Pull the lever towards the steering wheel (unstable position) regardless of the position of the knurled ring.
Instrument panel warning light 1will turn on.
See also:
Climatic comfort
Knob (D) directs the air inside the passenger compartment according to five levels:
air flow from central vents and side
outlets;
to warm the feet and keep the face cool
(“bilevel” function)
...
EOBD system
The EOBD system (European On Board Diagnosis) allows continuos diagnosis of the
components of the car correlated with emissions.
It also alerts the driver, by the turning on of the warning light
...
Driving style
Starting
Do not warm the engine with the car at a standstill or at idle or high speed:
under these conditions the engine warms up much more slowly, increasing electrical
consumption and emissions ...