Probably wrong place but.i have. ...
My drivers seat will not go up down or in or out but when you press the buttons on the side of the seat you can hear them trying to work but nothing happens

And the parking sensors front n back packed in last year so I bought a second hand unit and all was well.
Same things happened again recently so again I purchased another one plugged it in exactly the same numbers but it will not work and the seller says you been to program it to your car..is this true or not

quickest way of finding out mate is to put an ODB reader onto it and wait for the (inevitable) faults. Its not an uncommon fault if you search the forums. RRS 2006 2.7TD BLACK (MY FIRST RR!!!!)
RRS 2008 3.6 V8 SILVER/GREY (WIFES XMAS PRESENT)