The CAVA app is a mobility assistant for smart electric vehicles. It offers multi-functional vehicle control functions. Without the need for a key, you can link, unlock, start, and locate your beloved vehicle through the app, meeting your mobility needs. Combined with the vehicle's smart central infotainment system, you can obtain real-time data at any time, such as vehicle location, safety status, trip statistics, historical trajectory, and battery charge information, giving you comprehensive control over the vehicle's status. Furthermore, without the need for hardware replacement, the app's OTA update function allows you to update the smart central infotainment system with one click, continually unlocking new features for your vehicle.