Reply To: Do you clean your car prior to handing back? March 30, 2022 at 9:51 am #181171 WardyGTCParticipantAlways. Every car I have handed back was spotless.I can’t do it myself anymore but £20 for a mini valet is a sound investment against your GCB.If I seem a little strange, that's because I am.Skoda Karoq SEL.