HANDBRAKE ON (red)
Turning the ignition key to MAR the warning light turns on, but it should go off after few seconds.
Low brake fluid level
The warning light turns on when the level of the brake fluid in the reservoir falls below the minimum level, due to possible leak in the circuit.
On certain versions the dedicated message is displayed.
If the warning light 
turns on
when traveling (on certain versions together with the message on the display) stop
the vehicle immediately and contact Fiat Dealership.
Handbrake on
The warning light turns on when the handbrake is on.
On certain versions, if the vehicle is moving the buzzer will also sound.
IMPORTANT If the warning light turns on when traveling, check that the handbrake is not engaged.
See also:
28. Tachometer
The white area of the scale shows the permissible engine revolutions-per-minute
(RPM x 1000) for each gear range.
Before reaching the red area, ease up on the accelerator to prevent engine damage. ...
General instructions for using the seat belts
The driver is responsible for respecting and enforcing the local rules and laws
regarding the use of seat belts.
Always fasten the seat belts before starting.
For maximum safety, keep the back of ...
Looking after the system
During the winter, the climate control system must be turned on at least once
a month for about ten minutes.
Have the system efficiency checked before the summer at a Fiat Dealership.
The system ...