Porsche 928 ST1991 Owner's Manual page 45

Fog lights
With headlights on the fog lights can be turned
on or off by depressing the switch. The switch
is illuminated when the fog lights are on.
Zero button
This button is used to operate the stopwatch
and to reset the tripmeter I and II. The button
must be pressed for at least 2 seconds to
reset the tripmeter.
Tapping the button is sufficient for operating
the stopwatch.
(see also "Information system")
44
Light switch
Parking lights - 1st position
Headlights - 2nd position (with ignition on)
Tail lights, side marker lights, license plate
and instrument lights and the shift pattern
illumination for automatic
selector lever are on in both switch posi-
tions.
When you open the door while the lights are
on, the gong will sound. It is your reminder
to switch off the lights.
Instrument illumination
control
With headlights on, the brightness of the in-
strument illumination can be adjusted by
turning the thumbwheel on the left side un-
derneath the instrument cluster.
transmission