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arjay
15-09-2013, 06:24 PM
Excuse my ignorance but I have just bought a Garmin nuvi 42lm with an SD Slot. I believe it has an 8gb max size.
Question is: Why do I need extra memory and what do I do with the extra space anyway? Do I just buy a blank microSD card or do I have to get one with something on it, like maps for instance?
Any help greatly appreciated.

wooda2
15-09-2013, 07:15 PM
You don't have to have a microsd card. The unit most likely came with maps that are on the unit. They have enough space for most people. Have a look here:
http://gwprojects.org/forum
There's miles of info.

arjay
15-09-2013, 07:51 PM
Thanks Wooda2, Yes I have maps and you have told me what I wanted to know!