I just mine, first real wash & was in almost 2 yrs :blush:
After the ice storm last week, it was in the 70's and wanted to get the sand & salt off. It all started with the Expedition, I noticed the roof rain 'gutters'? were shoing some rust, I knew I needed to give better attention to all my cars. So after hearing everyone rave about clay bar, I got one. It did remove the roughness from the surface. I was going to go all out and do a 3 step meguers(?) on top of that, but I did a test spot and couldn't see a diff, so I just ICE'd it

starting getting lazy. But the paint still looks new!
Shoulda pictured it, but I was to tired after cleaning the 'Scape in & out, then the Expedition, and then onto the Falcon...
As for tire, I use some purple gell stuff, smells like what the dentist puts in your mouth when you bite on that horseshoe thingy, can't remember the name tho. Seems to last a while, doesn't sling off.
edit: It's alo Meguires (?) High Gloss, lasts weeks, not days on the bottle.