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:
Parking sensors
The parking system detects and informs the driver (through an intermittent acoustic
signal) about the presence of obstacles in the rear part of the car. ...
Loose Fuel Filler Cap Message
After fuel has been added, the vehicle diagnostic system can determine if the
fuel filler cap is possibly loose, improperly installed, or damaged. If the system
detects a malfunction, the “gASCAP” ...
“Consumption unit” (Consump.)
This function enables to select the unit of measure for fuel consumption (km/l,
l/100 km or mpg) according to the previously set distance unit (km or mi, see previous
paragraph “Distance unit”). T ...