Alfa Romeo 2016 4C Owner's Manual page 318

316 MAINTAINING YOUR VEHICLE
1 — Light Cover
2 — Light Protector
2. Open light protector (2) and replace the bulb.
3. Close protector on the lens.
4. Install luggage compartment roof light by inserting it
in its correct position, first on one side and then
pressing on the other side until it clicks into place.