The warning light on the dial comes on (on certain versions together with the message on the display) when a failure is detected to one of the following lights: taillights, brake lights (3rd stop light excluded), rear fog lights, direction indicators.
The failure referring to these lights could be: one or more blown bulbs, a blown protection fuse or a cutoff electric connection.
Symbols 
(where provided) coming
on on the multifunction display indicate a left/right-hand light failure.
The warning light on the dial comes on (on certain versions together with the message on the display) when a failure is detected to one of the following lights: taillights, brake lights (3rd stop light excluded), rear fog lights, direction indicators.
The failure referring to these lights could be: one or more blown bulbs, a blown protection fuse or a cutoff electric connection.
Symbols 
(where provided) coming
on on the multifunction display indicate a left/right-hand light failure.
See also:
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;
❒ ...
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
...
Handbrake
The handbrake lever is located between the two front seats.
Pull the handbrake lever upwards until the car cannot be moved. Four or five
clicks are generally enough when the car is on level ground ...