Valeo Electronique

Renault-valeo Securite Habitacle

Patricia Moreau

Jacques Morillon

Philippe Louvel

Eric Moizan

Patrick Poulain

A system and method for locking a motor vehicle steering column to prevent accidental locking of the steering column is provided. The system electro-mechanically locks the steering column in rotation using a bolt driven by an electronic control circuit that receives commands from an electronic calculator via a multiplexed bus. A blocking device mechanically blocks displacement of the bolt.

System and method for locking a vehicle steering

The method of making secure a hands-free access and/or starting system for a motor vehicle, the hands-free system a control unit ( ) placed in the vehicle and a portable identifier ( ) suitable for communicating remotely and cordlessly with the control unit in order to be authenticated, the method consists in recording ( ) a first data item in the identifier by communicating with the control unit in response to detecting starting of the vehicle engine, and in recording ( ) a second data item to replace the first data item in the identifier by communicating with the control unit in response to detecting normal stopping of the vehicle engine. In the case of lending of the vehicle, the borrower of the vehicle must return an identifier containing the second data item in order to prove that he left the vehicle in an authorized manner.

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Paris, France

Patricia Moreau