Button for climate comfort retention in thetab in the climate view.
Open the climate view in the centre display.
Select the Parking climate tab.
Press Keep climate comfort.
Climate comfort retention is started/switched off and the button illuminates/extinguishes.
If there is not enough residual heat in the engine to maintain the passenger compartment climate then it is not possible to start climate comfort retention.
Climate comfort retention is switched off when the car is locked from the outside to avoid using residual heat unnecessarily. Use of the function is intended to maintain climate comfort when driver or passengers remain inside the car.