The warning light on the dial comes on when a failure is detected.
See also:
Interior Fuses
The interior fuse panel is part of the Body Control Module (BCM) and is located
on the driver’s side under the instrument panel.
Fuse Panel
...
Speedometer (speed indicator)
It indicates the car speed. ...
Dynamic and distinguished
The new 2012 Fiat Punto maintains the model's instantly recognisable and
dynamic shape but it's been made even more elegant and characterful thanks to a
host of detail changes, inside and out.
O ...