L'eccedenza del deposito può essere ridotta a zero?

Yes,
if you select Premium insurance option your deposit for excess will be reduced to zero.

Please have a note, even you take Premium insurance we will pre-authorized deposit for:
Parking, and traffic violation related fees: We will pre-authorize an additional 120 Eur for parking and traffic violation related fees. This will be automatically released if there no parking or traffic violations during the rental period.

Aggiornato il: 05/10/2020