First, make sure that your vehicle is eligible to Ubigi services: Which Fiat 500 is eligible to Ubigi services?
If your vehicle is eligible to Ubigi services, you need to activate the WiFi hotspot in your car and create your Ubigi account to access the connected services:
–How do I activate the WiFi services in my Fiat New 500?
–How to create my Ubigi account in my Fiat New 500?
Once the WiFi hotspot activated, you will be able to create your own personal account with your own details. If you see that previous owner’s personal account is still active, you must contact Customer Service to request this account to be deleted in accordance with local country regulations.