Turning the key to MAR the warning light on the dial turns on, but it should go off as soon as the engine is started.
If the 
warning light turns on when
the car is travelling (on certain versions together with the message on the display),
stop the engine immediately and contact a Fiat Dealership.
See also:
ASR system
It’s a function of ESP system and controls the vehicle drive and cuts in automatically
every time one or both driving wheels slip.
In slipping conditions, two different control systems are activate ...
Parking
Switch off the engine, pull up the handbrake and engage a gear (1st gear or reverse,
according to whether the vehicle is facing up or downhill) and leave the wheels
turned. If the vehicle is left ...
Radial-Ply Tires
WARNING!
Combining radial-ply tires with other types of tires on your vehicle will
cause your vehicle to handle poorly. The instability could cause an accident. Always
use radial-ply tires in se ...