While some applications might utilize location services (such as GPS) via Wi-Fi or cellular connections, this is not a core feature of the hardware itself.

If you're worried about losing your DSi, you could consider:

* Attaching a tracking device: There are small, inexpensive Bluetooth trackers available that you can attach to your DSi.

* Using a location app: If your DSi has Wi-Fi capability, you could potentially download a location app, but this would depend on the app's compatibility with the DSi's operating system.

Remember, however, that relying on location services is not foolproof and might not always be reliable.