Renault Laguna Initiale Sports Tourer 2ltr 2006 - Compuetr management problem - Arfermo

My 2006 Renault Laguna Initiale Sports Tourer key-cards are not activating the automatic seat settings for self and wife despite setting the key-cards memory settings separately in the hole and pressing the memory button on the seat and hearing the confirmation tinkle. Everything else works OK. Local garage testing after oil change reset confirms no computer errors. Somebody on this forum somewhere suggested pressing the key-card buttons 20 times to reset everything which seems a bit odd unless it would works or wake the computer from its slumber!! Clues please?

 

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