Daytime Running Lamps Indicator Light - GMC Sierra 3500HD 2001 Owner's Manual

Up Shift Light (If Equipped)
The SHIFT indicator light will help you get the best fuel
economy. See "Shift Light" or "Shift Speeds" in this
section for more information.

Daytime Running Lamps Indicator Light

When it begins to get dark, the DRL indicator light
comes on as a reminder to turn on your headlamps.
This light is used on models
with manual transmissions.
This light goes on whenever
the DRL are on.
Check Gages Light
If the light comes on and stays on while you are driving,
it could indicate a problem with your vehicle. It could be
a problem with your oil pressure, coolant temperature,
or some other problem. Check your various gages to see
if they are in the warning zones. If they are, have your
vehicle serviced right away.
This light will come on
briefly when you are
starting the engine.
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