2008 CADILLAC DTS heating

The rear doors on your vehicle cannot be opened from
the inside when this feature is in use.
When you want to open a rear door when the security
lock is on, do the following:
1. Unlock the door using the remote keyless entry
transmitter, the front door power lock switch, or
by lifting the rear door manual lock knob.
2. Open the door from the outside.
To cancel the rear door security lock, do the following:
1. Unlock the door and open it from the outside.
2. Turn the knob to the horizontal position to
disengage the lock.
3. Do the same for the other rear door.
Lockout Protection
If the key is in the ignition and the power door lock
switch is used to lock the doors, all doors will lock
and then the driver’s door will unlock. It is always
recommended that you remove the ignition key when
locking your vehicle.
The lockout protection feature can be overridden by
holding the power door lock switch for three seconds or
longer.
Trunk
{CAUTION:
It can be dangerous to drive with the trunk lid
open because carbon monoxide (CO) gas can
come into your vehicle. You cannot see or
smell CO. It can cause unconsciousness and
even death. If you must drive with the trunk lid
open or if electrical wiring or other cable
connections must pass through the seal
between the body and the trunk lid:
Make sure all other windows are shut.
Turn the fan on your heating or cooling
system to its highest speed and select the
control setting that will force outside air
into your vehicle. See Climate Control
System.
If you have air outlets on or under the
instrument panel, open them all the way.
SeeEngine Exhaust on page 2-34.
2-12

Power Tilt Wheel and Telescopic
Steering Column
If your vehicle has this
feature, the power tilt and
telescope wheel control
is located on the outboard
side of the steering
column.
To operate the power tilt feature, push the control up
and the steering wheel tilts up. Push the control
down and the steering wheel goes down.
Push the control forward and the steering wheel moves
toward the front of the vehicle. Push the control
rearward and the steering wheel moves toward the rear
of the vehicle. To set the memory position, seeDIC
Vehicle Customization on page 3-87andMemory Seat,
Mirrors and Steering Wheel on page 1-4.
Heated Steering Wheel
Your vehicle may have a heated steering wheel.
The button for this feature
is located on the steering
wheel.
Press the button to turn the heated steering wheel on or
off. A light on the button will display while the feature
is turned on.
The steering wheel will take about three minutes to start
heating.
3-7

Analog Clock
The analog clock is located on the instrument
panel above the radio. The clock is not connected
with any other vehicle system and runs by itself.
To adjust the clock:
1. Locate the adjustment button directly below the
clock face.
2. Push and hold the adjustment button to advance
the clock hands. Holding the button down will
cause the clock to advance faster. Release the
button before reaching the desired time.
3. Push and release the button to increase the
time by one minute increments until the desired
time is reached.
Climate Controls
Dual Climate Control System
The heating, cooling, and ventilation for the vehicle
can be controlled with this system. To avoid window
fogging on rainy and humid days at temperatures above
freezing, run the air conditioning. Also, it is best to avoid
the use of recirculation mode except when maximum
air conditioning performance is needed for a short
amount of time to avoid exterior odors and fogging.Dual Climate Control System
Dual Climate Control System for Vehicles
with Rear Climate Control
3-42

Lane Departure Warning Light
Your vehicle may have the
lane departure warning
system.
This light will come on green, briey, when the vehicle
is started to show that it is working. This light will
also come on green if the system detects a left or
right lane marking. This light will change to amber
and ash and three beeps will sound if you cross a
detected lane marking without using your turn signal.
For more information, see the Index in the Navigation
Manual.
Engine Coolant Temperature
Warning Light
The engine coolant
temperature warning light
will come on when the
engine is very hot.
This light will also come on briey when the vehicle is
started.
If the light does not go out or comes on and stays on
while driving, there may be a problem with the cooling
system. Driving with engine coolant temperature light on
could cause your vehicle to overheat, seeOverheated
Engine Protection Operating Mode on page 5-29.
SeeEngine Overheating on page 5-27andDIC
Warnings and Messages on page 3-75for more
information.
3-63

Engine Coolant Temperature Gage
This gage shows the
engine coolant
temperature.
It indicates when the engine has warmed up and if
the cooling system is operating properly. If the gage
pointer moves into the shaded area, the engine coolant
is too hot and the engine coolant temperature warning
light will come on. SeeEngine Overheating on
page 5-27for more information.
Tire Pressure Light
This light comes on briey
when the engine is started.
This light will also come on when one or more of your
tires are signicantly underinated.
A tire pressure message in the Driver Information
Center (DIC), may accompany the light. SeeDIC
Warnings and Messages on page 3-75for more
information.
Stop and check your tires as soon as it is safe to
do so. If underinated, inate to the proper pressure.
SeeTires on page 5-52for more information.
If a problem is detected with the Tire Pressure Monitor
System, this light will ash for approximately 60 seconds
and then stay on solid for the remainder of the ignition
cycle. SeeTire Pressure Monitor System on page 5-63
for more information.
3-64

ENGINE HOT – A/C (Air
Conditioning) OFF
This message displays when the engine coolant
becomes hotter than the normal operating temperature.
SeeEngine Coolant Temperature Gage on page 3-64.
To avoid added strain on a hot engine, the air
conditioning compressor automatically turns off. When
the coolant temperature returns to normal, the air
conditioning compressor turns back on. You can
continue to drive your vehicle.
If this message continues to appear, have the system
repaired by your dealer/retailer as soon as possible
to avoid damage to the engine.
ENGINE OVERHEATED IDLE ENGINE
Notice:If you drive your vehicle while the engine
is overheating, severe engine damage may occur.
If an overheat warning appears on the instrument
panel cluster and/or DIC, stop the vehicle as soon
as possible. Do not increase the engine speed
above normal idling speed. SeeEngine Overheating
on page 5-27for more information.
This message displays when the engine coolant
temperature is too hot. Stop and allow the vehicle
to idle until it cools down. SeeEngine Coolant
Temperature Warning Light on page 3-63.SeeOverheated Engine Protection Operating Mode on
page 5-29for information on driving to a safe place
in an emergency.
ENGINE OVERHEATED STOP ENGINE
Notice:If you drive your vehicle while the engine
is overheating, severe engine damage may occur.
If an overheat warning appears on the instrument
panel cluster and/or DIC, stop the vehicle as soon as
possible. SeeEngine Overheating on page 5-27
for more information.
This message displays when the engine has overheated.
Immediately look for a safe place to pull your vehicle
over and turn the engine off right away to avoid severe
engine damage. SeeEngine Overheating on page 5-27
andOverheated Engine Protection Operating Mode
on page 5-29. A chime also sounds when this message
is displayed.
ENGINE POWER REDUCED
This message displays when the engine power is
being reduced to protect the engine from damage.
There could be several malfunctions that might cause
this message. Reduced engine power can affect
the vehicle’s ability to accelerate. If this message
is on, but there is no reduction in performance,
proceed to your destination. The performance may
be reduced the next time the vehicle is driven.
3-77

HEATING WASH (Washer) FLUID
WASH (Washer) WIPES PENDING
This message displays when you turn on the heated
washer uid system. See “Heated Washer Fluid” under
Windshield Washer on page 3-15for more information.
HOOD OPEN
This symbol appears with
this message.
This message displays when the hood is not closed
completely. Make sure that the hood is closed
completely. SeeHood Release on page 5-12.
ICE POSSIBLE DRIVE WITH CARE
This message displays when the outside temperature
is cold enough to create icy road conditions. Adjust your
driving accordingly.
LANE DEPARTURE SYSTEM
UNAVAILABLE
If your vehicle has the Lane Departure Warning (LDW)
system, this message may display if the LDW system
does not activate due to a temporary condition.
SeeLane Departure Warning (LDW) on page 2-46for
more information.
LEFT REAR DOOR OPEN
This symbol appears with
this message.
This message displays when the driver side rear door
is not closed completely. Make sure that the door
is closed completely.
3-79

SERVICE A/C SYSTEM
This message displays when the air delivery mode door
or the electronic sensors that control the air conditioning
and heating systems are no longer working. Have
the climate control system serviced by your dealer/
retailer if you notice a drop in heating and air
conditioning efficiency.
SERVICE BATTERY CHARGING
SYSTEM
This message displays when a problem with the
charging system has been detected. The charging
system light also displays on the instrument panel
cluster. SeeCharging System Light on page 3-60for
more information. Have your vehicle serviced by
your dealer/retailer.
SERVICE BRAKE ASSIST
This message displays if there is a problem with the
brake system. The brake system warning light and the
antilock brake system warning light may also be
displayed on the instrument panel cluster. SeeBrake
System Warning Light on page 3-60andAntilock Brake
System (ABS) Warning Light on page 3-61for more
information. If this happens, stop as soon as possible
and turn off the vehicle. Restart the vehicle and
check for the message on the DIC display.If the message is displayed or appears again when you
begin driving, the brake system needs service. See
your dealer/retailer as soon as possible. SeeBrakes
on page 5-37for more information.
SERVICE BRAKE SYSTEM
This message displays if the ignition is on to inform the
driver that the brake uid level is low. Have the brake
system serviced by your dealer/retailer as soon as
possible.
SERVICE LANE DEPARTURE SYSTEM
If your vehicle has the Lane Departure Warning
(LDW) system, this message may display to indicate
that the LDW system is not working properly.
If this message remains on after continued driving,
the system needs service. See your dealer/retailer.
SeeLane Departure Warning (LDW) on page 2-46for
more information.
SERVICE PARKING ASSIST
If your vehicle has the Ultrasonic Front and Rear
Parking Assist (UFRPA) system, this message displays
if there is a problem with the UFRPA system. Do not
use this system to help you park. SeeUltrasonic Front
and Rear Parking Assist (UFRPA) on page 2-40for
more information. See your dealer/retailer for service.
3-82