How many times did you polish the sequoia? I've never seen a car where the clear coat went bad after 5 years.I have only used a quick wax spray on my 2017 Pilot and it still looks like new and beads water like crazy. It lasts about 2 months but is super easy and quick to do. Until I see signs of aging paint/fading, that is all I am going to use.Mine has set outside for 3 years now while I am at work 5 days a week in Florida. I used turtle wax/polish on my old Sequoia and The clearcoat started to give up after only 5-6 years. Not going that same rout with this new Pilot.