154 Climate c ontrolClimate controlPicture no: 17930t.tifHeating and ventilation system,air conditioning system 3Ventilation, heating and cooling 3 a recombined into one unit that is d esigned toprov ide com fort regardless of the season,weather or outside temperature.When cooling 3 is activated, the air iscooled and dried.The heating unit heats the air a s required inall operating m od es depending on theposition of the tempera ture sw itc h.The air supply ca n be adjusted to suitrequirements by means of the fan.Picture no: 17142t.tifThe buttons for cooling n and airrecirc ulation 4 are only found onversions with optional air conditioningsystem 3.Air conditioning system 3 - seepag es 161, 163.Heating and ventila tion system, aircond itioning system 3 ... ..... .... .... ..... . 154Autom atic air conditioning sy stem 3 155Electronic climate control system 3 .. . 155Air vents .. .... .... ..... .... ..... .... ..... .... .... ..... . 156Air vents .. .... .... ..... .... ..... .... ..... .... .... ..... . 156Cooled glove compartment 3 .. .... ..... . 156Heated rear window 3, heatedex terior mirrors 3 .. ..... .... ..... .... .... ..... . 157Heated front seats 3 .... .... ..... .... .... ..... . 157Heating and ventila tion system ... ..... . 158Air conditioning system 3 ..... .... .... ..... . 161Autom atic air conditioning sy stem 3 163Electronic climate control system 3 .. . 168Air intake . .... .... ..... .... ..... .... ..... .... .... ..... . 174Pollen filter .. .... ..... .... ..... .... ..... .... .... ..... . 174Note .... ..... .... .... ..... .... ..... .... ..... .... .... ..... . 174Maintenance ... ..... .... ..... .... ..... .... .... ..... . 175