If you park your 100 in the sun, you've likely seen the pitting/spotting that shows up on the trim at the tops of the doors. It's the one thing that makes my truck look old. I priced the replacements... $240, and figured it was worth trying to restore them before replacing them.
Mine were pretty bad...
So, I got out orbital buffer, and two compounds: Liquid Sand (high-grit) and Polish... taped off the paint and played...
Before:
After:
Side by side:
Left: before; Right after (and before Polish stage)
Not 100%. But way (!) better than before, and well within the acceptable range. All in, $0 and 30 min.
Mine were pretty bad...

So, I got out orbital buffer, and two compounds: Liquid Sand (high-grit) and Polish... taped off the paint and played...

Before:

After:

Side by side:
Left: before; Right after (and before Polish stage)

Not 100%. But way (!) better than before, and well within the acceptable range. All in, $0 and 30 min.