PIWIS Tester 3 9900
- Start the PIWIS Tester 3 (9900) and start it. Switch on ignition.
- Select the vehicle type if required.
- Select the INSTRUMENT CLUSTER menu. Press F12 to continue.
- Select the MAINTENANCE/REPAIRS menu.
- Select the RESET SERVICE INTERVAL menu. Press F12 to continue.
- Select the maintenance work that was carried out (tick the relevant boxes). Press F12 to continue.
- Select the engine variant and start the RESET function by pressing F8. Press F12 to continue.
- Press F11 to exit the menu.