Headlamp levelling

This function is used to control/adjust the angle of the headlights.
Note:
The purpose of this function is to check that the headlights moves vertically.
The headlights moves vertically by a selected value in the list.
Test conditions:
Procedure:
  1. Start the function.
  2. Follow the instructions in the program.
  3. A dialogue box will present the value stored in the control unit.
  4. Select desired configuration in the displayed scroll list.
  5. A dialog box presents the new value.
  6. Select reset from the list to return to the headlights zero position.