Hi, 
For those in the know, this may sound like a silly question but I will be changing my car in a year(company) and want to make sure that I will be able to use the RNS after that in the new golf.  I dont mind an additional adapter cable and so on but I dont want to take the plunge, buy the RNS,  then have to buy a new sat nav system in a years time.  
Thanks for your time.