1. Start your car.
2. Ensure that the seatbelt is unbuckled.
3. Press the 'MENU' button on your car's dashboard.
4. Use your wheel's rotary controller to scroll and enter the 'Vehicle' menu.
5. In the 'Vehicle' menu, scroll to the 'Seat Belt Reminder' option and select it.
6. Toggle the 'Seat Belt Reminder' option to 'Off'.
7. Press the 'MENU' button again to save your changes. The seat belt chime is now deactivated.