KYLE...a question from us SILVER car owners (99.777%!!!
)...I had my Millenia treated when I bought it (2 years OLD)with the "TEFLON coating thingy" polish sealant offered by Ziebart when i got undercoating done...now I haven't polished it in 2 years except one application of Eagle 1 Nano Wax..I got fer FREE after rebate 2 years ago..so...........do Silver cars need anything ?? 'cos mine still looks good after just a basic bucket & soap driveway JOB?
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Is Silver the ANTI_BLACK that U have to polish and buff hourly and u can just leave IT (Silver paint) alone 'cos it looks smashing brilliant with minimal fluffing....

Regardless of any sealants or "final-protectants" applied to the paint, you still need to wax your car. Essentially with the 'gloss' and 'paint protection' type products, you are more or less paying for the guarantee that the paint will not fade, develop defects, etc. The actual product they apply could be just a regular car wax or something inferior to the decent products on the market.
Silver cars (and white/light coloured ones too) are particularly bad because they develop little rust specs, which are brake dust particles that bond to the exterior of the paint and sit for some time. Even if you have a final wax product applied to the finish, it will not prevent this type of thing from happening.
Your best bet is to use a clay bar on the vehicle at least once a year to remove these defects, prior to waxing. On the flip side, the clay bar also removes road girt and bonded surface contaminants which can cause a rough or gritty feeling on your vehicle's paint (even after waxing). The sure fire way I've found that touches on all of these aspects and provides a sure fire, well-protected finish is the following trusted 5-step method:
- wash and dry vehicle
- clay bar all painted surfaces
- clean the paint
- polish the paint
- wax/protect/seal the paint
If anyone is interested I can also recommend some products that will get the job done right, the first time.