Generating motor vehicle theft protection system involves performing match of exchange code for previous legal start-up(s) in addition to current exchange code to permit start-up process

摘要

The method involves generating an exchange code between an ignition key and a controller when starting the vehicle and comparing the exchanged code before allowing the starting process to take place. In addition to the current exchange code match, a match of the exchange code for at least one previous legal start-up is performed to permit the start-up process. An independent claim is also included for an arrangement for generating a motor vehicle theft protection system -