2008 CADILLAC DTS horn

Q(Lock):Press to lock all the doors. If enabled
through the Driver Information Center (DIC), the parking
lamps may ash once to indicate locking has occurred,
or the horn may chirp when
Qis pressed again
within ve seconds from the previous press of the lock
button. SeeDIC Vehicle Customization on page 3-87
for additional information. If the vehicle has the content
theft-deterrent system, pressing
Qmay also arm it.
SeeContent Theft-Deterrent on page 2-19.
"(Unlock):Press to unlock the driver’s door. If"is
pressed again within ve seconds, all remaining doors
will unlock. The interior lamps will come on and stay
on for 20 seconds or until the ignition is turned on.
If enabled through the DIC, the parking lamps will ash
twice to indicate unlocking has occurred. SeeDIC Vehicle
Customization on page 3-87. Pressing
"on the RKE
transmitter may disarm the content theft-deterrent
system. SeeContent Theft-Deterrent on page 2-19.
V(Remote Trunk Release):Press and hold for
about one second to release the trunk lid. The
transmission must be in PARK (P) for this feature to
operate.
L(Vehicle Locator/Panic Alarm):Press and release
to locate your vehicle. The turn signal lamps will ash
and the horn will sound three times.
Press and hold
Lfor more than two seconds to
activate the panic alarm. The turn signal lamps will ash
and the horn will sound repeatedly for 30 seconds.
The alarm will turn off when the ignition is moved
to ON/RUN or
Lis pressed again. The ignition
must be in LOCK/OFF for the panic alarm to work.
Matching Transmitter(s) to Your
Vehicle
Each RKE transmitter is coded to prevent another
transmitter from unlocking your vehicle. If a transmitter
is lost or stolen, a replacement can be purchased
through your dealer/retailer. All transmitters need
to be re-coded to match the new transmitter.
The lost transmitter will no longer work after the new
transmitters are re-coded. The vehicle can have a
maximum of eight transmitters matched to it. See
RELEARN REMOTE KEY underDIC Operation and
Displays on page 3-70.
2-6

— (On):Press this side of the button to turn the lockout
feature on. When the lockout feature is turned on, the
trunk cannot be unlocked with the keyless entry
transmitter or the trunk release button located near
the headlamp switch on the instrument panel.
If the valet lockout feature is on it will also disable the
Universal Home Remote transmitter, if equipped.
Locking the glove box with your key will also help to
secure your vehicle.
SeeRemote Keyless Entry (RKE) System Operation
on page 2-5andTrunk on page 2-12for additional
information.
Content Theft-Deterrent
The security light is
located on the instrument
panel cluster.To arm the system:
1. Open the door.
2. Lock the door using the power door lock switch with
the door open or the Remote Keyless Entry (RKE)
transmitter. The security light will ash.
3. Close all the doors. The security light will come on
and stay on for approximately 30 seconds.
If a door or the trunk is opened without a key or a RKE
transmitter the horn will sound and the lamps will
ash for about 30 seconds.
The theft-deterrent system will not arm if you lock
the doors with a key or use the manual door lock.
It arms only if you use a power door lock with the door
open or the RKE transmitter.
To avoid arming the alarm by accident:
Lock the vehicle with the door key or the manual
door lock.
Always unlock a door with a key or use the RKE
transmitter system. Pressing the unlock button
on the RKE transmitter, or unlocking a door with the
key disarms the content theft-deterrent system.
Unlocking a door any other way will activate
the alarm when a door or the trunk is opened.
2-19

If you activate the alarm by accident, unlock the driver’s
door with your key. You can also turn off the alarm by
using the unlock button on the RKE transmitter system, or
by starting the car with a valid key.
Changes or modications made to this system by
other than an authorized service facility could void
authorization to use the theft system.
Testing the Alarm
1. From inside the vehicle, roll down the window, then
get out of the vehicle, keeping the door open.
2. From outside of the vehicle, with the door open, lock
the vehicle using the power door lock or the RKE
system and close the door. Wait 30 seconds until the
security lamp goes off.
3. Reach in and unlock the door using the manual lock
and open the door. The horn will sound and the
hazard lights will ash.
You can turn off the alarm by unlocking the driver’s door
with your key, using the unlock button on the RKE
transmitter or by starting the car with a valid key.
If the alarm does not sound when it should, check to see
if the horn works. The horn fuse may be blown. To
replace the fuse, seeFuses and Circuit Breakers on
page 5-101. If the fuse does not need to be replaced, you
may need to have your vehicle serviced.
To reduce the possibility of theft, always arm the
theft-deterrent system when leaving your vehicle.
PASS-Key®III+ Electronic
Immobilizer
The PASS-Key III+ system operates on a radio
frequency subject to Federal Communications
Commission (FCC) Rules and with Industry Canada.
This device complies with Part 15 of the FCC Rules.
Operation is subject to the following two conditions:
1. This device may not cause harmful interference.
2. This device must accept any interference received,
including interference that may cause undesired
operation.
This device complies with RSS-210 of Industry Canada.
Operation is subject to the following two conditions:
1. This device may not cause interference.
2. This device must accept any interference received,
including interference that may cause undesired
operation of the device.
Changes or modications to this system by other than
an authorized service facility could void authorization to
use this equipment.
PASS-Key III+ uses a radio frequency transponder in
the key that matches a decoder in the vehicle.
2-20

Instrument Panel Overview...............................3-4
Hazard Warning Flashers................................3-6
Other Warning Devices...................................3-6
Horn .............................................................3-6
Tilt Wheel.....................................................3-6
Power Tilt Wheel and Telescopic Steering
Column......................................................3-7
Heated Steering Wheel...................................3-7
Turn Signal/Multifunction Lever.........................3-8
Turn and Lane-Change Signals........................3-9
Headlamp High/Low-Beam Changer..................3-9
Forward Collision Alert (FCA) System..............3-10
Flash-to-Pass...............................................3-13
Windshield Wipers........................................3-13
Rainsense™ II Wipers...................................3-14
Windshield Washer.......................................3-15
Cruise Control..............................................3-16
Adaptive Cruise Control.................................3-19
Exterior Lamps.............................................3-32
Wiper Activated Headlamps............................3-35
Headlamps on Reminder................................3-35
Daytime Running Lamps (DRL).......................3-35
Fog Lamps ..................................................3-36
Cornering Lamps..........................................3-37
Exterior Lighting Battery Saver........................3-37
Instrument Panel Brightness...........................3-37
Courtesy Lamps...........................................3-37Entry Lighting...............................................3-37
Parade Dimming...........................................3-38
Reading Lamps............................................3-38
Footwell Lamps............................................3-38
Battery Load Management.............................3-38
Electric Power Management...........................3-39
Inadvertent Power Battery Saver.....................3-40
Battery Run-Down Protection..........................3-40
Accessory Power Outlet(s).............................3-40
Ashtray(s)....................................................3-41
Analog Clock...............................................3-42
Climate Controls............................................3-42
Dual Climate Control System..........................3-42
Outlet Adjustment.........................................3-48
Rear Climate Control System.........................3-49
Passenger Compartment Air Filter...................3-51
Warning Lights, Gages, and Indicators............3-53
Instrument Panel Cluster................................3-54
Speedometer and Odometer...........................3-55
Tachometer.................................................3-55
Safety Belt Reminders...................................3-56
Airbag Readiness Light..................................3-57
Passenger Airbag Status Indicator...................3-58
Charging System Light..................................3-60
Brake System Warning Light..........................3-60
Antilock Brake System (ABS) Warning Light.....3-61
Section 3 Instrument Panel
3-1

The main components of the instrument panel are the following:
A. Air Outlets. SeeOutlet Adjustment on page 3-48.
B. Driver Information Center (DIC) Buttons. SeeDriver
Information Center (DIC) on page 3-70.
C. Exterior Lamp Controls. SeeExterior Lamps on
page 3-32.
D. Instrument Panel Cluster. SeeInstrument Panel
Cluster on page 3-54.
E. Horn. SeeHorn on page 3-6.
F. Audio Steering Wheel Controls. SeeAudio Steering
Wheel Controls on page 3-118.
G. Ultrasonic Front and Rear Parking Assist and
Adaptive Cruise Control Display (If Equipped). See
Ultrasonic Front and Rear Parking Assist (UFRPA)
on page 2-40andAdaptive Cruise Control on
page 3-19.
H. Analog Clock. SeeAnalog Clock on page 3-42.
I. Hazard Warning Flashers Button. SeeHazard
Warning Flashers on page 3-6.
J. Radio. SeeAudio System(s) on page 3-96.
K. Trunk Release Button. SeeTrunk on page 2-12.
L. Instrument Panel Brightness Control. SeeInstrument
Panel Brightness on page 3-37.
M. Lane Departure Warning. SeeLane Departure
Warning (LDW) on page 2-46.N. Turn Signal/Multifunction Lever. SeeTurn
Signal/Multifunction Lever on page 3-8.
O. Hood Release. SeeHood Release on page 5-12.
P. Parking Brake. SeeParking Brake on page 2-30.
Q. Heated Steering Wheel Button (If Equipped).
SeeHeated Steering Wheel on page 3-7.
R. Cruise Control or Adaptive Cruise Control. See
Cruise Control on page 3-16orAdaptive Cruise
Control on page 3-19.
S. Tilt Wheel. SeeTilt Wheel on page 3-6. Power Tilt
and Telescopic Steering Wheel (If Equipped).
SeePower Tilt Wheel and Telescopic Steering
Column on page 3-7.
T. Climate Controls. SeeDual Climate Control System
on page 3-42.
U. Traction Control System Button (Console-Shift
Vehicles). SeeTraction Control System (TCS) on
page 4-5.
V. Shift Lever. SeeAutomatic Transmission Operation
on page 2-27.
W. Accessory Power Outlet. SeeAccessory Power
Outlet(s) on page 3-40.
X. Glove Box. SeeGlove Box on page 2-59. Valet
Lockout Switch. SeeValet Lockout Switch on
page 2-18.
3-5

Hazard Warning Flashers
The hazard warning ashers let you warn the police and
others that you have a problem. The front and rear
turn signal lamps will ash on and off.
The hazard warning
asher button is on the
instrument panel.
Press the button to make the front and rear turn signal
lamps ash on and off. Press again to turn the
ashers completely off.
The hazard warning ashers work even if the key is not
in the ignition switch.
Other Warning Devices
If you carry reective triangles, you can set them up at
the side of the road about 300 feet (100 m) behind
your vehicle.
Horn
Press near or on the horn symbols on the steering
wheel pad to sound the horn.
Tilt Wheel
A tilt wheel lets you adjust the steering wheel before
you drive. You can raise the steering wheel to the
highest level to give your legs more room when you
enter and exit the vehicle.
The lever that lets you tilt the steering wheel is located
on the left side of the steering column.
To tilt the wheel, hold the
wheel and pull the lever.
Then move the wheel
to a comfortable position
and release the lever
to lock the wheel in place.
3-6

NO CHANGE:No change will be made to this feature.
The current setting will remain.
To select a setting, press the set/reset button while the
desired setting is displayed on the DIC.
AUTO DOOR UNLOCK
This feature allows you to select whether or not to turn
off the automatic door unlocking feature. It also
allows you to select which doors and when the doors
will automatically unlock. SeeProgrammable Automatic
Door Locks on page 2-11for more information.
Press the customization button until AUTO DOOR
UNLOCK appears on the DIC display. Press the
set/reset button once to access the settings for this
feature. Then press the menu up/down button to scroll
through the following settings:
OFF:None of the doors will automatically unlock.
DRIVER AT KEY OUT:Only the driver’s door will
unlock when the key is taken out of the ignition.
DRIVER IN PARK:Only the driver’s door will unlock
when the vehicle is shifted into PARK (P).
ALL AT KEY OUT:All of the doors will unlock when
the key is taken out of the ignition.
ALL IN PARK (default):All of the doors will unlock
when the vehicle is shifted into PARK (P).NO CHANGE:No change will be made to this feature.
The current setting will remain.
To select a setting, press the set/reset button while the
desired setting is displayed on the DIC.
REMOTE DOOR LOCK
This feature allows you to select the type of feedback
you will receive when locking the vehicle with the
Remote Keyless Entry (RKE) transmitter. You will not
receive feedback when locking the vehicle with the RKE
transmitter if the doors are open. SeeRemote Keyless
Entry (RKE) System Operation on page 2-5for more
information.
Press the customization button until REMOTE DOOR
LOCK appears on the DIC display. Press the set/reset
button once to access the settings for this feature.
Then press the menu up/down button to scroll through
the following settings:
OFF:There will be no feedback when you press the
lock button on the RKE transmitter.
LIGHTS ONLY:The exterior lamps will ash when you
press the lock button on the RKE transmitter.
HORN ONLY:The horn will sound on the second press
of the lock button on the RKE transmitter.
3-89

HORN & LIGHTS (default):The exterior lamps will
ash when you press the lock button on the RKE
transmitter, and the horn will sound when the lock button
is pressed again within ve seconds of the previous
command.
NO CHANGE:No change will be made to this feature.
The current setting will remain.
To select a setting, press the set/reset button while the
desired setting is displayed on the DIC.
REMOTE DOOR UNLOCK
This feature allows you to select the type of feedback
you will receive when unlocking the vehicle with
the Remote Keyless Entry (RKE) transmitter. You will
not receive feedback when unlocking the vehicle
with the RKE transmitter if the doors are open. See
Remote Keyless Entry (RKE) System Operation
on page 2-5for more information.
Press the customization button until REMOTE DOOR
UNLOCK appears on the DIC display. Press the
set/reset button once to access the settings for this
feature. Then press the menu up/down button to scroll
through the following settings:
LIGHTS OFF:The exterior lamps will not ash when
you press the unlock button on the RKE transmitter.
LIGHTS ON (default):The exterior lamps will
ash when you press the unlock button on the RKE
transmitter.NO CHANGE:No change will be made to this feature.
The current setting will remain.
To select a setting, press the set/reset button while the
desired setting is displayed on the DIC.
DELAY DOOR LOCK
This feature allows you to select whether or not the
locking of the vehicle’s doors will be delayed. When
locking the doors with the power door lock switch and a
door is open, this feature will delay locking the doors
until ve seconds after the last door is closed. You will
hear three chimes to signal that the delayed locking
feature is in use. The key must be out of the ignition for
this feature to work. You can temporarily override
delayed locking by pressing the power door lock switch
twice or the lock button on the RKE transmitter twice.
Press the customization button until DELAY DOOR
LOCK appears on the DIC display. Press the set/reset
button once to access the settings for this feature.
Then press the menu up/down button to scroll through
the following settings:
OFF:There will be no delayed locking of the
vehicle’s doors.
ON (default):The doors will not lock until ve seconds
after the last door is closed.
3-90