Cadillac 2010 STS User manual

2010 Cadillac STS Owner Manual M
In Brief ............................................ 1-1
Instrument Panel ................................. 1-2
Initial Drive Information . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
Vehicle Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-14
Performance and Maintenance . . . . . . . . . . . . . . . . . . 1-20
Seats and Restraint System ...................... 2-1
Front Seats ....................................... 2-2
Rear Seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7
Safety Belts ...................................... 2-8
Child Restraints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-28
Airbag System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-52
Restraint System Check . . . . . . . . . . . . . . . . . . . . . . . . . 2-68
Features and Controls ............................ 3-1
Keys ............................................. 3-3
Doors and Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-12
Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-18
Theft-Deterrent Systems . . . . . . . . . . . . . . . . . . . . . . . . 3-22
Starting and Operating Your Vehicle . . . . . . . . . . . . . 3-25
Mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-37
Object Detection Systems . . . . . . . . . . . . . . . . . . . . . . . 3-41
Universal Home Remote System . . . . . . . . . . . . . . . . 3-49
Storage Areas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-56
Sunroof ......................................... 3-57
Vehicle Personalization . . . . . . . . . . . . . . . . . . . . . . . . . 3-58
Instrument Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
Instrument Panel Overview . . . . . . . . . . . . . . . . . . . . . . . 4-3
Climate Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-44
Warning Lights, Gages, and Indicators . . . . . . . . . . 4-51
Driver Information Center (DIC) . . . . . . . . . . . . . . . . . 4-69
Audio System(s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-94
Driving Your Vehicle .............................. 5-1
Your Driving, the Road, and the Vehicle . . . . . . . . . . 5-2
Towing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-29
Service and Appearance Care . . . . . . . . . . . . . . . . . . . 6-1
Service ........................................... 6-4
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-6
Checking Things Under the Hood . . . . . . . . . . . . . . . 6-12
All-Wheel Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-45
Rear Axle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-46
Front Axle ....................................... 6-47
Headlamp Aiming ............................... 6-48

2010 Cadillac STS Owner Manual M
Bulb Replacement .............................. 6-49
Windshield Replacement . . . . . . . . . . . . . . . . . . . . . . . . 6-50
Windshield Wiper Blade Replacement . . . . . . . . . . . 6-51
Tires ............................................ 6-52
Appearance Care . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-108
Vehicle Identification . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-116
Electrical System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-116
Capacities and Specifications . . . . . . . . . . . . . . . . . . 6-130
Maintenance Schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1
Maintenance Schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-2
Customer Assistance Information ............... 8-1
Customer Assistance and Information . . . . . . . . . . . . 8-2
Reporting Safety Defects . . . . . . . . . . . . . . . . . . . . . . . . 8-14
Vehicle Data Recording and Privacy . . . . . . . . . . . . . 8-17
Index .................................... i-1

GENERAL MOTORS, GM, the GM Emblem,
CADILLAC, the CADILLAC Crest & Wreath, and the
name STS are registered trademarks and the name
STS-V is a trademark of General Motors LLC.
This manual describes features that may or may not
be on your specific vehicle either because they are
options that you did not purchase or due to changes
subsequent to the printing of this owner manual. Please
refer to the purchase documentation relating to your
specific vehicle to confirm each of the features found
on your vehicle. For vehicles first sold in Canada,
substitute the name “General Motors of Canada
Limited”for Cadillac Motor Division wherever it appears
in this manual.
Keep this manual in the vehicle for quick reference.
Canadian Owners
Propriétaires Canadiens
A French language copy of this manual can be obtained
from your dealer/retailer or from:
On peut obtenir un exemplaire de ce guide en français
auprès du concessionnaire ou à l'adresse suivante:
Helm, Incorporated
P.O. Box 07130
Detroit, MI 48207
1-800-551-4123
Numéro de poste 6438 de langue française
www.helminc.com
Index
To quickly locate information about the vehicle, use the
index in the back of the manual. It is an alphabetical list
of what is in the manual and the page number where it
can be found.
iii
Litho in the U.S.A.
Part No. 25919507 A First Printing ©2009 General Motors LLC. All Rights Reserved.

Safety Warnings and Symbols
Warning messages found on vehicle labels and in this
manual describe hazards and what to do to avoid or
reduce them.
Danger indicates a hazard with a high level of risk
which will result in serious injury or death.
Warning or Caution indicates a hazard that could result
in injury or death.
{WARNING:
These mean there is something that could hurt
you or other people.
Notice: This means there is something that could
result in property or vehicle damage. This would not
be covered by the vehicle's warranty.
A circle with a slash
through it is a safety
symbol which means “Do
Not,” “Do not do this,”or
“Do not let this happen.”
Vehicle Symbols
The vehicle has components and labels that use
symbols instead of text. Symbols are shown along with
the text describing the operation or information relating
to a specific component, control, message, gage,
or indicator.
M:This symbol is shown when you need to see your
owner manual for additional instructions or information.
*:This symbol is shown when you need to see a
service manual for additional instructions or information.
iv

Vehicle Symbol Chart
Here are some additional symbols that may be found on
the vehicle and what they mean. For more information
on the symbol, refer to the index.
9:Airbag Readiness Light
#:Air Conditioning
!:Antilock Brake System (ABS)
g:Audio Steering Wheel Controls or OnStar
®
$:Brake System Warning Light
":Charging System
I:Cruise Control
B:Engine Coolant Temperature
O:Exterior Lamps
#:Fog Lamps
.:Fuel Gage
+:Fuses
i:Headlamp High/Low-Beam Changer
j:LATCH System Child Restraints
*:Malfunction Indicator Lamp
::Oil Pressure
}:Power
/:Remote Vehicle Start
>:Safety Belt Reminders
7:Tire Pressure Monitor
F:Traction Control
M:Windshield Washer Fluid
v

2NOTES
vi

Section 1 In Brief
Instrument Panel ................................... 1-2
Initial Drive Information ........................... 1-4
Remote Keyless Entry (RKE) System . . . . . . . . . . . 1-4
Remote Vehicle Start . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
Door Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
Trunk ........................................... 1-6
Windows ........................................ 1-6
Seat Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
Heated Seats (Front) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8
Heated Seats (Rear) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8
Heated and Ventilated Seats . . . . . . . . . . . . . . . . . . . . 1-9
Head Restraint Adjustment . . . . . . . . . . . . . . . . . . . . . . 1-9
Safety Belt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9
Sensing System for Passenger Airbag . . . . . . . . . 1-10
Mirror Adjustment .............................. 1-10
Steering Wheel Adjustment . . . . . . . . . . . . . . . . . . . . 1-11
Interior Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-12
Exterior Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-12
Windshield Wiper/Washer . . . . . . . . . . . . . . . . . . . . . . 1-13
Climate Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-14
Vehicle Features .................................. 1-14
Radio(s) ....................................... 1-14
Satellite Radio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-16
Steering Wheel Controls . . . . . . . . . . . . . . . . . . . . . . . 1-16
Bluetooth
®
..................................... 1-17
Navigation System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-17
Driver Information Center (DIC) . . . . . . . . . . . . . . . . 1-18
Vehicle Personalization . . . . . . . . . . . . . . . . . . . . . . . . 1-19
Cruise Control ................................. 1-19
Power Outlets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-20
Performance and Maintenance .................. 1-20
Traction Control System (TCS) . . . . . . . . . . . . . . . . 1-20
StabiliTrak
®
.................................... 1-20
Tire Pressure Monitor . . . . . . . . . . . . . . . . . . . . . . . . . . 1-21
Tire Sealant and Compressor Kit . . . . . . . . . . . . . . 1-21
Engine Oil Life System . . . . . . . . . . . . . . . . . . . . . . . . 1-21
Driving for Better Fuel Economy . . . . . . . . . . . . . . . 1-22
Roadside Service .............................. 1-22
OnStar
®
....................................... 1-23
1-1

Instrument Panel
1-2

A. Outlet Adjustment on page 4‑48.
B. Instrument Panel Brightness
on page 4‑35 .DIC
Operation and Displays
on page 4‑70 .Head-Up
Display (HUD)
on page 4‑38 (If Equipped).
C. Turn Signal/Multifunction Lever
on page 4‑4 .
Headlamps
on page 4‑27 .Cruise Control on
page 4‑12
.Adaptive Cruise Control on page 4‑15
(If Equipped) . Forward Collision Alert (FCA)
System
on page 4‑6 (If Equipped) .
D. Instrument Panel Cluster on page 4‑52.
E. Windshield Wipers on page 4‑10.
F. Audio System(s)
on page 4‑94 .Navigation/Radio
System
on page 4‑113 (If Equipped) .
G. Audio Steering Wheel Controls
on page 4‑134
(If Equipped) . Adaptive Cruise Control on
page 4‑15
(If Equipped) . Heated Steering Wheel
on page 4‑4 (If Equipped) .
H. Power Tilt Wheel and Telescopic Steering Column
on page 4‑3 .
I. Horn on page 4‑3.
J. Ignition Positions on page 3‑26.
K. Dual Climate Control System
on page 4‑44 .
L. Hazard Warning Flashers on page 4‑3.
M. Cupholders on page 3‑56.
N. Traction Control System (TCS) on page 5‑9.
O. Shift Lever. See Automatic Transmission Operation
on page 3‑30 .
P. Glove Box on page 3‑56.
1-3

Initial Drive Information
This section provides a brief overview about some of
the important features that may or may not be on your
specific vehicle.
For more detailed information, refer to each of the
features which can be found later in this owner manual.
Remote Keyless Entry (RKE) System
The keyless access transmitter is used to lock and
unlock the doors from up to 60 m (195 feet) away from
the vehicle.
Press Kto unlock the
driver door. Press again
within five seconds to
unlock all remaining
doors.
Press Qto lock all doors.
Lock and unlock feedback can be personalized.
Press and hold Vto open the trunk.
Press Land release to locate the vehicle.
Press and hold Lfor three seconds to sound the panic
alarm.
Press Lagain to cancel the panic alarm.
Press the button (A) to remove the key. The key can be
used for all locks.
See Keys
on page 3‑3 and Keyless Access System
Operation on page 3‑5.
Remote Vehicle Start
With this feature the engine can be started from outside
of the vehicle.
Starting the Vehicle
1. Aim the remote keyless access transmitter at the
vehicle.
2. Press Q.
3. Immediately after completing Step 2, press and
hold /until the turn signal lamps flash.
1-4

When the vehicle starts, the parking lamps will turn on
and remain on as long as the engine is running. The
doors will be locked and the climate control system may
come on.
The engine will continue to run for 10 minutes. Repeat
the steps for a 10-minute time extension. Remote start
can be extended only once.
Canceling a Remote Start
To cancel a remote start:
.Aim the RKE transmitter at the vehicle and press
and hold /until the parking lamps turn off.
.Turn on the hazard warning flashers.
.Press the Acc. button (ignition switch).
.Turn on the valet lockout switch.
See Remote Vehicle Start on page 3‑10.
Door Locks
There are several ways to lock and unlock the vehicle.
From the outside:
.Pull the front door handle. If the vehicle has a
keyless access transmitter, the vehicle recognizes
the transmitter and automatically unlocks the door.
.Another way to lock or unlock the vehicle, is to
press Qor Kon the keyless access transmitter.
See Vehicle Personalization
on page 3‑58 for
information on how to program the keyless access
feature.
From the inside:
.Press the power door lock switch located on each
front door. See Power Door Locks
on page 3‑13
for more information.
.Push down or pull up on the manual door lock
knob for the rear door. The knob is located at the
top of the door panel near the window.
Power Door Locks
On vehicles with power door locks, the switches are
located on the front doors.
":Press to unlock the doors.
Q:Remove the key from the ignition and press to lock
the doors.
1-5

Trunk
Trunk Lid Release
There are three ways to open the trunk lid.
.Press the Vbutton located on the driver door.
.Press Von the keyless access transmitter.
.Squeeze the trunk release button located on the
rear of the trunk lid above the license plate.
See Trunk
on page 3‑15 for more information.
Windows
The power window switches are located on the armrest
near each window. Press the front of the switch to the
first position to open the window to the desired level.
Lift up the front of the switch to the first position to close
the window.
See Windows
on page 3‑18 for more information.
See Power Windows
on page 3‑19 for more
information.
1-6

Seat Adjustment
Power Seats
The power seat controls
are on the outboard side
of the seat(s).
Move the seat forward or rearward by moving the
control (A) forward or rearward.
Raise or lower the front or rear of the seat cushion by
moving the front or rear of the control (A) up or down.
See Power Seats on page 2‑2.
Power Reclining Seatbacks
The control is located on the outboard side of the
seat(s).
To raise or recline the seatback, tilt the top of the
control (B) forward or rearward.
See Power Reclining Seatbacks on page 2‑4.
Power Lumbar Adjustment
The control is located on
the outboard side of the
front seat(s).
Press the front or rear of the control to increase or
decrease lumbar support.
Press the top or bottom of the control to raise or lower
the position of the lumbar support.
See Power Lumbar on page 2‑3.
1-7

Heated Seats (Front)
On vehicles with heated
front seats, the buttons
are located on the climate
control panel.
z:Press the up or down arrow to turn on the heated
seat at the highest or lowest setting.
Press the up or down arrows a second time to raise or
lower the setting. Press the down arrow until the
indicator on the climate control displays is off.
See Heated Seats
on page 2‑3 for more information.
Heated Seats (Rear)
If the vehicle has this feature, the controls are located
on the center console.
Press the button to turn the heated seat on. Press the
button again to decrease the seat temperature or turn
the seat off.
The indicator lights represent which setting the heat is
on, 3 being the highest.
See Heated Seats
on page 2‑7 for more information.
1-8

Heated and Ventilated Seats
On vehicles with heated and ventilated seats, the
buttons are located on the climate control panel.
z:Press to heat the seat and seatback.
{:Press to ventilate the seat.
For more information see Heated and Ventilated Seats
on page 2‑4
Head Restraint Adjustment
Do not drive until the head restraints for all occupants
are installed and adjusted properly.
For more information see Head Restraints
on
page 2‑6
.
Safety Belt
Refer to the following sections for important information
on how to use safety belts properly.
.Safety Belts: They Are for Everyone on page 2‑8.
.How to Wear Safety Belts Properly on page 2‑13.
.Lap-Shoulder Belt on page 2‑22.
.Lower Anchors and Tethers for Children (LATCH)
on page 2‑39 .
1-9

Sensing System for Passenger
Airbag
The passenger sensing system will turn off the right
front passenger frontal airbag under certain conditions.
The driver airbag, seat‐mounted side impact airbags
and the roof‐rail airbags are not affected by the
passenger sensing system.
The passenger airbag status indicator will be visible on
the overhead console when the vehicle is started.
United States Canada
See Passenger Sensing System
on page 2‑61 for
important information.
Mirror Adjustment
Exterior Mirrors
Controls for the outside
power mirrors are located
on the driver door.
1. Move the selector switch left or right to choose the
driver side or passenger side mirror.
2. Press one of the four arrows located on the control
pad to move the mirror to the desired direction.
3. Return the selector switch to the center position
when finished adjusting.
The preferred mirror positions can be stored with the
memory option. See Memory Seat, Mirrors and Steering
Wheel on page 3‑75.
1-10

The dimming feature automatically adjusts the driver
outside mirror for the glare of the headlamps behind
your vehicle. See Automatic Dimming Rearview Mirror
on page 3‑37 for more information.
Manually fold the mirrors inward to prevent damage
when going through an automatic car wash. To fold,
push the mirror toward the vehicle. Push the mirror
outward, to return to its original position.
Interior Mirror
The vehicle has an automatic dimming inside rearview
mirror. Automatic dimming reduces the glare of lights
from behind the vehicle. The dimming feature comes on
and the indicator light illuminates each time the vehicle
is started.
See Automatic Dimming Rearview Mirror
on page 3‑37
for more information.
Steering Wheel Adjustment
The power tilt and telescope wheel control is located on
the left side of the steering column.
To adjust the steering wheel:
.Push the control up or down to tilt the steering
wheel up or down.
.Push the control forward or rearward to move the
steering wheel towards the front or rear of the
vehicle.
See Power Tilt Wheel and Telescopic Steering Column
on page 4‑3 .
1-11

Interior Lighting
Reading Lamps
The reading lamps are located on the overhead
console. These lamps come on automatically when any
door is opened.
For manual operation, press the button next to each
lamp to turn it on or off.
If the reading lamps are left on, they automatically shut
off 10 minutes after the ignition has been turned off.
For more information on interior lamps, see:
.Reading Lamps on page 4‑36.
.Entry Lighting on page 4‑36.
.Instrument Panel Brightness on page 4‑35.
Exterior Lighting
The exterior lamp control is located in the middle of the
turn signal/multifunction lever.
O:Turn the control with this symbol on it to operate
the exterior lamps.
The exterior lamp control has four positions:
O:Turns off all lamps and automatic lighting features,
including Daytime Running Lamps (DRL) and
IntelliBeam™.
AUTO : Turns the exterior lamps on and off
automatically depending upon how much light is outside
of the vehicle.
1-12

;:Turns on the parking lamps and other lamps.
5:Turns on the headlamps and other lamps.
For more information, see:
.Headlamps on page 4‑27.
.Daytime Running Lamps (DRL) on page 4‑32.
.Fog Lamps on page 4‑33.
Windshield Wiper/Washer
The windshield wiper lever is on the right side of the
steering column.
Move the lever to select the wiper speed:
7:Single wipe, move to 7and then release it.
The lever will return to its original position. For several
wipes, hold the lever in this position.
9:Turns the windshield wipers off.
&:For a delayed wiping cycle, move the lever
to &and turn the delay adjustment band to adjust the
frequency of wipes.
x:Turn the band up for more frequent wipes or
down for less frequent wipes. The windshield wiper
lever must be set to &for this feature to work.
6:Slow wipes.
1:Fast wipes.
See Windshield Wipers
on page 4‑10 and Windshield
Washer on page 4‑11.
1-13

Climate Controls
The heating, cooling, and ventilation can be controlled
for the vehicle with this system.
Vehicles With Heated and Ventilated Seats Shown,
Vehicles Without Similar
A. Driver and Passenger
Side Power Buttons
B. Ventilated Seat
C. AUTO
D. Air Recirculation
E. Air Conditioning
F. Heated Seat
G. Fan Control
H. Defrost
I. Rear Window Defogger
J. Air Delivery Mode
Control
See Dual Climate Control System
on page 4‑44 and
Rear Climate Control System on page 4‑49.
Vehicle Features
Radio(s)
Radio with CD
O:Press to turn the system on and off.
n:Turn to increase or to decrease the volume.
SRCE : Press to select between the radio or the
CD player.
BAND : Press to select FM1, FM2, AM, or XM1
or XM2.
w:Turn to select radio stations.
© ¨ :Seek or scan stations.
For more information about these and other radio
features, see Radio(s) on page 4‑95.
1-14