Porsche 928 1982 Owner's Manual page 13

Interior lights
Dome lights
The dome lights have a built in rocker switch
which is operated by tilting the lamp lens as
follows:
a - light on continuously
b - light off
c - light on with front doors or hatchback open.
12
Door courtesy lights
Switch positions for the lower door panel lights
are as follows:
a - light on with front doors or hatchback open
b - light off
c - light on continuously.
Luggage compartment light
The luggage compartment light is located on
the hatchback. The three switch positions are:
a - light on with front doors or hatchback open
b - light off
c - light on continuously.