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:
Electric windows
According to versions, power window controls can be set on the dashboard (in
central position) fig. 109, or on driver and passenger door panels fig. 109a. They
only work with ignition key at MAR.
...
Radio Operation And Mobile Phones
Under certain conditions, the mobile phone being on in your vehicle can cause
erratic or noisy performance from your radio. This condition may be lessened or
eliminated by relocating the mobile ph ...
External light failure
(amber)
The warning light turns on when one of the following lights is failing:
– sidelights
– brake lights (third brake light excluded)
– rear fog guards
– direction indicators
– numb ...