Telephone-activated security arrangement for motor vehicles has mobile telephone receiver part that deactivates operation of engine or other electronic circuitry when its number is called

摘要

The arrangement has only the receiver part of a mobile telephone installed in the vehicle with its own telephone number so that when the number is called the operation of the engine or other electronic circuitry is immediately deactivated. The security arrangement can only be deactivated on dialing the number again and entering a defined password.