Switching on
The cooler can be operated at two levels.
1. Switch on the ignition.
2. 
Press the button once for
each cooling
level.
The highest cooling power is active when two LEDs are lit.
If the cooler was switched on the last time the ignition was switched on, it will likewise be switched on the next time the ignition is switched on.
See also:
Displays in the instrument cluster
Indicator lamp
Depending on how the vehicle is
equipped,
the indicator lamp in the instrument
cluster indicates whether the system is
switched on.
Desired speed
▷ The marking light ...
Engine and differential
Always obey the official speed limit.
Up to 1,200 miles/2,000 km
Do not exceed the maximum engine and road
speed:
▷ For gasoline engine, 4,500 rpm and
100 mph/160 km/h.
Avoid full-thrott ...
Adjusting
Vehicle
Equipment
...