VDO Teleatlas CD map



Hallo, I have take “for free” an old philips rc959 radio with carin 059 gps.
The cd map is january 2000 and I fear about its life.
I try to backup it with alcohol120% but the cd wont function on car.
I don’t know protection, how can I know it?
I have a sony dw u14a.



Read the sticky about backing up navigation discs at the top of this forum and you’ll find many threads using the search function with the keyword [I]navigation[/I].