Highbeam On Light; Service Four-Wheel Drive Warning Light; Check Gages Warning Light; Gate Ajar Light - Chevrolet 2008 TrailBlazer Owner's Manual

Highbeam On Light

See Headlamp High/Low-Beam Changer on page 3-8
for more information.
Service Four-Wheel Drive
Warning Light
The service four-wheel drive light comes on, except
for the SS model, to indicate that there may be a
problem with the drive system and service is required.
Malfunctions can be indicated by the system before
any problem is apparent, which may prevent serious
This light comes on when
the high-beam headlamps
are in use.
This light should come on
briefly when you turn on
the ignition, as a check to
show you it is working.
damage to the vehicle. This system is also designed
to assist your GM dealer in correctly diagnosing a
malfunction.

Check Gages Warning Light

If the light comes on and stays on while you are driving,
check your coolant temperature and engine oil
pressure gages to see if they are in the warning zones.

Gate Ajar Light

Close the liftgate or liftglass. Never drive with the liftgate
or liftglass even partially open.
The check gages light will
come on briefly when you
are starting the engine.
If this light comes on, the
liftgate or liftglass is not
completely shut.
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