Engine Preheating - Mercedes-Benz Unimog Operating Instructions Manual

Auxiliary heating
106
X
Press and hold the f temperature button
until the maximum temperature is set
( Y page 99).
X
Adjust the air-distribution switch and the
air vents as desired (
X
Adjust the airflow control as required while
driving ( Y page 99).
Switching engine preheating on/off
The engine can only be preheated if it is not
running.
X
To switch on: switch on the auxiliary heat-
ing system ( Y
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.
Y page 99).
page 102).
Alarm function
X
Press the E button repeatedly until the
æ alarm symbol flashes in the display.
X
Press the , or . button.
The switch-on time flashes in the display.
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.