I had asked the question on a French group on facebook. A person had the same problem and he told me that it was a calculator box (for unlock/lock) below the glove box.
Maybe it's this parts :
https://www.nissanpartsdeal.com/part...tra2=&filter=()
parts B (28959X)
if so, can it be changed without the intervention of nissan (need ecu tune ?) ?
Thank you for your help