A4 (B8 Platform) Discussion - Carista OBD adapter available on now - Wanna enable your needle sweep? Footwell lights? Windows-up-via-remote? Yup, you can do all of that with Carista, a mobile app for Android and iOS, via an OBD adapter that plugs into your car
Introducing the Carista OBD device! - AudiWorld Forums
fault reader recommendation please
FAQ - OBDeleven Users Q&A
Carista - CARISTA-EVO - Carista EVO Bluetooth OBD2 Adapter
Carista OBD2 Adapter w/iPhone
Carista - COBD-BT24 - Carista Bluetooth OBD2 Adapter
Carista OBD2 app-powered adapter
Carista - Page 2 - AudiWorld Forums
2014 A4 & Carista OBD adapter. Failed to check fault codes. - AudiWorld Forums