ECar app for iPhone and iPad 4.2 ( 7232 ratings ) Utilities Developer: cheng yin Free Current version: 2.2.5, last update: 8 years ago First release : 29 Apr 2015 App size: 12.18 Mb ECAR是车辆自助诊断系统,车主用户提供车辆数据信息,车辆诊断,车辆舒适控制等功能。