Fiat 500 Owner's Handbook Manual page 107

TYPES OF BULBS
Main beam headlights
Dipped beam headlight
Xenon gas discharge dipped beam headlights
Front side lights/daytime running lights
Front direction indicators
Front direction indicators (with xenon gas discharge bulbs)
Side direction indicators
Rear direction indicators
Rear side lights / brake
Reversing, rear fog light
Roof light
Luggage compartment roof light
Number plate light
Fog lights
Third brake light
Bulbs Type
H7
H7
D1S
W21W / LL 5 W/21W
PY24W / WY21W
PY24W
W5W
PY21W
P21 / 5W
W16W
C5W
W5W
C5W
H3
W5W
Power
55W
55W
35W
21W
24W
5W
21W
10W
21W
5W
5W
5W
55W
5W
105