Step 4 sounds good
. I don't know about using Tide though, and letting it dry. It seems like it would leave that chalky white residue on it to me. As a preventitive measure under wheel wells and fenders, CD-2 engine detailer works great. I use it on the Lightning on the engine of course, and under the wheel wells. It leaves a shiny, wet looking barrier and allows dirt and road grime to be rinsed off fairly easy. You can get it at Vatozone for about $6 a can.
