The homologation number is printed directly on the key grip for the markets where this is required.
See also:
If an exterior light burns out
For the type of bulb and power rating, see “When needing to change a bulb”. ...
Duplicate keys
When additional keys are required, go to your Fiat Dealership taking all the
keys in your possession and the CODE card with you. The Fiat Dealership will store
the old and new keys (up to eight) i ...