Driving
5.6 Heating and air-conditioning system
5 - 76 3 112 993 en Operating manual GMK 6400
12.07.2013
Preheating the
driver's cab
Adjust the heating system as follows if the driver's cab is to be preheated in
addition to the engine:
• Switch (2) to Warm setting.
• Switch (1) on the Recirculated air symbol,
level 1.
• Open the air vents; à p. 5 - 71.
• Button (3) pulled.
If you heat the driver's cab at the same time,
the amount of time required to preheat the
engine will increase significantly.
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