Chevrolet 1995 Blazer Owner's Manual page 10

These symbols are used on warning and indicator lights:
Engine Coolant
Temperature
I
BRAKE
Brake
Battery Charging
System
1
Fuel
SHIFT
Shift Light
1
ANTI-LOCK
I
Anti-Lock
Brake
Here are some other symbols you may see:
Fuse Lighter
I-
I -
Horn
L
Engine Oil
Pressure
Hood
Release
Vlll
...