GMC 1999 Sierra 1500 Pickup Owner's Manual page 13

These symbols have to do with your lights:
Master Lighting
Switch
p t
Parking 1.ight.s
Turn Signal
Direction
Hazard Warning
Flasher
Heao'lighr
High Beam
#O
Daytime
Running Lfghts
Fog Llghts
0
I
L
Off
These symbols are on
some
of your
controls:
Windshield
Wiper
3f
Windshield
Washer
1
I L 1
Windshield
Rear Window
Defroster
Defogger
Ventilating f a n
Air Vents
0-5
PO596