power steering CADILLAC DTS 2009 1.G User Guide

Power Tilt Wheel and Telescopic
Steering Column
If the vehicle has this
feature, the power tilt and
telescope wheel control is
located on the outboard
side of the steering column.
Press the control up or down to tilt the steering wheel
up or down.
Press the control forward or rearward and the steering
wheel moves toward the front or rear of the vehicle.
To set the memory position, seeDIC Vehicle
Customization on page 3-86andMemory Seat,
Mirrors and Steering Wheel on page 1-6.
Heated Steering Wheel
The vehicle may have a heated steering wheel.
The button for this feature
is located on the steering
wheel.
Press to turn the heated steering wheel on or off. A light
on the button displays while the feature is turned on.
Heating will begin in about three minutes.
3-7

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 2-42for
more information. See your dealer/retailer for service.
SERVICE POWER STEERING
Your vehicle may have a speed variable assist steering
system. SeeSteering on page 4-8.
This message displays if a problem is detected with
the speed variable assist steering system. When this
message is displayed, you may notice that the effort
required to steer the vehicle decreases or feels lighter,
but you will still be able to steer the vehicle.
SERVICE RADAR CRUISE
This message displays when the Adaptive Cruise
Control (ACC) system and the Forward Collision
Alert (FCA) system are disabled and need service.
See your dealer/retailer.
SERVICE SIDE BLIND ZONE ALERT
SYSTEM
If your vehicle has the Side Blind Zone Alert (SBZA)
system and this message displays, both SBZA displays
will remain on indicating there is a problem with the
SBZA system. If these displays remain on after continued
driving, the system needs service. See your dealer/
retailer. SeeSide Blind Zone Alert (SBZA) on page 2-45
for more information.
SERVICE STABILITRAK
Your vehicle may have a vehicle stability enhancement
system called StabiliTrak®. SeeStabiliTrak®System
on page 4-6.
This message displays if there has been a problem
detected with the StabiliTrak system.
If this message comes on while you are driving, pull
off the road as soon as possible and stop carefully.
Try resetting the system by turning the ignition off then
back on. If this message still stays on or comes back on
again while you are driving, your vehicle needs service.
Have the StabiliTrak system inspected by your dealer/
retailer as soon as possible.
3-81

EASY EXIT RECALL
If your vehicle has this feature, it allows you to select
your preference for the automatic easy exit seat feature.
SeeMemory Seat, Mirrors and Steering Wheel on
page 1-6for more information.
Press the customization button until EASY EXIT
RECALL 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:
DOOR BUTTON ONLY:No automatic seat exit recall
will occur. The recall will only occur after pressing
the easy exit seat button.
BUTTON AND KEY OUT (default):If the features are
enabled through the EASY EXIT SETUP menu, the
driver’s seat will move back, and if the vehicle has the
power tilt wheel and telescopic steering feature, the
power steering column will move up and forward when
the key is removed from the ignition or after pressing
the easy exit seat button.
The automatic easy exit seat movement will only occur
one time after the key is removed from the ignition.
If the automatic movement has already occurred, and
you put the key back in the ignition and remove it again,
the seat and steering column will stay in the original
exit position, unless a memory recall took place prior to
removing the key again.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.
EASY EXIT SETUP
If your vehicle has this feature, it allows you to select
which areas will recall with the automatic easy exit seat
feature. It also allows you to turn off the automatic easy
exit feature. SeeMemory Seat, Mirrors and Steering
Wheel on page 1-6and “EASY EXIT RECALL” earlier
for more information.
Press the customization button until EASY EXIT SETUP
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:No automatic seat exit will recall.
SEAT ONLY:The driver’s seat will recall.
TILT ONLY:The steering wheel tilt feature will recall.
TELESCOPE ONLY:The steering column telescope
feature will recall.
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SEAT/TILT:The driver’s seat and the steering wheel tilt
feature will recall.
SEAT/TELESCOPE:The driver’s seat and the steering
column telescope feature will recall.
TILT/TELESCOPE:The steering wheel tilt and steering
column telescope features will recall.
ALL (default):The driver’s seat and the steering wheel
tilt and steering column telescope features will recall,
if your vehicle has this option.
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.
MEMORY SEAT RECALL
If your vehicle has this feature, it allows you to select
your preference for the remote memory seat recall
feature. SeeMemory Seat, Mirrors and Steering
Wheel on page 1-6for more information.Press the customization button until MEMORY SEAT
RECALL 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 (default):No remote memory seat recall will
occur.
ON:The driver’s seat and outside mirrors will
automatically move to the stored driving position when
the unlock button on the Remote Keyless Entry (RKE)
transmitter is pressed. The steering column will also
move on vehicles with the power tilt and telescopic
steering feature. SeePower Tilt Wheel and Telescopic
Steering Column on page 3-7for more information.
See “RELEARN REMOTE KEY” underDIC Operation
and Displays on page 3-68for more information on
matching transmitters to driver ID numbers.
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.
3-93

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

Service............................................................5-3
Accessories and Modications..........................5-3
California Proposition 65 Warning.....................5-4
California Perchlorate Materials Requirements.....5-4
Doing Your Own Service Work.........................5-4
Adding Equipment to the Outside of
the Vehicle.................................................5-5
Fuel................................................................5-5
Gasoline Octane............................................5-5
Gasoline Specications....................................5-5
California Fuel...............................................5-5
Additives.......................................................5-6
Fuels in Foreign Countries...............................5-7
Filling the Tank..............................................5-7
Filling a Portable Fuel Container.......................5-9
Checking Things Under the Hood....................5-10
Hood Release..............................................5-11
Engine Compartment Overview.......................5-12
Engine Oil...................................................5-13
Engine Oil Life System..................................5-16
Engine Air Cleaner/Filter................................5-17
Automatic Transmission Fluid.........................5-19
Cooling System............................................5-22
Engine Coolant.............................................5-23
Coolant Surge Tank Pressure Cap..................5-27
Engine Overheating.......................................5-28Overheated Engine Protection
Operating Mode........................................5-30
Power Steering Fluid.....................................5-31
Windshield Washer Fluid................................5-32
Brakes........................................................5-33
Battery........................................................5-36
Jump Starting...............................................5-38
Headlamp Aiming...........................................5-43
Bulb Replacement..........................................5-46
High Intensity Discharge (HID) Lighting............5-46
Windshield Wiper Blade Replacement..............5-46
Tires..............................................................5-48
Tire Sidewall Labeling...................................5-49
Tire Terminology and Denitions.....................5-54
Ination - Tire Pressure.................................5-57
High-Speed Operation...................................5-59
Tire Pressure Monitor System.........................5-60
Tire Pressure Monitor Operation.....................5-61
Tire Inspection and Rotation...........................5-65
When It Is Time for New Tires.......................5-67
Buying New Tires.........................................5-68
Different Size Tires and Wheels......................5-69
Uniform Tire Quality Grading..........................5-70
Wheel Alignment and Tire Balance..................5-71
Wheel Replacement......................................5-71
Section 5 Service and Appearance Care
5-1

A.Underhood Fuse Block on page 5-95.
B. Remote Positive (+) Terminal. SeeJump Starting on
page 5-38.
C. Windshield Washer Fluid Reservoir. See “Adding
Washer Fluid” underWindshield Washer Fluid
on page 5-32.
D. Engine Coolant Surge Tank and Pressure Cap.
SeeEngine Coolant on page 5-23.
E. Remote Negative (−) Terminal. SeeJump Starting
on page 5-38.
F.Power Steering Fluid on page 5-31.
G. Engine Oil Fill Cap. See “When to Add Engine Oil”
underEngine Oil on page 5-13.
H. Engine Oil Dipstick. See “Checking Engine Oil”
underEngine Oil on page 5-13.
I. Brake Master Cylinder Reservoir. See “Brake Fluid”
underBrakes on page 5-33.
J. Automatic Transmission Fluid Cap and Dipstick
(Out of View). SeeAutomatic Transmission Fluid on
page 5-19.
K.Engine Air Cleaner/Filter on page 5-17.Engine Oil
Checking Engine Oil
It is a good idea to check the engine oil level at each
fuel ll. In order to get an accurate reading, the oil must
be warm and the vehicle must be on level ground.
The engine oil dipstick handle is a yellow loop. See
Engine Compartment Overview on page 5-12for
the location of the engine oil dipstick.
1. Turn off the engine and give the oil several minutes
to drain back into the oil pan. If this is not done, the
oil dipstick might not show the actual level.
2. Pull out the dipstick and clean it with a paper towel
or cloth, then push it back in all the way. Remove it
again, keeping the tip down, and check the level.
5-13

Power Steering Fluid
The power steering uid
reservoir is located next to
the underhood fuse block
on the passenger side of
the vehicle. SeeEngine
Compartment Overview
on page 5-12for more
information on location.
When to Check Power Steering Fluid
It is not necessary to regularly check power steering uid
unless you suspect there is a leak in the system or
you hear an unusual noise. A uid loss in this system
could indicate a problem. Have the system inspected
and repaired.
How to Check Power Steering Fluid
To check the power steering uid:
1. Turn the key off and let the engine compartment
cool down.
2. Wipe the cap and the top of the reservoir clean.
3. Unscrew the cap and wipe the dipstick with a
clean rag.
4. Replace the cap and completely tighten it.
5. Remove the cap again and look at the uid level on
the dipstick.
The level should be at the FULL COLD mark.
If necessary, add only enough uid to bring the
level up to the mark.
What to Use
To determine what kind of uid to use, see
Recommended Fluids and Lubricants on page 6-11.
Always use the proper uid.
Notice:Use of the incorrect uid may damage the
vehicle and the damages may not be covered by
the vehicle’s warranty. Always use the correct uid
listed inRecommended Fluids and Lubricants on
page 6-11.
5-31

Notice:If you leave the radio or other accessories
on during the jump starting procedure, they could be
damaged. The repairs would not be covered by the
warranty. Always turn off the radio and other
accessories when jump starting the vehicle.
3. Turn off the ignition on both vehicles. Unplug
unnecessary accessories plugged into the cigarette
lighter or the accessory power outlets. Turn off
the radio and all lamps that are not needed. This
will avoid sparks and help save both batteries. And
it could save the radio!
4. Open the hoods and locate the positive (+) and
negative (−) terminal locations on the other vehicle.
Your vehicle has a remote positive (+) jump starting
terminal and a remote negative (−) jump starting
terminal.The remote positive (+) terminal is located in the
engine compartment on the passenger’s side of the
vehicle. Lift the red plastic cap to access the terminal.
SeeEngine Compartment Overview on page 5-12
for more information on the location of the remote
positive (+) terminal.
A second remote positive (+) terminal is located on
the rear underseat fuse block.
The remote negative (−) terminal is located behind
the power steering pulley, near the engine cover.
It is marked GND (−). 4.6L LD8 Engine shown,
4.6L L37 Engine similar
5-39