Refer to your Uconnect Owner's manual, it should have come with your Cherokee.
According to mine Canadians can call 855-209-8317 and refer to
www.MoparOwnerConnect.com
Your Jeep dealership should be able to help, usually I ask the sales people. Probably the sales manager.
This seems to be the most useful Post:
Map Update Available - any way to preview roads?
Refer to "Related Threads" below.
Hopefully you will get a good reply.