The basic setting is used to inform the control unit that additive has been refueled.
Use this function only when the additive tank is refueled.
Test prerequisites:
Ignition on, engine off.
All electrical loads should be switched off.
Battery voltage above 12 Volts.
Procedure:
Start the function.
A dialog box presents: operation succeeded/failed.
If the tank has been empty, it is also necessary to refill the hose with additive.