Dacia Logan 2018 Service Reset After Oil Change 

What you have to do ?
1 Connect OBD2 to your car's computer
2 Turn On Ignition Key to Position 2
3 Turn On Bluetooth on your Smartphone/Tablet
3 Open Dacia Service Reset App and Click Connect
4 Turn Off Internet Connection on Your Smartphone/Tablet
5 Click RESET Button. If nothing happened, Click it Again. You should see the Dashboard lights flashing one time and the Service Light goes Off.
Done.