The arrows will flash in unison with the exterior turn signal, when using the turn signal lever.
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). ...
TIREFIT Usage Precautions
• Replace the TIREFIT Sealant Bottle (1) and Sealant Hose (6) prior to the expiration
date (printed on the bottle label) to assure optimum operation of the system.
Refer to “Sealing a Tire with TIR ...