Hey guys i bought sum leatherique... i have a 1993 BMW 740iL... i put it in a spray bottle and started to spary the rejuvenator on all the seats... the company says to roll up all the windows and put the car out in the sun... how long should i wait be4 using the prestine clean to wipe off the dirt?... its been bout two hours so far and i dont see any dirt or sweat coming out of the leather yet... any tips or tricks? also i think i need to get sum crack filler and re-dye everything, because the cracks are awful... ill psot some pics later...