need some advice for a new car

Pauly

ok, im done with carnuba, it doesnt last. i wanna try some macguire's nxt SP, or something along those lines. i know that old waxes / polish must be removed first, so here is my question. if the car is new, would i be correct assuming that there is no wax on it from the manufacturer or dealership? i would rather not use dawn on my car if i dont need to. should i just clean the car and claybar where i need to then apply the product? i never used this stuff before so i have no idea what im doing. i plan on viewing the sticky, but i need to know if i have to do the wax removal thing. water beads off pretty good as it stands right now, more so on the side then the top and hood of course, but i doubt anyone actually applied a polish to an unowned car. please help, thanks!

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Gun Metallic 2012 370 Z 7AT