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GMC YUKON XL 2004 - Malfunction Indicator Lamp; Tire Pressure Light; Check Engine Light

GMC YUKON XL 2004
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Tire Pressure Light
If your vehicle is equipped
with the Tire Pressure
Monitor system, this light
will come on if the
system detects low tire
pressure.
A CHECK TIRE PRESSURE DIC message will
accompany the light.
This light will also come on for a bulb check when the
vehicle is started.
See Tire Pressure Monitor System on page 5-73 for
more information.
For more information on the proper tire pressure, see
Loading Your Vehicle on page 4-56. For more
information on your tires, see Tires on page 5-63.
Malfunction Indicator Lamp
Check Engine Light
Your vehicle is equipped
with a computer which
monitors operation of the
fuel, ignition and emission
control systems.
This system is called OBD II (On-Board
Diagnostics-Second Generation) and is intended to
assure that emissions are at acceptable levels for the
life of the vehicle, helping to produce a cleaner
environment.
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