Turning the ignition key to MAR the warning light on the dial turns on, but it should go off after few seconds.
If the warning light stays on (on certain versions together with the message on the display), you will not have steering assistance and the effort on the steering wheel will be increased, steering is however possible. Contact Fiat Dealership.
See also:
Boot light
To replace the bulb:
1) Remove the lens A-fig. 39 as shown by the arrow.
2) Open the bulb holder B and remove the bulb C (clipped in).
...
Partitions
Fixed panel partition
Certain Fiat Doblò Cargo paneled versions fit a fully paneled partition.
Fixed partition with window
Certain Fiat Doblò Cargo paneled versions fit a fixed panel ...
Deactivation
Turn the ignition key to STOP.
At the following starting operation (key at MAR), the sensor will not be reactivated
even is the stalk is on (B). In this event, to activate the rain sensor, you have ...