I'm new at using a GPS. This is a NUVI 57. In a big part of Southeast Wisconsin we have addresses like "W142 N8101 Merrimac Dr. Menomonee Falls, WI" How do you enter the W142 N8101 part? I cant get it accept this form of address. I believe these are State Plane coordinates, but that is probably not relevant. The above is the address of the Menomonee Falls Highschool