System test during operation

This function is used to test the retarder's different signals.
Note:
During the test the vehicle should be driven at approx. 30 km/h.
Test conditions:
Procedure:
  1. Lansaţi funcţia.
  2. Check test conditions.
  3. Drive the vehicle at approx. 30 km/h and press "OK".
  4. Stop the vehicle.
  5. Check the status.
  6. Function complete.