If this was the last 8 digits of the 12 digit serial number the code should be 1087. If not, google car300.exe and download the calculator... or available from http://www.eserviceinfo.com/downloadsm/20012/_car%20300%20serilal%20calculator.html. This version is in Czec, but there is only one button to click... propeitej (Property!)
Ivor, October 2008