Good Evening KB et al,
Update on my situation - I have had my tailgate replaced/repainted FOC by Skoda. However, they would not entertain any repairs to my rusting lines due to the rear door rubbers. To be fair one side had been painted by previous owner by Skoda dealership. Still wondering what to do with these given this was a car I didn't want to spend too much time/effort/money on. I was even thinking hammerite smooth direct to rust paint just to protect/seal to slow things down. Any thoughts on this approach? would it work on top of car paint, given that you wouldn't see it from the outside with the doors shut anyway? Also like others, I have some rust on front sills as well which again Skoda would not entertain due to stonechips....