Let's download and install the OBD Driver from Google Play.
Download the OBD Driver Free
※ 1. To use this application, you must connect an OBD Bluetooth device (based on ELM327) to OBD2 connector.
※ 2. "Adjustment driving" is required to display the exact fuel efficiency.
※ 3. This application is corresponds to the device of Android 2.3.3 or higher, but it does not guarantee the operation of the device of all Android 2.3.3 or higher. Please try this application enough during a free trial.
※ 4. Same as the above, this application does not guarantee the operation in all car models.