Overview of THERMOTRONIC climate bar
The indicator lamps indicate that the corresponding function is activated.
Front climate bar on the central display (example)
Increases the temperature 
switching off the climate control More, 
switching the A/C function on/off More and 
synchronisation function More
Demists the windscreen 
Switches air-recirculation mode on/off More or 
Calls up the particulate status display MorePlug-in hybrid vehicles: 
Activates or deactivates pre-entry climate control
Activates or deactivates pre-entry climate control
Switches the rear window heater on/off
Increases the airflow or switches on climate control More
Reduces the temperature 
Sets climate control to automatic mode, right More
Calls up the air conditioning menu More
Sets climate control to automatic mode, left More
Reduces the airflow or switches off climate controlMoreThe climate bar is visible even when the vehicle is parked or the air conditioning is switched off More.
Vehicles with Distance Assist DISTRONIC: if Distance Assist DISTRONIC intervenes, the climate bar display on the central display is reduced.