Garmin G3X Installation Manual page 589

5. When the update process is complete, the screen displays the database status.
6. Once the database(s) have been updated, the SD card can be removed from the unit
7. The unit must be restarted by pressing the Restart softkey.
8. Repeat steps 1-7 for each installed GDU 37X.
190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout
Rev. AA Page 31-137