Amazon.com Help: Manage Your Device

Note: Location-based services must be turned on for this feature to appear in your device settings.Go to Location Services FAQ to learn more about location-based services.. To enable Manage Your Device on Fire tablets: Swipe down from the top of the screen to open Quick Settings, and then tap Settings.; Tap Device / Device Options.; Turn on Find My Kindle / Find Your Tablet.

https://www.amazon.com/gp/help/customer/display.html?nodeId=201439790