Fiat 500 – bulbs specification
Interior lights
| Interior lights | Bulb type |
| Overhead lamp | C5W |
| Courtesy lamp | W5W |
Exterior lights
| Exterior lights | Bulv type |
| Front low and high beam headlamp | HIR2 |
| Front Parking/Daytime Running Lamps | W21/5W |
| Front Fog lamps | H11 |
| Front Side Marker Lamps | W3W |
| Front Turn Signal Lamps | WY21W |
| Side Direction Lamps | W5W |
| Rear Turn Signal Lamps | PY21W |
| Rear Side Marker Lamps | W3W |
| Rear Tail and Stop Lamps | P21W/5W |
| Rear Backup Lamps | W16W |
| Center High Mounted Stop Lamp | W5W |
| License Plate Lamps | LED |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.