My 2019 Chevy RST with 24k back window started leaking last week. I called dealer and scheduled an appointment for this past Wednesday. The dealer had a window leak company do the work. I got the truck back the same day and you can't even tell they worked on it. No scratches, marks or sealant anywhere. It has rained the last two days and no leaks. Hopefully it's fixed permanently, but only time will tell.