steering CADILLAC DTS 2009 1.G Service Manual

Audio System
When using the in-vehicle Bluetooth system, sound
comes through the vehicle’s front audio system speakers
and overrides the audio system. Use the audio system
volume knob, during a call, to change the volume level.
The adjusted volume level remains in memory for later
calls. To prevent missed calls, a minimum volume level
is used if the volume is turned down too low.
Bluetooth Controls
Use the buttons located on the steering wheel to
operate the in-vehicle Bluetooth system. SeeAudio
Steering Wheel Controls on page 3-127for more
information.
bg(Push To Talk):Press to answer incoming calls,
to conrm system information, and to start speech
recognition.
cx(Phone On Hook):Press to end a call, reject a
call, or to cancel an operation.
Pairing
A Bluetooth enabled cell phone must be paired to
the in-vehicle Bluetooth system rst and then connected
to the vehicle before it can be used. See the cell phone
manufacturers user guide for Bluetooth functions
before pairing the cell phone. If a Bluetooth phone is not
connected, calls will be made using OnStar
®Hands-Free
Calling, if available. Refer to the OnStar owner’s guide for
more information.
Pairing Information:
Up to ve cell phones can be paired to the in-vehicle
Bluetooth system.
The pairing process is disabled when the vehicle is
moving.
The in-vehicle Bluetooth system automatically links
with the rst available paired cell phone in the
order the phone was paired.
Only one paired cell phone can be connected to the
in-vehicle Bluetooth system at a time.
Pairing should only need to be completed once,
unless changes to the pairing information have
been made or the phone is deleted.
To link to a different paired phone, see Linking to a
Different Phone later in this section.
3-117

Theft-Deterrent Feature
THEFTLOCK®is designed to discourage theft of the
vehicle’s radio by learning a portion of the Vehicle
Identication Number (VIN). The radio does not operate
if it is stolen or moved to a different vehicle.
Audio Steering Wheel Controls
Vehicles with audio
steering wheel controls
could differ depending
on the vehicle’s options.
Some audio controls can
be adjusted at the steering
wheel.
w(Next):Press to go to the next radio station stored
as a favorite, or the next track if a CD/DVD is playing.
cx(Previous/End):Press to go to the previous
radio station stored as a favorite, the next track if a
CD/DVD is playing, to reject an incoming call, or end
a current call.
bg(Mute/Push to Talk):Press to silence the vehicle
speakers only. Press again to turn the sound on.
For vehicles with OnStar
®or Bluetooth systems press
and hold for longer than two seconds to interact with
those systems. SeeOnStar
®System on page 2-51
andBluetooth®on page 3-116in this manual for more
information.
SRCE (Source):Press to switch between the radio
(AM, FM, XM), CD, and for vehicles with, DVD,
front auxiliary, and rear auxiliary.
For vehicles with the navigation system, press and hold
this button for longer than two seconds to initiate voice
recognition. See “Voice Recognition” in the Navigation
System manual for more information.
+
e−e(Volume):Press to increase or to decrease
the radio volume.
¨(Seek):Press to go to the next radio station while
in AM, FM, or XM™. Press
¨to go to the next track or
chapter while sourced to the CD or DVD slot. Press
the
¨if multiple discs are loaded to go to the next disc
while sourced to a CD player.
3-127

Your Driving, the Road, and the Vehicle............4-2
Driving for Better Fuel Economy.......................4-2
Defensive Driving...........................................4-2
Drunk Driving.................................................4-3
Control of a Vehicle........................................4-3
Braking.........................................................4-4
Antilock Brake System (ABS)...........................4-4
Braking in Emergencies...................................4-5
StabiliTrak
®System........................................4-6
Traction Control System (TCS).........................4-6
Magnetic Ride Control™..................................4-8
Steering........................................................4-8
Off-Road Recovery.......................................4-10
Passing.......................................................4-10
Loss of Control.............................................4-10Driving at Night............................................4-12
Driving in Rain and on Wet Roads..................4-12
Before Leaving on a Long Trip.......................4-14
Highway Hypnosis........................................4-14
Hill and Mountain Roads................................4-15
Winter Driving..............................................4-16
If Your Vehicle is Stuck in Sand, Mud,
Ice, or Snow.............................................4-18
Rocking Your Vehicle to Get It Out.................4-19
Loading the Vehicle......................................4-19
Towing..........................................................4-26
Towing Your Vehicle.....................................4-26
Recreational Vehicle Towing...........................4-26
Towing a Trailer...........................................4-28
Section 4 Driving Your Vehicle
4-1

Drunk Driving
{CAUTION:
Drinking and then driving is very dangerous. Your
reexes, perceptions, attentiveness, and judgment
can be affected by even a small amount of alcohol.
You can have a serious — or even fatal — collision
if you drive after drinking. Do not drink and drive or
ride with a driver who has been drinking. Ride home
in a cab; or if you are with a group, designate a
driver who will not drink.
Death and injury associated with drinking and driving is
a global tragedy.
Alcohol affects four things that anyone needs to drive a
vehicle: judgment, muscular coordination, vision, and
attentiveness.
Police records show that almost 40 percent of all motor
vehicle-related deaths involve alcohol. In most cases,
these deaths are the result of someone who was drinking
and driving. In recent years, more than 17,000 annual
motor vehicle-related deaths have been associated with
the use of alcohol, with about 250,000 people injured.For persons under 21, it is against the law in every
U.S. state to drink alcohol. There are good medical,
psychological, and developmental reasons for
these laws.
The obvious way to eliminate the leading highway
safety problem is for people never to drink alcohol and
then drive.
Medical research shows that alcohol in a person’s
system can make crash injuries worse, especially
injuries to the brain, spinal cord, or heart. This means
that when anyone who has been drinking — driver
or passenger — is in a crash, that person’s chance of
being killed or permanently disabled is higher than if the
person had not been drinking.
Control of a Vehicle
The following three systems help to control the vehicle
while driving — brakes, steering, and accelerator.
At times, as when driving on snow or ice, it is easy to ask
more of those control systems than the tires and road can
provide. Meaning, you can lose control of the vehicle.
SeeTraction Control System (TCS) on page 4-6.
Adding non-dealer/non-retailer accessories can affect
vehicle performance. SeeAccessories and Modifications
on page 5-3.
4-3

If there is a problem with
ABS, this warning light
stays on. SeeAntilock
Brake System (ABS)
Warning Light on
page 3-57.
Let us say the road is wet and you are driving safely.
Suddenly, an animal jumps out in front of you. You slam
on the brakes and continue braking. Here is what
happens with ABS:
A computer senses that the wheels are slowing down.
If one of the wheels is about to stop rolling, the computer
will separately work the brakes at each front wheel
and at both rear wheels.
ABS can change the brake pressure to each wheel, as
required, faster than any driver could. This can help
the driver steer around the obstacle while braking hard.
As the brakes are applied, the computer keeps receiving
updates on wheel speed and controls braking pressure
accordingly.
Remember: ABS does not change the time needed to get
a foot up to the brake pedal or always decrease stopping
distance. If you get too close to the vehicle in front of you,
there will not be enough time to apply the brakes if that
vehicle suddenly slows or stops. Always leave enough
room up ahead to stop, even with ABS.Using ABS
Do not pump the brakes. Just hold the brake pedal
down rmly and let antilock work. The antilock pump or
motor operating might be heard and the brake pedal
might be felt to pulsate, but this is normal.
Braking in Emergencies
ABS allows the driver to steer and brake at the same
time. In many emergencies, steering can help more than
even the very best braking.
Brake Assist
This vehicle has a Brake Assist feature designed to
assist the driver in stopping or decreasing vehicle speed
in emergency driving conditions. This feature uses the
stability system hydraulic brake control module to
supplement the power brake system under conditions
where the driver has quickly and forcefully applied
the brake pedal in an attempt to quickly stop or slow
down the vehicle. The stability system hydraulic
brake control module increases brake pressure at each
corner of the vehicle until the ABS activates. Minor
brake pedal pulsations or pedal movement during this
time is normal and the driver should continue to
apply the brake pedal as the driving situation dictates
The Brake Assist feature will automatically disengage
when the brake pedal is released or brake pedal
pressure is quickly decreased.
4-5

Adding non-dealer/non-retailer accessories can affect
the vehicle’s performance. SeeAccessories and
Modifications on page 5-3for more information.
Magnetic Ride Control™
The vehicle may have Magnetic Ride Control that
automatically adjusts the ride of the vehicle.
The controller receives input from the system to
determine the proper ride. If the controller detects a
problem within the system, the Driver Information
Center (DIC) displays a SERVICE SUSPENSION SYS
message. SeeDIC Warnings and Messages on
page 3-73for more information. If this message appears,
have the vehicle serviced at your dealer/retailer.
Electronically Controlled Air Ride
Suspension
Professional Vehicles may have Electronically Controlled
Air Suspension. The air ride controller receives input
from the system to determine the proper ride. If the
controller detects a problem with the system, the DIC
will display a SERVICE SUSPENSION SYS message.
If this message appears, have the vehicle serviced
at your dealer/retailer.
Steering
Power Steering
If power steering assist is lost because the engine stops
or the system is not functioning, the vehicle can be
steered but it will take more effort.
Magnetic Speed Variable Assist
Steering System
This system continuously adjusts the effort felt when
steering at all vehicle speeds. It provides ease
when parking, yet a rm, solid feel at highway speeds.
Steering Tips
It is important to take curves at a reasonable speed.
Traction in a curve depends on the condition of the tires
and the road surface, the angle at which the curve is
banked, and vehicle speed. While in a curve, speed is
the one factor that can be controlled.
If there is a need to reduce speed, do it before entering
the curve, while the front wheels are straight.
Try to adjust the speed so you can drive through the
curve. Maintain a reasonable, steady speed. Wait to
accelerate until out of the curve, and then accelerate
gently into the straightaway.
4-8

Steering in Emergencies
There are times when steering can be more effective
than braking. For example, you come over a hill and nd
a truck stopped in your lane, or a car suddenly pulls
out from nowhere, or a child darts out from between
parked cars and stops right in front of you. These
problems can be avoided by braking — if you can stop
in time. But sometimes you cannot stop in time
because there is no room. That is the time for evasive
action — steering around the problem.
The vehicle can perform very well in emergencies like
these. First apply the brakes. SeeBraking on page 4-4.
It is better to remove as much speed as possible
from a collision. Then steer around the problem, to the
left or right depending on the space available.
An emergency like this requires close attention and a
quick decision. If holding the steering wheel at the
recommended 9 and 3 o’clock positions, it can be turned
a full 180 degrees very quickly without removing
either hand. But you have to act fast, steer quickly, and
just as quickly straighten the wheel once you have
avoided the object.
The fact that such emergency situations are always
possible is a good reason to practice defensive driving
at all times and wear safety belts properly.
4-9

Off-Road Recovery
The vehicle’s right wheels can drop off the edge of a
road onto the shoulder while driving.
If the level of the shoulder is only slightly below the
pavement, recovery should be fairly easy. Ease off the
accelerator and then, if there is nothing in the way,
steer so that the vehicle straddles the edge of the
pavement. Turn the steering wheel 3 to 5 inches,
8 to 13 cm, (about one-eighth turn) until the right front
tire contacts the pavement edge. Then turn the steering
wheel to go straight down the roadway.
Passing
Passing another vehicle on a two-lane road can be
dangerous. To reduce the risk of danger while passing:
Look down the road, to the sides, and to crossroads
for situations that might affect a successful pass.
If in doubt, wait.
Watch for traffic signs, pavement markings, and
lines that could indicate a turn or an intersection.
Never cross a solid or double-solid line on your side
of the lane.
Do not get too close to the vehicle you want to
pass. Doing so can reduce your visibility.
Wait your turn to pass a slow vehicle.
When you are being passed, ease to the right.
Loss of Control
Let us review what driving experts say about what
happens when the three control systems — brakes,
steering, and acceleration — do not have enough friction
where the tires meet the road to do what the driver has
asked.
In any emergency, do not give up. Keep trying to steer
and constantly seek an escape route or area of less
danger.
4-10

Skidding
In a skid, a driver can lose control of the vehicle.
Defensive drivers avoid most skids by taking reasonable
care suited to existing conditions, and by not overdriving
those conditions. But skids are always possible.
The three types of skids correspond to the vehicle’s
three control systems. In the braking skid, the wheels
are not rolling. In the steering or cornering skid, too
much speed or steering in a curve causes tires to slip
and lose cornering force. And in the acceleration
skid, too much throttle causes the driving wheels
to spin.
Remember: Any traction control system helps avoid only
the acceleration skid. If the traction control system is
off, then an acceleration skid is best handled by easing
your foot off the accelerator pedal.
If the vehicle starts to slide, ease your foot off the
accelerator pedal and quickly steer the way you want
the vehicle to go. If you start steering quickly enough,
the vehicle may straighten out. Always be ready for
a second skid if it occurs.If the vehicle has StabiliTrak
®, the system may be
active. SeeStabiliTrak®System on page 4-6.
Of course, traction is reduced when water, snow, ice,
gravel, or other material is on the road. For safety, slow
down and adjust your driving to these conditions. It is
important to slow down on slippery surfaces because
stopping distance will be longer and vehicle control more
limited.
While driving on a surface with reduced traction, try your
best to avoid sudden steering, acceleration, or braking,
including reducing vehicle speed by shifting to a lower
gear. Any sudden changes could cause the tires to
slide. You may not realize the surface is slippery until
the vehicle is skidding. Learn to recognize warning
clues — such as enough water, ice, or packed snow on
the road to make a mirrored surface — and slow down
when you have any doubt.
Remember: Any Antilock Brake System (ABS) helps
avoid only the braking skid.
4-11

Winter Driving
Driving on Snow or Ice
Drive carefully when there is snow or ice between the
tires and the road, creating less traction or grip. Wet ice
can occur at about 32°F (0°C) when freezing rain
begins to fall, resulting in even less traction. Avoid
driving on wet ice or in freezing rain until roads can be
treated with salt or sand.
Drive with caution, whatever the condition. Accelerate
gently so traction is not lost. Accelerating too quickly
causes the wheels to spin and makes the surface under
the tires slick, so there is even less traction.
Try not to break the fragile traction. If you accelerate too
fast, the drive wheels will spin and polish the surface
under the tires even more.
TheTraction Control System (TCS) on page 4-6
improves the ability to accelerate on slippery roads,
but slow down and adjust your driving to the road
conditions. When driving through deep snow, turn off
the traction control system to help maintain vehicle
motion at lower speeds.TheAntilock Brake System (ABS) on page 4-4improves
vehicle stability during hard stops on a slippery roads,
but apply the brakes sooner than when on dry
pavement.
Allow greater following distance on any slippery road
and watch for slippery spots. Icy patches can occur on
otherwise clear roads in shaded areas. The surface
of a curve or an overpass can remain icy when
the surrounding roads are clear. Avoid sudden steering
maneuvers and braking while on ice.
Turn off cruise control, if equipped, on slippery surfaces.
Blizzard Conditions
Being stuck in snow can be in a serious situation. Stay
with the vehicle unless there is help nearby. If possible,
use theRoadside Service on page 7-7. To get help and
keep everyone in the vehicle safe:
Turn on theHazard Warning Flashers on page 3-6.
Tie a red cloth to an outside mirror.
4-16