Each function can be displayed in turn by pressing the button on the right combination lever of the car. If the battery is disconnected, the trip computer does not work because it loses all the data collected. After connection, the indicator lights up and the starting handle located on the speedometer must be set clockwise to the "0" mark. You can find other installation instructions in its extensive operating instructions.
Note: Recommendation: the search for an error on the on-board computer is so extensive and expensive that it is better to contact a car repair shop with appropriately trained personnel before you damage the electronic components with unqualified intervention.
Original publication on the portal: renaultbook.ru