CADILLAC CTS 2004 1.G Owners Manual

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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If you have fogging on the side windows, turn the
thumbwheel on the outboard outlets to the side window
defog position. SeeOutlet Adjustment on page 3-34
for more information.
0(Defrost):Pressing defrost directs most of the
air to the windshield, with some air directed to the side
windows. In this mode, the system will automatically turn
off recirculation and run the air-conditioning compressor,
unless the outside temperature is at or below freezing.
Recirculation cannot be selected while in the
defrost mode.
This mode may also cause the fan speed and air
temperature to increase.
If you have fogging on the side windows, turn the
thumbwheel on the outboard outlets to the side window
defog position. SeeOutlet Adjustment on page 3-34for
more information. Do not drive the vehicle until all the
windows are clear.
Rear Window Defogger
The rear window defogger uses a warming grid to
remove fog or frost from the rear window.
The rear window defogger will only work when the
ignition is in ON.
=(Rear Window Defogger):Press this button to
turn the rear window defogger on or off. Be sure to clear
as much snow from the rear window as possible.
The rear window defogger will turn off about 10 minutes
after the button is pressed. Or, if the vehicle’s speed
is above 30 mph (48 km/h), the rear defogger will stay
on continuously. If turned on again, the defogger
will only run for about ve minutes before turning off.
The defogger can also be turned off by pressing
the button again or by turning off the engine.
The heated outside rearview mirrors will heat to help
clear fog or frost from the surface of the mirror when the
rear window defogger button is on.
Notice:Using a razor blade or sharp object to clear
the inside rear window may damage the rear
window defogger. Repairs would not be covered by
your warranty. Do not clear the inside of the rear
window with sharp objects.
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Outlet Adjustment
Use the knobs located in the center of each outlet to
change the direction of the air ow. Use the
thumbwheels to open or close the outlets.
Use the thumbwheel on
the front outboard outlets
to select from the
following positions.
j(Side Window Defog):Turn the thumbwheel to this
symbol to use the side window defog setting. The air
coming through the outlets will be directed toward
the side windows to clear fog.
k(Open):Turn the thumbwheel to this symbol to
open the outlets completely and allow the maximum
amount of air to enter your vehicle. A small amount of air
will still be directed to the side windows.
l(Closed):Turn the thumbwheel to this symbol to
close the outlets and minimize the amount of air entering
the vehicle.
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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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Warning Lights, Gages, and
Indicators
This part describes the warning lights and gages that
may be on your vehicle. The pictures will help you
locate them.
Warning lights and gages can signal that something is
wrong before it becomes serious enough to cause
an expensive repair or replacement. Paying attention to
your warning lights and gages could also save you
or others from injury.
Warning lights come on when there may be or is a
problem with one of your vehicle’s functions. As you
will see in the details on the next few pages, some
warning lights come on briey when you start the engine
just to let you know they’re working. If you are familiar
with this section, you should not be alarmed when
this happens.Gages can indicate when there may be or is a problem
with one of your vehicle’s functions. Often gages
and warning lights work together to let you know when
there’s a problem with your vehicle.
When one of the warning lights comes on and stays on
when you are driving, or when one of the gages
shows there may be a problem, check the section that
tells you what to do about it. Follow this manual’s
advice. Waiting to do repairs can be costly – and even
dangerous. So please get to know your warning
lights and gages. They’re a big help.
Your vehicle also has a Driver Information Center (DIC)
that works along with the warning lights and gages.
SeeDriver Information Center (DIC) on page 3-60for
more information.
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Instrument Panel Cluster
The instrument panel cluster is designed to let you know at a glance how your vehicle is running. You’ll know how
fast you’re going, how much fuel you’re using and many of the other things you’ll need to know to drive safely
and economically.
CTS (United States version shown, Canada similar)
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CTS-V(United States version shown, Canada similar)
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Speedometer and Odometer
The speedometer lets you see your speed in either
miles per hour (mph) or kilometers per hour (km/h).
The odometer shows how far your vehicle has been
driven, in either miles (used in the United States)
or kilometers (used in Canada).
You may wonder what happens if a vehicle has to have
a new odometer installed. The new one may read
the correct mileage. This is because your vehicle’s
computer has stored the mileage in memory.
Trip Odometers
The trip odometer can record the number of miles or
kilometers traveled for up to two trips.
The trip odometer is part of the Driver Information
Center (DIC). To access the trip odometer, use one
of the following procedures:
Using the Base audio system, do the following:
1. Press the INFO (Information) button located to the
right of the screen to access the DIC menu.
2. Scroll through the menu using the up or down
arrows on the INFO button until you reach
Trip Odometer A or Trip Odometer B.
The selected trip odometer (A or B) will be
displayed at the top of the screen with the
accumulated mileage.
3. Repeat the steps to view the other trip odometer.You can reset the selected trip odometer by pressing
CLR (Clear) button located in the center of the
INFO button to the right of the screen. The mileage
for that trip odometer will return to zero. Each trip
odometer must be reset individually.
Using the Navigation audio system, do the following:
1. Press the INFO button located on the left side of the
screen to access the Vehicle Information menu.
2. Scroll through the menu using the TUNE/SEL knob
located to the lower right of the screen until you
reach Trip Odometer A or Trip Odometer B.
3. Select the menu item by pressing the TUNE/SEL
knob once.
The selected trip odometer (A or B) will be
displayed at the top of the screen with the
accumulated mileage.
4. Repeat the steps to view the other trip odometer.
You can reset the selected trip odometer by pressing
multifunction button next to Reset in the upper right
corner of the screen. The mileage for that trip odometer
will return to zero. Each trip odometer must be reset
individually.
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