hello,thanks for letting me join,,,i have question to ask,,i have a renault laguna sports wagon 2001,it does not have a factory fitted sat nav system,a friend has a 2005 model with sat nav,,would this system fit my 2001 model,,my wiring loom has quite a few multi pin plugs which are not connected to any thing,,been told these are for sat nav system,is this true,will system fit,,if so s it a easy install,,,appreciate any help/advice,,regards.