Not sure I understand the question but what I do is wash the car thoroughly, then clay bar following instructions with the kit, then wax. Very happy with the results and you will be surprised what the clay bar removes.

'64 Sport Fury, 528 Hemi, FiTech EFI, 4-speed, 4.10 Dana 60
'57 Belvedere 2dr sedan, current project in process
'19 Cherokee Trail Hawk Elite
'03 Ram 2500 CTD HO, 6-speed 214,000 miles and still going strong