Method for preventing misuse of transponders left inside a vehicle

The method according to 1, further comprising the steps of:

• in response to an unlocking command, causing the control system to emit the check signal to determine whether the transponder is located in the interior of the vehicle after an unlocking of the vehicle;
• comparing an identity of the transponder determined to be located in the interior of the vehicle after the unlocking of the vehicle with the identity of the transponder recorded in the memory;
• and
• deleting from the memory a record of the identity of the transponder recorded in the memory if the identity of the transponder determined to be located in the interior of the vehicle after the unlocking of the vehicle corresponds to the identity of the transponder recorded in the memory.

An arrangement for preventing a misuse of a keyless vehicle access system associated with a vehicle, comprising:

• a transponder capable of being carried by a user for electronic identification;
• and
• a control system arranged in the vehicle and checking an access authorization and a driving authorization of a user, the control system including:
• a device for emitting a check signal to identify each transponder located in an interior of the vehicle, and
• a memory for recording an identity of each transponder detected as being present in the interior of the vehicle.