Access key for a motor vehicle with near-field communication exchange capability

Abstract

The invention relates to an access key (1) for unlocking a motor vehicle, comprising:—a communication interface configured so as to communicate according to an NFC protocol;—a support containing data constituting service provision rights,:—a monitoring circuit (111) able to process a transaction by way of said communication interface (112) on the basis of said data constituting the service provision rights; characterized in that it comprises a housing (106) for receiving a support containing data constituting service provision rights of removable type (2), and in that it comprises a read and/or write interface (113) in the removable support placed in the housing, the monitoring circuit (111) being configured so as to allow an exchange of data between the communication interface and the read/write interface.

Dependencies are inferred from the claim text.