You might be a sitting duck
Doubt they would allow you to transfer the warranty but never know!
I would call up the dealership, worse case is they'll say no
Just "fixed" the issue you're talking about
Either try taking the switches out and cleanings the pins with some electronic cleaner (make sure it's the stuff that won't eat plastic) or you could have a blown relay
Here's what I did
https://m.youtube.com/watch?v=r2QWMq1YPSI