Hmmm. Sounds like a major moneymaker for the dealer with little or no benefit to the owner. Wax applied at home on a regular basis will protect your TT from bug splatter, tree sap, etc.. Don't waste your $$.
2006 23B Hybrid with 10k round bar WDH
2011 F150 4x4 SCREW Ecoboost, Max Tow, Integrated TBC, 3.73 LS axle, Firestone Ride Rite airbags.