Driving
5.6 Heating and air-conditioning system
5 - 74 3 112 993 en Operating manual GMK 6400
12.07.2013
Cooling The illustration only shows one sample setting. Always adjust the setting to
the current conditions.
• Switch the air conditioning on – the lamp (4) lights up.
• Turn the switch (3) as far as it will go, to Cold.
• Turn the switch (1) to the desired level – with recirculating air, you will be
able to cool more quickly, but no oxygen is fed in.
• Set the air distribution with switch (2) – open the air vents if necessary;
à p. 5 - 71.
Drying You can dry the air in the driver's cab.
• Switch the air conditioning on – the lamp (4) lights up.
• Turn the switch (3) as far as it will go, to Warm.
• Turn the switch (1) to the desired level – adjust the fresh air/recirculating
air setting to the current conditions (humidity and temperature of the out-
side air).
• Set the air distribution with switch (2) – open the air vents if necessary;
à p. 5 - 71.
When drying, the air conditioning system and the heating system work
against each other. After drying, switch off the device that you do not
require.
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