e-fix Mobility App. THE SMART ASSISTANT ON THE GO Check the remaining capacity of your e-fix battery pack – and see what distance you can still cover? Simply launch the Mobility App on your smartphone and see all the information you need, at a glance. The Mobility App also comes with useful everyday tips for your e-fix. The App at a glance: Cockpit: - Remaining capacity and range display* - Tour computer - Route recording Guide: - Quickstart guide - Error information with suggested solutions