Researching ways to make the most of our Garmins (an Edge 810 and 520), we discovered a simple hack from DC Rainmaker that allows you to customize the startup screen to include a message – in this case, our contact information should the unit be found.

Garmin Start Screen

Updating the information was incredibly simple – the start up message can be edited in the “startup.txt” file, which can be found when you connect your Garmin to your computer. A little bit of paranoia led me to use Steve’s public mobile number, rather than my name and personal cellphone.

Garmin Screens

This particular hack is not available on all Garmin models – For full details, and a step-by-step rundown on how to update your startup message, visit