To activate the 1 second tracklog on the Nuvi 2465/2565/2575, follow these steps:
1. Turn on your Nuvi
2. Press View Map
3. Press the Speed indicator
4. Press the Speedometer for 6 seconds
5. In the Diagnostic Page, scroll down and press the Diagnostic Logging button
6. Press the Start Recording button
7. In the Select Data to log window check GPX
8. Press the Settings button at the top left
9. Press Start
10. You should now see a recording status duration indicator in the top-middle part of the map
11. Once you have finished tracking, you may click the Stop button on the map.
