Pull the rubber plug under the USB connector to reveal the SD card slot (see image). Insert SD card, put cover on. The SD card remains in the slot, covered with a rubber stopper. That's all. Turn on the device, select navigation on the touchscreen and it will load automatically. Searching by address is a little clunky compared to, say, Waze or the Google Map app, but it's pretty much what a retailer would do for a lot more money, and now you've got big-screen navigation. Works on Classic if you have the Tech Pack option (large touchscreen with rear camera).
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