rust

Hey everyone, I wanted to start a new discussion about this. I read nearly 10 pages of search results and nothing about actual rust yet, so forgive me if this has been covered before. Here's the situation. I live in Canada and drive a white 2019 Stinger GT Limited. I purchased this vehicle in...

I wonder ... since car makers do this less and less properly: is it worth getting some cans of fluidfilm & permafilm and giving the undercarriage plus a few of the accessible holes some good spraying to protect against rust? I drive it in winter, too. I'd love to do this myself, because little...