My Nav 5 memory is almost full even with all my music on my 16gb memory card
According to Basecamp my Nav 5 has 2 maps installed:
1. CN Europe NTU 2015.40
2. Europe DEM v20.12
do I need option 2? If not how and where do I delete it?
Thanks

According to Basecamp my Nav 5 has 2 maps installed:
1. CN Europe NTU 2015.40
2. Europe DEM v20.12
do I need option 2? If not how and where do I delete it?
Thanks