They are all a waste of money dude, don't buy anything extra. When you pick up your car give it a good coat of a quality wax. I like Meguiar's NXT tech wax. Every 3 months or 6 if you are not that picky, give your car a claybar treatment and then recoat with a wax again. Your finish will always look new.
Those add-ons are only there to increase the dealer profit.
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