Turning the ignition key to MAR, the warning light
(if present) on the instrument panel
shall turn on but it should go off after a few seconds.
The warning light on the dial comes on (on certain versions together with the message on the display), with the knurled ring of the cruise control in the ON position, when the device starts to intervene on the engine.
See also:
Installation of electric / electronic devices
Electric/electronic devices installed after buying the car or in aftermarket
shall bear the and marking:
Fiat Auto S.p.A. authorizes the installation of transceivers provided that installation
...
Information about car conditions (at event)
❒ Trip computer information.
❒ Headlight aiming position display (with dipped beam headlights on) (C). ...