Chevrolet 1998 C/K Full-Size Pickup Owner's Manual page 162

Comfort Controls
Heater Control System
Fan Knob
The knob on the left side of the heating system control
panel controls the fan speed. The knob has four speed
positions. To increase airflow, move the knob toward
HI. To decrease airflow, move it toward LO. To turn the
fan off, move the knob to OFF.
Temperature Knob
The middle
knob on
the control panel lets you select the
relative temperature
of
the
air
flowing
into
the passenger
area
of your
vehicle. This knob will allow you to adjust
the relative a i r temperature independently of the
function knob setting.
Move the knob to the right,
toward the red area for warmer air. Move the knob to the
left, toward the blue area for cooler air.
Mode Knob
The right knob on the control panel allows you to
choose the direction of air delivery. The control knob
can be placed in any position between two mode settings
to blend the flow of air.
+e
/ I I
VENT
This setting directs air through the
instrument panel outlets.
+#
VENT/HEAT
Use this setting to divide airflow
between the
floor
outlets and instrument panel outlets.
- b e
HEATER: This setting directs air through the
floor outlets.
3-2