Automobile(s): 07 Lade & 06 SRX (Gone); 2010 Enclave CXL; 2010 MKS Ecoboost Join Date Jun 2006 Posts 3,668 Re: Question about dealer prep I know more coats look better, but trust me, the AIO that I bought (All In One) is a one step one coat process that looks phenomenal and can be applied and removed from a Lade in under 1.5 hours - top to bottom including door jams, etc.