1. Remove the battery cover.
2. Remove the batteries.
3. Unlock the MicroSD Card Slot by carefully sliding it up.
4. The metal cover should now easily lift up.
5. Carefully insert the card in the slot with the arrow pointing up.
6. The MicroSD Card should rest on top of the contacts.
7. Close the metal cover and slide down to lock the MicroSD Card in place. Then reinstall the batteries and battery cover.
Using the SD Card adapter with other Garmin systems.