If the fuel-driven auxiliary heater is deactivated, the diesel engine will start more frequently in order to meet the need for heat in drive mode PURE or HYBRID, i.e. electrical operation will be restricted.
Press OK, see Menu navigation - combined instrument panel, to access the menu.
Scroll with the thumbwheel to Settings and select with OK.
Select one of the alternatives Auto heater ON or Auto heater OFF using the thumbwheel and confirm with OK.
Exit the menu with RESET.