Chevrolet 1994 Blazer Owner's Manual page 106

If
the
DRL
indicator light
is on
at dawn or dusk, it is a reminder to turn on
your headlights.
Of course, you may still turn on the headlights any time you need to.
To idle your vehicle with the DRL off, set the parking brake. The DRL will
stay off until you release the parking brake.
Headlights-On Reminder
A reminder tone will sound when your headlights or parking lights are
turned on and your ignition is in OFF, LOCK or ACC. To turn the tone off,
turn the dimmer switch all the way to the left.
Dome Lights
The dome lights will
come on when you
open the side doors.
You can also turn the
dome light on by
turning the dimmer
switch to the right
until it clicks.
I
The rear dome light
has a switch that lets
you turn it on from the
rear of the vehicle. Be
sure you turn it off
when you are finished.
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