B60R 25/02144

Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens operating on the steering mechanism restraining movement of the steering column or steering wheel hub, e.g. restraining means controlled by ignition switch {comprising externally controlled safety devices for preventing locking during vehicle running condition interlocked with gear box or gear lever}