1999 CHEVROLET MONTE CARLO Owners Manual

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2-59 Oil Warning Light
If you have a problem with
your oil, this light may stay
on after you start your
engine, or come on when
you are driving.
This indicates that oil is not going through your engine
quickly enough to keep it lubricated. The engine could
be low on oil or could have some other oil problem.
Have it fixed right away.
The oil light could also come on in two other situations:

When the ignition is on but the engine is not running,
the light will come on as a test to show you it is
working, but the light will go out when you turn the
ignition to START. If it doesn't come on with the
ignition on, you may have a problem with the fuse or
bulb. Have it fixed right away.

If you make a hard stop, the light may come on for a
moment. This is normal.CAUTION:
Don't keep driving if the oil pressure is low. If
you do, your engine can become so hot that it
catches fire. You or others could be burned.
Check your oil as soon as possible and have your
vehicle serviced.
NOTICE:
Damage to your engine from neglected oil
problems can be costly and is not covered by
your warranty.

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2-60 Low Oil Level Light
Your engine is equipped
with an oil level monitoring
system. When the ignition
key is turned on, the LOW
OIL light will briefly flash.
If the light does not flash, have it fixed so it will be
ready to warn you if there's a problem.
If the light stays on, stop the vehicle on a level surface
and turn the engine off. Check the oil level using the
engine oil dipstick. (See ªEngine Oilº in the Index.) If
the light does not flash, have the low oil level sensor
system repaired so it will be ready to warn you if there's
a problem.
The oil level monitoring system only checks the oil level
during the brief period between key on and engine
crank. It does not monitor the engine oil level when the
engine is running. Additionally, an oil level check is
only performed if the engine has been turned off for a
considerable period of time, allowing the oil normally in
circulation to drain back into the oil pan.
Change Oil Soon Light
The CHG OIL SOON light
should come on briefly as a
bulb check when you start
the engine. If the light
doesn't come on, have
it serviced.
If the CHG OIL SOON light comes on and stays on
after you start the engine, have the oil changed.
For additional information, see ªEngine Oil, When to
Changeº in the Index. To reset the Oil Life Monitor, see
ªEngine Oil Life Monitorº in the Index.

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2-61 Security Light
This light will come on
when you turn the key to
START and stay on until the
vehicle starts.
It will also come on and stay on if your key is too dirty
or wet for the PASS
-Key
II system to read the
resistor pellet.
If the resistor pellet is damaged or missing, the light
will flash.
If you're driving and the light comes on and remains on,
your PASS
-Key II system is not working properly. Your
vehicle is not protected by PASS
-Key II, and you should
see your dealer.
Fuel Gage
Your fuel gage tells you
about how much fuel you
have left when the ignition
is on. When the indicator
nears EMPTY (E), you still
have a little fuel left, but
you should get more soon.
Here are four things that some owners ask about. All
these things are normal and do not indicate that anything
is wrong with the fuel gage.

At the gas station, the gas pump shuts off before the
gage reads FULL (F).

It takes more (or less) fuel to fill up than the gage
reads. For example, the gage reads half full, but it took
more (or less) than half of the tank's capacity to fill it.

The gage pointer may move while cornering, braking
or speeding up.

The gage may not indicate EMPTY (E) when the
ignition is turned off.

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2-62
-NOTES

3-
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3-1
Section 3 Comfort Controls and Audio Systems
In this section, you'll find out how to operate the comfort control and audio systems offered with your vehicle. Be
sure to read about the particular systems supplied with your vehicle.
3
-2 Comfort Controls
3
-3 Air Conditioning
3
-4 Heating
3
-4 Defogging and Defrosting
3
-4 Rear Window Defogger
3
-5 Ventilation System
3
-6 Audio Systems
3
-6 Setting the Clock for Systems with
Automatic Tone Control
3
-6AM-FM Stereo with Cassette Tape Player
and Automatic Tone Control3
-11 AM-FM Stereo with Compact Disc Player
and Automatic Tone Control (If Equipped)
3
-15 Theft-Deterrent Feature
3
-17 Audio Steering Wheel Controls (If Equipped)
3
-17 Understanding Radio Reception
3
-18 Tips About Your Audio System
3
-19 Care of Your Cassette Tape Player
3
-20 Care of Your Compact Discs
3
-20 Care of Your Compact Disc Player
3
-20 Fixed Mast Antenna

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3-2
Comfort Controls
Air Conditioning with Electronic Controls
With these systems, you can control the heating, cooling
and ventilation in your vehicle. The systems work best if
you keep your windows closed while using them.
Fan Knob
The right knob with the fan symbol controls the force of
air you want. To turn the fan off, turn the knob to ªO.º
Temperature Control
If your system does not have the auxiliary temperature
control option, the center knob changes the temperature
of the air coming through the system. Turn this knob
toward red (clockwise) for warmer air. Turn it toward
blue (counterclockwise) for cooler air.
If your system does have the auxiliary temperature
control option, the center levers change the temperature
of the air coming through the system. The DRIV lever
sets the temperature for the driver and rear seat
passengers, and the PASS lever sets the temperature for
the front seat passenger. For maximum defroster
performance, set the DRIV and PASS levers at
full warm.

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3-3
Mode Knob
The left knob has several settings to control the direction
of airflow. For each setting, set the temperature to a
comfortable setting.
MAX: This setting recirculates much of the air inside
your vehicle and sends it through the instrument panel
outlets. The air conditioning compressor will run
automatically in this setting unless the outside
temperature is below 40
F (4.5
C). (Even when the
compressor is running, you can control the temperature).
A/C: This setting brings in outside air and directs
it through the instrument panel outlets. The air
conditioning compressor will run automatically in
this setting unless the outside temperature is below
40
F (4.5
C). (Even when the compressor is running,
you can control the temperature).
BI-LEVEL: This setting brings in the outside air
and directs it two ways. Half of the air is directed
through the instrument panel outlets. Most of the
remaining air is directed through the floor ducts and a
little to the defrost and side window vents. The air
conditioning compressor will run automatically in this
setting unless the outside temperature is below 40
F
(4.5
C). (Even when the compressor is running, you can
control the temperature).
VENT: This setting brings in outside air and
directs it through the instrument panel outlets.
FLOOR: This setting sends most of the air
through the ducts near the floor. The rest comes out of
the defrost and side window vents.
DEFOG: This setting allows half of the air to go
to the floor ducts and half to the defrost and side
window vents. The air conditioning compressor will run
automatically in this setting unless the outside
temperature is below 40
F (4.5
C). (Even when the
compressor is running, you can control the temperature).
DEFROST: This setting directs most of the air
through the defrost and side window vents. Some of the
air goes to the floor ducts. The air conditioning
compressor will run automatically in this setting unless
the outside temperature is below 40
F (4.5
C).
(Even when the compressor is running, you can
control the temperature).
Air Conditioning
On very hot days, open the windows long enough to let
hot, inside air escape. This reduces the A/C compressor
load, which should help fuel economy.

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3-4
For quick cool-down on very hot days, use MAX with
the temperature control all the way in the blue area. If
this setting is used for long periods of time, the air in
your vehicle may become too dry.
For normal cooling on hot days, use A/C with the
temperature control in the blue area. The system will
bring in outside air and cool it.
On cool but sunny days, the sun may warm your upper
body, but your lower body may not be warm enough.
You can use BI
-LEVEL with the temperature control in
the middle. The system will bring in outside air and
direct it to your upper body, while sending slightly
warmed air to your lower body. You may notice this
temperature difference more at some times than others.
Heating
On cold days use FLOOR with the temperature control
all the way in the red area. The system will bring in
outside air, heat it and send it to the floor ducts.
If your vehicle has an engine coolant heater, you can use
it to help your system provide warm air faster when it's
cold outside
-- 0
F (-18
C) or lower. An engine coolant
heater warms the coolant your engine and heating
system use to provide heat. See ªEngine Coolant
Heaterº in the Index.
Defogging and Defrosting
Your system has two settings for clearing the front and
side windows. To defrost the windows quickly, use
DEFROST with the temperature knob all the way in the
red area. To warm passengers while keeping the
windows clean, use DEFOG.
Rear Window Defogger
The rear window
defogger uses a warming
grid to remove fog from
the rear window. Press
the area labeled PUSH to
turn the defogger on.
It will turn itself off after about 10 minutes. If you turn it
on again, the defogger will only run for about five
minutes before turning off. You can also turn it off by
turning off the ignition or pressing the button again.