Structural theft protection for motor vehicles

A theft protection system for a motor vehicle, comprising:

• a motor control device (31) in the vehicle;
• a blocking control device (30), in the vehicle, for releasing the motor control device (31);
• a device (20) connected to the blocking control device for reading a code card (40);
• and
• a device (32) connected to the blocking control device (30) for acquiring a vehicle use parameter (T, S),
• wherein the blocking control device (30) keeps the motor control device (31) in a released position only as long as the acquired vehicle use parameter (T,S) has not yet reached a predetermined maximum value (TMAX, SMAX) and an old release information is available,
• wherein the release is renewed if a new release information stored on the code card (40) is fed to the blocking control device (30), the blocking control device (30) then generating a valid old release information from the new release information, resetting the vehicle use parameter (T, S,) to its initial value, and deleting the new release information from the code card (40), and
• wherein the system additionally comprises a locally fixed device (10) at a gasoline station for renewing the release information on the code card (40).