1) Ensure that the handbrake is up.
2) Put the gear lever into neutral.
3) Press the clutch pedal fully down, without pressing the accelerator.
4) Turn the ignition key to AVV and let it go the moment the engine starts.
If the engine does not start at the first attempt, return the ignition key to STOP before trying to start the engine again.
If the warning lights 
stay on when
the ignition key is at MAR, turn the key to STOP and then to MAR again; if the warning
light stays on, try with the other keys provided.
If you are still unable to start the engine, perform the emergency start-up procedure (see section “In an emergency”) and go to a Fiat Dealership.
IMPORTANT
Never leave the ignition key at MAR when the engine is off.
See also:
Rain sensor
The rain sensor is behind the driving mirror in contact with the windscreen and
has the purpose of automatically adjust, during the intermittent operation, the
frequency of the windscreen wiper ...
Performance
Top admitted speed after initial car use in km/h.
...
Starting procedure for petrol versions
Proceed as follows:
❒ Ensure that the handbrake is up;
❒ Put the gear lever into neutral;
❒ Press the clutch pedal down to the floor without touching the accelerator;
❒ ...