Chevrolet 1994 Astro Passenger Owner's Manual page 104

Headlights-On Reminder
If you have this option, a reminder tone will sound when your headlights
are
turned on and your ignition is in OFF, LOCK or ACC. To turn the tone off,
press the OFF switch.
Dome Lights
Reading Lights
The dome lights may
come on when you
open any of the doors.
You can also turn on
the dome lights by
turning the dimmer
dial to the right until it
clicks.
You may have the
optional reading lights
next to the dome
lights. Turn the lights
on and off by pressing
the switch next to the
light.
You can adjust the lights to any desired position by rotating the lamp and
they will work when the ignition is on or off. Be sure to turn the lights off
before you leave the vehicle.
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