Air conditioner PONTIAC FIREBIRD 2000 Owners Manual

3-2
Comfort Controls
With this system, you can control the heating, air
conditioning and ventilation in your vehicle.
Your vehicle also has the flow
-through ventilation
system described later in this section.
Fan Control Knob
Turn the fan knob to select the force of air
you want.Temperature Control Knob
Turn the center knob to change the temperature of the air
flowing from the system. Turn it toward the red (clockwise)
for warmer air and toward the blue (counterclockwise)
for cooler air.
Air Control Knob
OFF: The system is off.
MAX: This setting provides maximum cooling or quick
cool
-down on very hot days. This setting recirculates
most of the air inside your vehicle. If it is used for long
periods of time the air may become dry. This setting
directs air through the upper air vents.
A/C: Use A/C for normal cooling on hot days. This
setting cools outside air and directs it through the upper
air vents.
The air conditioner compressor operates in MAX, A/C,
bi
-level, blend and defrost when the outside temperature
is above freezing. When the air conditioner is on, you
may sometimes notice slight changes in your vehicle's
engine speed and power due to the operation of
the compressor.

3-3
BI-LEVEL: Air is directed through the upper air
vents and the heater ducts.
VENT: Air flows through the upper air vents.
HEATER: This setting directs most of the air
through the heater ducts and some of the air through the
windshield defroster vents.
BLEND: Air is directed through the windshield
defroster vents and the heater ducts.
DEFROST: This setting directs most of the air
through the windshield defroster vents and some of the
air through the heater ducts.
Cooling
The air conditioner works best if you keep your
windows closed. On very hot days, open the windows
just long enough for the hot air to escape.
1. Turn the air control knob to A/C for normal cooling.
For faster cooling, turn the knob to MAX.
2. Turn the temperature control knob to a
comfortable setting.
3. Turn the fan control knob to the desired speed.
Heating
The heater works best if you keep your windows closed
while using it.
1. Turn the air control knob to heater.
2. Turn the fan control knob to the desired speed.
3. Turn the temperature control knob to a
comfortable setting.
During initial start
-up only, if your vehicle is equipped
with an optional engine coolant heater, you can use it in
cold weather (around +20
F/
-8
C or lower) to improve
heater performance on initial start up. See ªEngine
Coolant Heaterº in the Index.
Bi
-Level Heating
You may want to use bi
-level heating on cool, but sunny
days. This setting directs cool air toward your body and
warmer air toward your feet.
1. Turn the air control knob to bi
-level.
2. Turn the temperature control knob to a
comfortable setting.
3. Turn the fan control knob to the desired speed.

5-10
NOTICE:
If your engine catches fire because you keep
driving with no coolant, your vehicle can be
badly damaged. The costly repairs would not be
covered by your warranty. See ªOverheated
Engine Protection Operating Modeº in the Index.
If No Steam Is Coming From Your Engine
If you get an engine overheat warning but see or hear no
steam, the problem may not be too serious. Sometimes
the engine can get a little too hot when you:

Climb a long hill on a hot day.

Stop after high
-speed driving.

Idle for long periods in traffic.

Tow a trailer.If you get the overheat warning with no sign of steam,
try this for a minute or so:
1. If your air conditioner is on, turn it off.
2. Turn on your heater to full hot at the highest fan
speed and open the window as necessary.
3. If you're in a traffic jam, shift to NEUTRAL (N);
otherwise, shift to the highest gear while
driving
-- AUTOMATIC OVERDRIVE (D) or
THIRD (3) for automatic transmissions.
If you no longer have the overheat warning, you can
drive. Just to be safe, drive slower for about 10 minutes.
If the warning doesn't come back on, you can
drive normally.
If the warning continues, pull over, stop, and park your
vehicle right away.
If there's still no sign of steam, idle the engine for
three minutes while you're parked. If you still have the
warning, turn off the engine and get everyone out of
the vehicle until it cools down. Also, see ªOverheated
Engine Protection Operating Modeº listed previously
in this section.
You may decide not to lift the hood but to get service
help right away.