| 摘要 |
A passive motor vehicle access system has at least one handle on the vehicle and at least one capacitive sensor situated in the vicinity of the handle which triggers a data identification interrogation of a data carrier in the user's possession, if the handle is actuated. A method comprises: determination of the number of cases of negative data identification that have already been carried out during a pre-determined time period; comparison of the determined number of negative identification cases with a pre-determined threshold value; and additional data identification interrogation, if the number of negative data identification cases is less than the pre-determined threshold value, or transmission of a new referencing command signal to the capacitive sensor or sensors in order to obtain a new reference for the latter, if the number of negative data identification cases is equal to the pre-determined threshold value.
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