climate control CADILLAC CTS 2004 1.G User Guide

Certain electrical accessories may not be compatible
with the accessory power outlet and could result
in blown vehicle or adapter fuses. If you experience a
problem see your dealer for additional information
on accessory power outlets.
Notice:Adding any electrical equipment to your
vehicle may damage it or keep other components
from working as they should. The repairs would not
be covered by your warranty. Check with your
dealer before adding electrical equipment.
When adding electrical equipment, be sure to follow
the proper installation instructions included with
the electrical equipment you install.
Notice:Improper use of the power outlet can cause
damage not covered by your warranty. Do not
hang any type of accessory or accessory bracket
from the plug because the power outlets are
designed for accessory power plugs only.
Ashtrays and Cigarette Lighter
Your vehicle may have an ashtray and cigarette lighter.
Notice:If you put papers or other ammable
items in the ashtray, hot cigarettes or other smoking
materials could ignite them and possibly damage
your vehicle. Never put ammable items in
the ashtray.
Ashtray
The ashtray is located under the climate control panel
on the center console. Press on the door to release
the ashtray.
To empty the ashtray, remove it from the center
console by gripping the edges and pulling straight out.
To reinstall, push the tray back into place.
Cigarette Lighter
Notice:Holding a cigarette lighter in while it is
heating will not allow the lighter to back away from
the heating element when it is hot. Damage from
overheating may occur to the lighter or heating
element, or a fuse could be blown. Do not hold a
cigarette lighter in while it is heating. Do not
use anything other than the cigarette lighter in the
heating element.
The cigarette lighter is located next to the ashtray.
The vehicle does not have any cigarette lighters for the
rear seat passengers.
Press the lighter all the way in and release it. It will pop
back out by itself once the element has heated for use.
Cigarette lighters can be used to provide power to
accessories. SeeAccessory Power Outlets on
page 3-27for more information.
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Climate Controls
Dual Climate Control System
With this system you can control the heating, cooling
and ventilation for your vehicle.
Automatic Operation
AUTO (Automatic):When this button is pressed and
the temperature is set, the system will automatically
control the inside temperature, the air delivery mode, the
air conditioning compressor and the fan speed. AUTO
will appear on the display.
1. Press the AUTO button.
2. Adjust the temperature to a comfortable setting
between 70°F (21°C) and 80°F (27°C).Choosing the coldest or warmest temperature
setting will not cause the system to heat or cool any
faster. If you set the system at the warmest
temperature setting, the system will remain in
manual mode at that temperature and it will not go
into automatic mode.
In cold weather, the system will start at reduced fan
speeds to avoid blowing cold air into your vehicle
until warmer air is available. The system will
start out blowing air at the oor but may change
modes automatically as the vehicle warms up
to maintain the chosen temperature setting. The
length of time needed for warm up will depend on
the outside temperature and the length of time
that has elapsed since your vehicle was last driven.
3. Wait for the system to regulate. This may take from
10 to 30 minutes. Then adjust the temperature,
if necessary.
You can switch from English to metric units through the
Driver Information Center (DIC). If you have the Base
audio system, seeDIC Main Menu on page 3-66.Ifyou
have the Navigation system, see “Setup Menu” in the
Navigation System Manual.
The air-conditioning system removes moisture from the
air, so you may sometimes notice a small amount of
water dripping underneath your vehicle while idling
or after turning off the engine. This is normal.
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Using recirculation for long periods of time may cause
the air inside your vehicle to become too dry or stuffy.
To prevent this from happening, after the air in your
vehicle has cooled, turn the recirculation mode off.
QPWRR(Power/Driver’s Temperature):Press the
PWR button located on the driver’s side of the
climate control panel to turn the entire climate control
system on or off. Press the up or down arrow on
the switch to increase or decrease the temperature
inside your vehicle.
QPWRR(Power/Passenger’s Temperature):Press
the PWR button located on the passenger’s side of
the climate control panel to turn the passenger’s climate
control system on. Press the up or down arrow on
the switch to increase or decrease the temperature for
the front passenger.
A/C OFF (Air Conditioning):Press this button to
manually turn off the air conditioning compressor. Press
AUTO to return to automatic operation or press the
A/C OFF button again.
Sensors
There is a solar sensor located on the instrument panel,
near the windshield.
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There is also an interior
temperature sensor
located to the right of the
steering wheel on the
instrument panel.
These sensors monitor the solar radiation and the air
inside your vehicle, then use the information to maintain
the selected temperature by initiating needed
adjustments to the temperature, the fan speed and the
air delivery system. The system may also supply
cooler air to the side of the vehicle facing the sun. The
recirculation mode will also be activated, as necessary.
Do not cover the sensors or the automatic climate
control system will not work properly.Defogging and Defrosting
Fog on the inside of windows is a result of high humidity
(moisture) condensing on the cool window glass. This
can be minimized if the climate control system is
used properly. There are two modes to clear fog from
your windshield. Use the defog mode to clear the
windows of fog or moisture and warm the passengers.
Use the defrost mode to remove fog or frost from
the windshield more quickly.
yNz(Mode):Press this button until defog appears
on the display.
-(Defog):This mode directs the air between the
windshield, oor outlets and side windows. When you
select this mode, the system turns off recirculation
and runs the air-conditioning compressor unless
the outside temperature is at or below freezing.
The recirculation mode is cancelled when you enter
defog mode. If you select recirculation while in defog
mode, it will be cancelled after 10 minutes.
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Operation Tips

Clear away any ice, snow or leaves from the air
inlets at the base of the windshield that may
block the ow of air into your vehicle.
Use of non-GM approved hood deectors may
adversely affect the performance of the system.
Keep the path under the front seats clear of objects
to help circulate the air inside of your vehicle more
effectively.
If the air ow seems low when the fan speed is at
the highest setting, the passenger compartment
air lter may need to be replaced. For more
information, seePassenger Compartment Air Filter
on page 3-35.
Passenger Compartment Air Filter
The passenger compartment air lter traps most of the
pollen from the air entering your vehicle. Like your
vehicle’s engine air cleaner/lter, it needs to be changed
periodically. For how often to change the passenger
compartment air lter, seeScheduled Maintenance on
page 6-4.
Using your climate control system without the passenger
air lter installed may allow water or other debris to
enter the system. This could cause a water leak
or noises. Make sure to install a new air lter after
removing the old one.
The passenger compartment air lter is located
underneath the hood below the windshield wiper arm
on the passenger’s side of the vehicle. SeeEngine
Compartment Overview on page 5-12for more
information on location.
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Use the procedure listed below to replace the passenger
compartment air lter:
1. Turn the ignition to ON with the engine off.
2. Turn on the windshield wipers and turn them off
again when the wipers are straight up and down
on the windshield.
This will allow you access to the leaf screen
under which is located the passenger compartment
air lter.
3. Open the hood to access the engine compartment.
SeeHood Release on page 5-11for more
information.
4. Remove the four screws that hold the leaf screen in
place and lift off the screen by lifting and sliding
toward the center of the vehicle.
5. Pull out on the two tabs located on each end of the
lter cover.
6. Lift the lter cover off by pulling it straight upward.
7. Remove the old lter and insert a new one.
Make sure the arrow on the lter is pointing toward
the passenger compartment.
SeeNormal Maintenance Replacement Parts on
page 6-15for the correct part number for the lter.
8. Reverse Steps 1 through 6 to reinstall the cover.Steering Wheel Climate
Controls (CTS)
There are four controls that can be programmed for use
with the climate control system.
The controls are located
on the left side of the
steering wheel.
SeeRecongurable Steering Wheel Controls (SWC)
(CTS) on page 3-8for more information on programming
these controls.
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SEEK LOCAL/DISTANT:This feature instructs the
audio system to seek only local radio stations with the
strongest signal or to seek all radio stations with a strong
signal in a large area. Use LOCAL when you are in
urban areas where there are several strong radio station
signals and you want to limit the number of stations to
those with the strongest signals only. Use DISTANT
when you are in rural areas where there are fewer radio
station signals available.
To switch between LOCAL and DISTANT, press the
TUNE/SEL knob. Your choice will be set when you press
BACK and return to the main menu.
9(English/Metric Units):Use this menu item to
adjust the measurement units.
You can choose between ENGLISH UNITS and
METRIC UNITS. To switch between the two, press the
TUNE/SEL knob. Once your choice is displayed,
turn the knob to set your choice and continue scrolling
through the main menu.
The measurement units that you choose will be reected
on all the vehicle system displays, not just the DIC
information. For example, the climate control panel will
display degrees Celsius if you choose METRIC UNITS.TCS (Traction Control System):You can enable or
disable the traction control system using this menu item.
Press the TUNE/SEL knob to switch between on
and off.
You can also turn the traction control system off using the
traction control button located in the glove box, or by
programming one of the steering wheel controls
(1, 2, 3 or 4) or audio system softkeys to enable/disable
the TCS. SeeRecongurable Steering Wheel Controls
(SWC) (CTS) on page 3-8and “Congurable Radio
Display Keys” underAudio System(s) on page 3-107for
more information.
When you disable the traction control system, the
Traction Suspended message will appear on the DIC and
the traction control system warning light on the instrument
panel cluster will come on. SeeDIC Warnings and
Messages on page 3-70andTraction Control System
(TCS) Warning Light on page 3-45for more information.
8(Clock):Use this menu item to set the time on
the clock.
SeeSetting the Time on page 3-108for
more information.
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To reduce the charging overload, use the vehicle’s
accessories. Turn on the exterior lamps and radio, set
the climate control on AUTO and the fan speed on the
highest setting, and turn the rear window defogger on.
The normal battery voltage range is 11.5 to 15.5 volts
when the engine is running. You can monitor battery
voltage on the DIC by pressing the INFO button until you
nd BATTERY VOLTS (Base audio system) or by
selecting Battery Voltage from the Vehicle Information
menu (Navigation system).
Battery Voltage Low
This symbol appears
with the Battery Voltage
Low message.
This message will appear when the electrical system
is charging less than 10 volts or if the battery has
been drained.If this message appears immediately after starting the
engine, it is possible that the generator can still recharge
the battery. The battery should recharge while driving
but may take a few hours to do so. Consider using
an auxiliary charger (be sure to follow the
manufacturer’s instructions) to boost the battery after
returning home or to a nal destination.
If this message appears while driving or after starting
your vehicle and stays on, have it checked by your
GM dealer immediately to determine the cause of
this problem.
To help the generator recharge the battery quickly, you
can reduce the load on the electrical system by
turning off the accessories.
The normal battery voltage range is 11.5 to 15.5 volts.
You can monitor battery voltage on the DIC by pressing
the INFO button until you nd BATTERY VOLTS
(Base audio system) or by selecting Battery Voltage
from the Vehicle Information menu (Navigation system).
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When this message appears, the personalization
features previously stored are turned off. If you want
your customized settings to be automatically recalled
when you use the remote keyless entry transmitter
or when you remove the key from the ignition, you
must enable them in the DIC. SeeDIC Vehicle
Personalization on page 3-88for more information.
This message is also used to identify the driver
(1, 2 or 3) on the Navigation system.
Right Rear Door Ajar
This symbol appears
with the Right Rear Door
Ajar message.
When this message appears on the display, the right
rear door it means that the passenger’s side rear
door was not closed completely. You should check to
make sure that the door is closed completely.
Service AC (Air Conditioning) System
This symbol appears
with the Service AC
System message.
This message appears when the electronic sensors that
control the air conditioning and heating systems are
no longer working. Have the climate control system
serviced by your GM dealer if you notice a drop
in heating and air conditioning efficiency.
3-80

Turn Signal On
This symbol appears
with the Turn Signal
On message.
If you drive your vehicle for more than about
1 mile (1.6 km) with a turn signal on, this message
will appear as a reminder to turn off the turn signal.
A multiple chime will sound when this message
is displayed.
DIC Vehicle Personalization
Your vehicle is equipped with personalization that allows
you to program certain features to a preferred setting
for up to two people. The number of programmable
features varies depending upon which model of
the vehicle is purchased.
On all vehicles, features such as climate control
settings, radio preset settings, exterior lighting at unlock,
remote lock and unlock conrmation, and automatic
door locks have already been programmed for
your convenience.
Some vehicles are equipped with additional features
that can be programmed including the seat and outside
rearview mirror position. The navigation system
screen preferences will remain at the last set position.
If your vehicle is equipped with the ability to program
additional personalization features, the driver’s
preferences are recalled by pressing the unlock button
on the remote keyless entry transmitter, 1 or 2, or
by pressing the appropriate memory button, 1 or 2,
located on the driver’s door. Certain features can
be programmed not to recall until the key is placed in
the ignition. To change feature preferences you
must use one of the following procedures.
3-88