I have always done a section at a time. Lot easier to get the wax off instead of letting it sit there. Are you waxing by hand or machine? Btw some waxs I do beleive do sugest to wax the entire car and then wipe off. What do the instructions say?

*99 Contour Sport SE*

-KKM Intake-
-Res Removed-
-Matrix blue headlights-
-Custom Dual exhaust-
-Mystery Mod-
-Removed turn single reflectors-
-Fog Light fix-
-Pioneer Head unit-