I'm think this is good idea, if to on in group "colours" rdb hex editor (default skins). This will facilitate the desired choice of paint by typing the required rgb-code. And change in real-time, after enter a values. PLS.
After 5-7 hotlaps on Rockingham. EDIT
After a hotlap, go key 1(auto_save_replay) -> SHIFT + R! After, go key SHIFT + P and then press a button "spectators". After, join race.