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 is carried out at a specialized shop, workmanlike performed and in compliance with manufacturer's specifications.
IMPORTANT
Installation of devices resulting in modifications of car characteristics may cause driving license seizing by traffic agents and also the lapse of the warranty as concerns defects due to the abovementioned modification or traceable back to it directly or indirectly.
Fiat Auto S.p.A. declines all responsibility for damages caused by the installation of non-genuine accessories or not recommended by Fiat Auto S.p.A. and installed not in compliance with the specified requirements.
See also:
Changing the battery
If required, replace the battery with a genuine spare part having the same specifications.
If a battery with different specifications is fitted, the service intervals given
in the “Service schedule ...
Incomplete door locking
The warning light on the dial turns on (on certain versions together with the
message on the display) when one or more doors, the boot (indication fitted on some
versions only) or the bonnet ...
If You Need Assistance
The manufacturer and its authorized dealers are vitally interested in your satisfaction.
We want you to be happy with our products and services.
Warranty service must be done by an authorized deale ...


