I am about to buy a Honda Accord tourer 2007.
I have never had a built in Sat Nav before, so do I need the S.N. CD for upgrades etc. or will it be ok if there is none supplied with the car?
if you go to the web site www.digitalkaos.com, and go to satellite navigation" on their main home page , and ask your question there , they will be able to advice you ,
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix satellite navigation.