When you shutdown the engine, the OBDuino detect it and save trip info in EEPROM, you can then switch off the board by unplugging it or put a switch on the +12V as I did.
There is 2 trips, one is used for tank and the other as a normal trip. Both can be monitored for fuel consumption, distance, fuel taken. For the tank trip it can also display the remaining distance you can drive on your tank.
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2013 Hyundai Sonata Hybrid
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