Smart also used to advertised one of their early cars (maybe fortwo in the early 2000s?) emphasising how easy it was to swap the plastic panels. I just realised, I've not seen any adverts like that for many years, googled and found an article [1] describing how it was never as easy as they claimed.

[1] https://www.hagerty.co.uk/articles/maintenance-and-gear/it-l...