The installation was very easy. After installing the software on your phone you had only the OBD2 interface plug in the corresponding connector under the dashboard, making the Bluetooth device in the smartphone known and start the engine. Already the current values appeared on the display. Likewise, you could read the error. Because my car did not show error, I can not say whether and how it works with resetting the fault indication. According to the program description it should go.
The OBD2 interface with Bluetooth is in my opinion for its about 20 euro a good buy, since the start-up is easy and it along with the Android Software Torque (3.50 euros or free price) works very well Pro.