Using the Edge Explorer 2 is super easy. First, turn it on and set up your preferences like language and units. You can use the touch - screen to navigate through different menus. To plan a new route, simply tap on the map and select your destination. When you're out riding, the computer will guide you with clear directions. As for maintenance, keep it clean with a soft, dry cloth. Avoid exposing it to extreme temperatures and moisture. If you're not using it for a long time, make sure to charge it every few months to keep the battery in good condition. And always remember to update the software regularly to get the best performance.