Driving
5.6 Heating and air-conditioning system
Operating Instructions GMK5250L 3 302 633 en 5 - 69
27.09.2017
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 the warm position.
• Switch (1) on the recirculated air symbol,
level 1.
• Open the air vents; à p. 5 - 64.
• Knob (3) pressed.
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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