User Manual - Page 133

For 1997 OLDSMOBILE ACHIEVA.

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BI-LEV:
Use on cool, but sunny days. This setting
brings in the outside air, but directs
it
in two ways. The
cool air is directed to the upper portion of your body
through the instrument panel outlets, but slightly
warmer air is directed through the heater ducts and
defroster vents. At times this temperature difference
may be more apparent than others.
The air conditioner compressor
is
enabled in all three air
conditioning positions.
VENT
Use when outside temperatures are mild, and
little heating or cooling is needed. Airflow comes
through the instrument panel outlets. Set the center
control knob to the temperature desired.
HEAT
This setting brings heated air through the heater
ducts, and some through the windshield defroster vents.
If you have the optional engine coolant heater (engine
block heater) and use it during cold weather,
0°F
(-
18
O
C)
or lower, your heating system will more quickly
provide heat because the engine coolant is already
warmed. See “Engine Coolant Heater” in the Index.
DEFOG:
This setting divides airflow equally between
the heater ducts and the windshield defroster vents.
DEF:
This setting directs air through the
windshield defroster vents located on top
of
the
instrument panel.
Air
Conditioning
The air conditioner and heater work best if you keep
your windows closed while using them. Your vehicle
also has the flow-through ventilation system described
later in this section.
Your system has three air conditioner settings in
addition to the standard climate control system. Before
using your air conditioner on very hot days, open the
windows long enough
to
let hot inside air escape. This
reduces the amount
of
work your air conditioner’s
compressor will have to do, which should help
fuel economy.
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