Is rustproofing still recommended for today’s new cars?

The Globe and Mail · Lou Trottier · 2026-11-04 10:00 UTC

There is a chance the automaker could deny a warranty repair, but Lou Trottier says it is a good way to extend the life of a car

Hi Lou,

I just bought a new Toyota Corolla hatchback. Should I or does it make sense to do Krown rustproofing on today’s new vehicles?

Thanks in advance. - AD