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:
Child Restraints
Everyone in your vehicle needs to be buckled up at all times, including babies
and children. Every state in the United States, and all Canadian provinces, require
that small children ride in prope ...
Brake System
In order to assure brake system performance, all brake system components should
be inspected periodically.
Refer to the “Maintenance Schedule” for the proper maintenance intervals.
WARNING!
Ridi ...
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 ...