106 Auxiliary heating X Press and hold the f temperature button until the maximum temperature is set ( Y page 99). X Press the E button repeatedly until the ж alarm symbol flashes in the display. Alarm function X Adjust the air-distribution switch and the air vents as desired ( Y page 99). X Press the , or . button. The switch-on time flashes in the display. X Adjust the airflow control as required while driving ( Y page 99). X Use the , or . button to set the time. When the switch-on time no longer flashes, the switch-on time of the alarm has been stored. Switching engine preheating on/off Climate control The engine can only be preheated if it is not running. X To switch on:
switch on the auxiliary heat- ing system ( Y page 102). X Press switch : . Indicator lamp ; in the switch lights up. The engine is preheated. X To switch from engine preheating to vehicle interior preheating: press switch = . Indicator lamp ; in the switch goes out. X To switch off: switch off auxiliary heating ( Y page 104). Indicator lamp ; in the switch goes out. or X Start the engine. Indicator lamp ; in the switch goes out. The vehicle interior is preheated.