix them.
Once anything leaves the store always assume you're on the hook for it. If you get any type of repair or replacement that's a bonus.
This website if searched can give you the info you need, google your situation and if worded correctly will lead you right back here to the posts that deal with your possible solution. You tube, and some manufacturers offer videos to help you out. If you're having trouble finding a solution post it. Pictures, model, year and information will help other folks here offer some advice. Not all of it will be good advice, buyer beware
Good luck