An anti-theft lock structure for a vehicle having a code box which must be accessed to enable the vehicle to operate. When the vehicle is not enabled the steering column is locked in position, the gear shift lever is locked in position so the transmission cannot change gears, the front brakes are locked...http://www.google.fr/patents/US6501370?utm_source=gb-gplus-shareBrevet US6501370 - Vehicle anti-theft lock apparatus and method
