Did the @glen e Blackfire sealant procedure again 3 years after on my 2015 Accord. Decon wash, clay bar, Meguiars UC, BF One step, WD and 2 coats of CS. I will try the SiO2 when I finish my 2 bottles of CS.
Aside from a few rock chips and door dings, she still shines and shimmers better than...