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nuMaps Lifetime Subscription does not Include Updates for the NTTS Database
The nüvi® 465LMT and dēzl™ 560LMT are packaged with a free nuMaps Lifetime subscription covering US and Canadian road maps and generic points of interest. This subscription does not update the National Truck and Trailer Services (NTTS) database that was preloaded with these devices. Because the NTTS has been discontinued Effective August 6th 2015, the NTTS data can no longer be updated.
The NTTS database on your device includes, but is not limited to items such as fuel stops and repair facilities.