(My Crown Vic has getting-compromised aftermarket tint that I have to be careful with.) Having run out of my Sonus stuff (forget the name of it) which worked fine, I`m currently using Griot`s. The 3D 50:1 seems OK on it too but the way it doesn`t die off cleanly usually has me reaching for something else.
AFAIK, a *lot* of glass cleaners from Detailing Product companies are aftermarket tint-safe these days.
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