inputs.text: additional steps get work - product worked 2011 b8 audi s4 ran initial issues however eventually worked firstly could get work windows xp machines tried machines windows 7 windows 8 unable install included drivers cd instructions included detailed straightforward video cd however installed drivers ran vcds program proceeded test cable received following message pop window port status ok interface not found buy product experience error found set date computer back 112013 vcds recognizes cable get message port status ok interface found not connected car something like connected cable car everything worked fine