If there is a fault, the error message will appear in the instrument cluster dis-  
					Switch off the fog lights/rear fog lights in reverse order.  
					play. Seek help from a specialist garage.  
					Note  
					WARNING  
					If an accessory is connected to the trailer socket, the rear fog lamp does not  
					light up on the vehicle.  
					The system is used only for support, thus the driver is not released from his  
					obligation to manually adjust the main or low beam according to the given  
					ambient conditions (e.g. in unfavourable lighting and weather conditions, as  
					when passing poorly lit road users, if necessary, when the area in front of  
					the sensor is covered by an obstacle).  
					Fog lights with CORNER function  
					The CORNER function automatically switches on the fog lights on the respec-  
					tive side of the vehicle (e.g. when cornering or steering), if the following condi-  
					tions are fulfilled.  
					CAUTION  
					
					The turn signal is turned on or the front wheels are severely locked (in the  
					event of conflict between the two versions, has turn signal has the higher  
					priority).  
					Do not cover the sensor and keep the front screen clean - system functionality  
					can be impaired.  
					
					
					
					The vehicle speed is below 40 km/h.  
					The low beam is switched on.  
					The fog lights are not switched on.  
					Note  
					The setting for the high-beam assistant in Infotainment is stored (depending  
					on the Infotainment type) in the active user account for personalisation  
					» page 56.  
					The two fog lights are switched on when you shift into the reverse gear.  
					Fog lights/rear fog light  
					COMING HOME / LEAVING HOME  
					The function COMING HOME ensures that the vehicle's environment is illumi-  
					nated after switching off the ignition and opening the driver's door.  
					Fig. 65  
					Light switch – switch on front  
					and rear fog lights  
					The function LEAVING HOME ensures that the vehicle's environment is illumi-  
					nated after unlocking the vehicle with the radio remote control unit.  
					The function switches the light on only if there is poorer visibility and the light  
					switch is in the position .  
					  
					The two functions can be used in Infotainment in the menu  
					/  →  → Light  
					(activated/deactivated and adjusted).  
					Switching on the fog lights/rear fog lights is possible under the following  
					conditions.  
					CAUTION  
					■
					Poorer visibility is evaluated by a sensor mounted below the windscreen in  
					the holder of the rear-view mirror. Do not cover the sensor - the system can  
					be affected.  
					
					The lights switch is in position ,  or  » Fig. 65.   
					1
					To switch on the fog lights, turn the light switch to position ; the warning  
					light  illuminates in the instrument cluster.  
					To switch on the rear fog lights, pull the light switch to position ; the  
					›
					■
					If this option is always enabled, then the battery is heavily loaded.  
					2
					›
					warning light  illuminates in the instrument cluster.  
					Note  
					The setting of the two functions is stored (depending on the Infotainment  
					type) in the active user account personalisation » page 56.  
					If the vehicle is not equipped with fog lights, the rear fog lights can be switch-  
					ed on by pulling the light switch to the only possible setting.  
					74  
					Operation