Chevrolet TrailBlazer Owner's Manual page 165

TrailBlazer EXT
To operate the rear air conditioning system, the front air
conditioning system must be on. With the front air
conditioning system off, the rear system controls can
only be used to circulate air in the rear of the vehicle.
To activate the second row seat controls in the following
systems, set the fan knob, located on the front
console, to R.
To adjust the airflow
speed, turn the fan knob
(driver override switch),
located on the floor
console to 1, 2 or 3.
The rear mode and
temperature position
will now mimic the
front control system
mode and passenger
side temperature.
TrailBlazer EXT
Turn the knobs on the control panel to choose a fan
speed, temperature and direction of airflow.
H
(Panel): Selecting panel mode will deliver air to the
four headliner outlets.
)
(Bi-level): Selecting bi-level mode will deliver
warmer air to the third seat floor outlet and cooler air to
the headliner outlets.
6
(Floor): Selecting floor mode will deliver air to the
floor outlet located in the third seat area.
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