Oldsmobile Bravada 1999 Owner's Manuals

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3-3
Mode Knob - Automatic Operation
The right knob on the control panel allows you to
choose the direction of air delivery. When the system is
set for automatic operation, sensors will control the air
delivery mode. Air will come primarily from the floor or
instrument panel outlets, with some air directed to the
windshield to prevent fogging.
When the system is in AUTO mode, the air conditioning
light will turn on, and the recirculation and outside air
lights turn off. With the system in full auto control
(both the fan and mode knobs in AUTO), you still
have the ability to override any function. However,
continually overriding the outside air or the A/C
compressor will limit the ability of the system to cool
the vehicle quickly.
If you push a button for a function which is not
available, the light next to that button will flash three
times to alert you that it's not available.
To find your comfort zone, start with the 74
F (23
C)
setting and allow about 20 minutes for the system to
adjust the temperature if necessary.
With the automatic setting, the air conditioning
compressor automatically cycles when needed to cool
the air. In cold weather, when the system senses the need
for heat, the airflow will be directed out the flooroutlets. As the interior temperature approaches a desired
setting, the blower speed will decrease. To maintain
interior comfort, the airflow will adjust between the
instrument panel air outlets and floor outlets. On bright
sunny days in cool weather, the airflow may come out of
the air conditioning and floor outlets (bi
-level mode) to
maintain comfort and prevent stuffiness.
To avoid blowing cold air in cold weather, the system
will delay turning on the fan until warm air is available.
The length of delay depends on the outside air
temperature, engine coolant temperature or the time
since the engine was last started. As the coolant
warms up, the blower fan speed will gradually increase
and air will flow from the heater outlets, with some
airflow to the windshield to prevent fogging under most
normal conditions.
If your vehicle is sitting out on a warm day and you
have the fan set on AUTO, the air will first flow out of
the floor air outlets for a few seconds. That is normal.
This is to expel hot air from the air outlets. As the air is
cooled, the airflow will move through the air
conditioning outlets.
Be careful not to put anything over the solar sensor
located around the center of the instrument panel.
This sensor is used by the automatic system to
regulate temperature.

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3-4
Mode Knob - Manual Operation
The right knob on the control panel allows you to
choose the direction of air delivery.
You can choose to set the climate control system
operations yourself, or let the system work for you
by placing the system in AUTO mode. See ªMode
Knob
- Automatic Operationº earlier in this section.
PANEL: This setting directs most of the air
through the instrument panel outlets and a small amount
through the floor outlets.
BI-LEVEL: Air is delivered through the heater
floor outlets as well as the instrument panel outlets.
HEATER: This setting directs most of the
warmed air through the heater floor outlets and some air
through the windshield defroster outlets.
BLEND: Airflow is divided equally between the
heater floor outlet and the windshield defroster outlets.
The air conditioning compressor may run to dehumidify
the air to prevent window fogging.
DEFROST: This setting directs most air through
the windshield defroster outlets and some through the
heater outlets. The air conditioning compressor may run
to dehumidify the air to prevent window fogging.
OUTSIDE AIR: Press this button to force the
system to use outside air. Press it again to close off the
outside air.
Pressing the OUTSIDE AIR button will cancel the
RECIRCULATION button.
RECIRCULATION: Press this button to limit
the amount of fresh air entering your vehicle. This is
helpful when you are trying to limit odors entering your
vehicle. In the AUTO mode, the system will use
recirculation as necessary to cool the air. Pressing the
recirculation button will change the operation to a
manual mode and the air will recirculate non
-stop. Press
this button again to turn off the recirculation feature.
RECIRCULATION may be selected with the fan control
in OFF to limit odors, outside air and dust from entering
your vehicle.
Pressing the RECIRCULATION button will cancel the
OUTSIDE AIR button.
A/C: Press this button to turn the air conditioning
on and off. The system will cool and dehumidify the air
inside the vehicle.
Air conditioning will be automatically disabled when
the outside temperature drops below a level at which air
conditioning is effective.

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3-5
Remember that in order for the automatic system
to perform well, it needs A/C to provide
cooling performance.
Air Conditioning
On hot days, open the windows long enough to let hot
inside air escape. This reduces the time it takes for your
vehicle to cool down. Then keep your windows closed
for the air conditioner to work its best.
For quick cool
-down on very hot days, the A/C button
should be enabled and the OUTSIDE AIR button should
not be active.
On cool but sunny days, use BI
-LEVEL A/C to deliver
warm air to the floor and cooler air to the instrument
panel outlets.
When the air conditioner is on, you may sometimes
notice slight changes in your vehicle's engine speed
and power. This is normal because the system is
designed to cycle the compressor on and off to keep
the desired temperature.
Heating
The heater works best if you keep your windows closed
while using it. On cold days, use HEATER with the
temperature knob turned to the right. BLEND is useful
in cool weather when you have fog or ice on the
windshield or side windows.
If you use the optional engine coolant heater before
starting your engine, your heating system will produce
warmer air faster to heat the passenger compartment in
cold weather. See ªEngine Coolant Heaterº in the Index.
Defogging and Defrosting
On cool, humid days, use BLEND to keep the
windshield and side windows clear.
Use DEFROST to remove fog or ice from the
windshield quickly in extreme humid or cold conditions.
Turn the temperature knob to the right and turn the fan
control toward high.

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3-6 Rear Window Defogger
The rear window has lines that warm the glass. For best
results, clear the window of as much snow or ice as
possible before using the rear window defogger.
To turn on the rear window
defogger, find the switch
marked REAR with the
defog symbol on the lower
right corner of your climate
control system.
Press the switch until the light in the switch comes on,
then release it. It will only work if the ignition switch is
turned to RUN.The rear window defogger will stay on for five to seven
minutes, then turn off. If you need additional warming
time, turn it on again. You can turn the defogger off at
any time by pressing the switch.
Pressing the REAR button on your climate control
system will also activate your heated outside mirrors (if
equipped). This will help to keep ice, snow and
condensation from collecting on your mirror surfaces.
Do not attach a temporary vehicle license, tape or decals
across the defogger grid on the rear window.
NOTICE:
Don't use a razor blade or something else sharp
on the inside of the rear window. If you do, you
could cut or damage the warming grid, and the
repairs wouldn't be covered by your warranty.

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3-7 Ventilation System
For mild outside temperatures when little heating or
cooling is needed, use VENT to direct outside air
through your vehicle. Airflow is through the instrument
panel outlets.
Your vehicle's ventilation system supplies outside air to
the inside of your vehicle when it is moving. When the
vehicle is not moving, you can get outside air to flow
through by selecting any mode and any fan speed.
You will find air outlets in the center and on the sides of
your instrument panel.You can direct the airflow side
-to-side by rotating the
thumbwheel located in the center of the vent. The vent
can be tilted up and down also. To control the amount of
airflow through the outlets, rotate the thumbwheel
below the vent.
Ventilation Tips

Keep the hood and front air inlet free of ice, snow or
any other obstruction (such as leaves). The heater
and defroster will work far better, reducing the
chance of fogging the inside of your windows.

When you enter a vehicle in cold weather, turn the
fan control to high for a few moments before driving
off. This helps clear the intake ducts of snow and
moisture, and reduces the chance of fogging the
inside of your windows.

Keep the air path under the front seats clear of
objects. This helps air to circulate throughout
your vehicle.

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3-8
Audio Systems
Your Delco Electronics audio system has been designed
to operate easily and give years of listening pleasure.
You will get the most enjoyment out of it if you acquaint
yourself with it first. Find out what your Delco
Electronics system can do and how to operate all its
controls, to be sure you're getting the most out of the
advanced engineering that went into it.
Setting the Clock
Press and hold HR until the correct hour appears.
The letter A or P may appear on the display for AM
or PM. Then, press and hold MN until the correct
minute appears. The clock may be set with the
ignition on or off.
AM-FM Stereo with Cassette Tape
and Compact Disc Player with
Automatic Tone Control
Standard radio--Bose
not shown
If your vehicle is equipped with the Bose

AM-FM
Stereo with Cassette Tape and Compact Disc Player
(not shown), automatic tone control is not available.
Your radio will have a MUTE button rather than a
TONE button.

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Playing the Radio
PWR
-VOL: Press this knob to turn the system on and
off. To increase volume, turn the knob clockwise. Turn
it counterclockwise to decrease volume.
RCL: Press this button briefly to recall the station being
played or to display the clock. To change what is
normally shown on the display (station or time), press
the RCL button until you see the display you want, then
hold the RCL button until the display flashes. If you
press the button when the ignition is off, the clock will
show for a few seconds.
MUTE: Press this button to silence the system. Press it
again to turn on the sound. (This button is available on
the Bose

radio only.)
Finding a Station
AM
-FM: Press this button to switch between AM, FM1
and FM2. The display shows your selection.
TUNE: Press this knob lightly so it extends. Turn it to
choose radio stations. Push the knob back into its stored
position when you're not using it.
SEEK: Press the up or down arrow to go to the next
higher or lower station and stay there. The sound will
mute while seeking.SCAN: Press this button and release it to listen to
stations for a few seconds. The radio will go to a station,
stop for a few seconds, then go on to the next station.
Press the button again to stop scanning. The sound will
mute while scanning, and SCAN will appear on the
display. If you press SCAN for more than two seconds,
the radio will change to P SCAN mode. P SCAN will
appear on the display.
PUSHBUTTONS: The five numbered pushbuttons let
you return to your favorite stations. You can set up to
15 stations (five AM, five FM1 and five FM2). Just:
1. Turn the radio on.
2. Press AM
-FM to select the band.
3. Tune in the desired station.
4. Press TONE to select the equalization that best suits
the type of station selected. (This function is not
available on the Bose radio.)
5. Press and hold one of the five numbered buttons. The
sound will mute. When it returns, release the button.
Whenever you press that numbered button, the station
you set will return and the tone that you selected will
also be automatically selected for that button. (The
tone will not automatically return on the Bose radio.)
6. Repeat the steps for each pushbutton.

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3-10
P SCAN: Press SCAN for more than two seconds, and
P SCAN will appear on the display. The radio will go to
the first preset station stored on your pushbuttons, stop
for a few seconds, then go on to the next preset station.
Press SCAN again to stop scanning.
Setting the Tone
BASS: Press this knob lightly so it extends. Turn the
knob to increase or decrease bass. When you use this
control, the radio's tone setting will switch to manual.
(The radio's tone setting will not switch to manual on
the Bose radio.)
TREB: Press this knob lightly so it extends. Then pull
the knob all the way out. Turn the knob to increase or
decrease treble. When you use this control, the radio's
tone setting will switch to manual. (The radio's tone
setting will not switch to manual on the Bose radio.)
If a station is weak or noisy, you may want to decrease
the treble.
Push the knob back into its stored position when you're
not using it.TONE: This feature allows you to choose preset bass
and treble equalization settings designed for jazz, vocal,
pop, rock and classical stations. JAZZ will appear on the
display when you first press TONE. Each time you press
it, another setting will appear on the display. Press it
again after CLASSIC appears and MANUAL will
appear. Tone control will return to the BASS and TREB
knobs. Also, if you use the BASS and TREB knobs,
control will return to them and MANUAL will appear.
(This button is not available on the Bose radio.)
Adjusting the Speakers
BAL: Press this knob lightly so it extends. Turn the
knob to move the sound to the left or right speakers. The
middle position balances the sound between
the speakers.
FADE: Press the knob lightly so it extends. Then pull
the knob all the way out. Turn it to move the sound to
the front or rear speakers. The middle position balances
the sound between the speakers.
Push the knob back into its stored position when you're
not using it.

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3-11
Playing a Cassette Tape
Your tape player is built to work best with tapes that
are up to 30 to 45 minutes long on each side. Tapes
longer than that are so thin they may not work well in
this player.
The longer side with the tape visible should face to the
right. If the ignition is on, but the radio is off, the tape
can be inserted and will begin playing. If you hear
nothing but a garbled sound, the tape may not be in
squarely. Press EJECT to remove the tape and start over.
While the tape is playing, use the VOL, FADE, BAL,
TREB, BASS, TONE, SEEK and SCAN controls just as
you do for the radio. (The TONE control is not available
on the Bose radio.) Other controls may have different
functions when a tape is inserted. The display will show
TP with a box around it and an arrow to show which
side of the tape is playing.
Your tape bias is set automatically. When a metal or
chrome tape is inserted, HI
-BIAS appears on the
display. If you want to insert a tape when the ignition is
off, first press EJECT or RCL.If E and a number appear on the radio display and the
tape won't play because of an error, it could be that:

E10: The tape is tight and the player can't turn the
tape hubs. Remove the tape. Hold the tape with the
open end down and try to turn the right hub
counterclockwise with a pencil. Turn the tape over
and repeat. If the hubs do not turn easily, your tape
may be damaged and should not be used in the
player. Try a new tape to make sure your player is
working properly.

E11: The tape is broken. Try a new tape.
If any error occurs repeatedly or if an error can't be
corrected, please contact your dealer. If your radio
displays an error number, write it down and provide it to
your dealer when reporting the problem.
REV (1): Press this button to reverse the tape rapidly.
Press it again to return to playing speed. The radio will
play the last selected station while the tape reverses.
You may select stations during REV operation by
using TUNE.
FWD (2): Press this button to advance quickly to
another part of the tape. Press the button again to return
to playing speed. The radio will play the last selected
station while the tape advances. You may select stations
during FWD operation by using TUNE.

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3-12
PROG (3): Press this button to play the other side of
the tape.

(4): Press this button to reduce background
noise. Note that the double
-D symbol will appear on
the display.
Dolby Noise Reduction is manufactured under a license
from Dolby Laboratories Licensing Corporation. Dolby
and the double
-D symbol are trademarks of Dolby
Laboratories Licensing Corporation.
TONE: Press this button to select a tone while playing a
cassette. The tone that you set will be activated each
time you play a cassette tape. (This button is not
available on the Bose radio.)
SEEK: Press the up or down arrow to search for the
next or previous selection on the tape. Your tape must
have at least three seconds of silence between each
selection for SEEK to work.
SCAN: Press this button to listen to each selection for a
few seconds. The tape will go to the next selection, stop
for a few seconds, then go on to the next selection. Press
this button again to stop scanning. The sound will mute
while scanning, SCAN will appear on the display and
the tape direction arrow will blink while scanning.AM
-FM: Press this button to play the radio when
a tape is in the player. The tape will stop but remain in
the player.
TAPE
-CD: Press this button if you have a disc loaded
in the CD player and the radio is playing, to play a
compact disc. Press AM
-FM to return to the radio when
a compact disc is playing. Press TAPE
-CD to switch
between the tape and compact disc if both are loaded.
The inactive tape or CD will remain safely inside the
radio for future listening. The display will show TP
and CD.
EJECT: Press this button to remove the tape. The radio
will play. EJECT may be activated with either the
ignition or radio off. Cassettes may be loaded with the
radio and ignition off if this button is pressed first.
CLN: If this message appears on the display, the
cassette tape player needs to be cleaned. It will still play
tapes, but you should clean it as soon as possible to
prevent damage to the tapes and player. See ªCare of
Your Cassette Tape Playerº in the Index. After you clean
the player, press and hold EJECT for five seconds to
reset the CLN indicator. The radio will display
--- to
show the indicator was reset.