Alfa Romeo Spider 2008 Owner's Manual page 76

In the following table are summarised the causes that make front/rear ceiling lights turn on/off and their turning on/off
mode:
Cause
Opening one of the doors
Closing all the doors
Removing the electronic key from the ignition device
Locking the doors
Unlocking the doors
Cutting in of the fuel cut-off switch
In all the cases tabulated above, lights turning on/off is gradual, for 2 seconds.
Ceiling lights turning on/off mode
Light turning on for a few minutes. This timed operation will be
reactivated each time a door is opened
With electronic key removed from ignition device:
ceiling lights will stay on for other 10 seconds.
This timed operation is stopped when refitting
the electronic key into the ignition device
Starting the engine: light will turn off
Light turning on for about 10 seconds
Light turning off
Light turning on for about 10 seconds
Light turning on for a few minutes. Reactivating the
fuel cut-off switch will turn off the ceiling light.
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