Exhaust Brake Indicator Light - GMC 2003 C4C042 Owner's Manual

Exhaust Brake Indicator Light

(If Equipped)
The exhaust brake indicator light will come on and stay
on whenever the diesel engine exhaust brake or exhaust
restrictor is active. For more information, see "Diesel
Engine Exhaust Brake" in the Index.
If your vehicle is equipped
with an exhaust brake, you
will have this light, located
above the comfort controls
in the center of the
instrument panel.
Diff Lock Indicator Light (If Equipped)
The light will come on momentarily during starting.
If the light fails to come on, have it repaired as soon
as possible so you will be aware when the lock system
is in use.
This light located in the
center of the instrument
panel is on when the
-
inter axle differential
lock system is in use.
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