Quote Originally Posted by Neil View Post
Even if it has the extra capacity, nothing more than the original OEM coverage will be loaded to the unit's memory during the direct update process after an LM NA has been purchased.
I can't verify but I expect that user can select form many regions and for example download Canada instead of his original 49 states. If not, then he should complain to Garmin basing on legal statements.

About CN naming - you can treat it as an expiration date. After this date nuvi can issue a warning: your maps are outdated.