Page 468 of 528

Black plate (118,1)Cadillac STS Owner Manual - 2011
Fuses MiniUsage
EKM/I/P MDLEasy Key Module (EKM), Instrument
Panel Module (I/P MDL)
EVEN COILS Even Ignition Coils, Even Fuel
Injectors
FOG LAMP Front Fog Lamps
FRT PWR OUTLET Front Accessory Power Outlet
FUEL COOL Fuel Cooling HORN Horn
HTD
WASH/AQS Heated Headlamp Washer, Air Quality
Sensor
HUD Heads-Up Display, Steering Column
Switch
I/BEAM IntelliBeam Relay
I/P MDL/ALDL Instrument Panel Module, Assembly
Line Data Link Connector
LIC DIM License Plate, Instrument Panel
Dimming
LT HI BEAM Driver Side High Beam Headlamp
LT LO BEAM Driver Side Low Beam Headlamp
Fuses Mini Usage
LT PRKDriver Side Park Lamp/Driver Side
Taillamp
ODD COILS Odd Ignition Coils, Odd Fuel Injectors
POST O2 SNSR Post Oxygen Sensor PRE O2 SNSR Pre Oxygen Sensor, CAM Sensors
RAIN
SNSR/TPM Rain Sensor, Relay Coil:
Headlamp Wash
RT HI BEAM Passenger Side High Beam
Headlamp
RT LO BEAM Passenger Side Low Beam Headlamp
RT PRK Passenger Side Park Lamp,
Passenger Side Taillamp
SPARE Spare
SPARE Spare
SPARE Spare
SPARE Spare
SPARE Spare
SPARE Spare
SPARE Spare
6-118
Page 474 of 528
Black plate (124,1)Cadillac STS Owner Manual - 2011
RelaysUsage
SPARE Spare
ELC CMPRSR Electronic Level Control, Compressor
(Option)
LT POS Left Rear Taillamp, Position Lamps
(Option)
RT POS Right Rear Taillamp, Position Lamps
(Option)
RUN Ignition 3
STDBY LAMP Rear Taillamps, Position Lamps
(Option)
TRUNK RELSE Trunk Release Motor
BCK/UP LAMP Reverse Lamps, Rear Parking Aid,
Inside Rearview Mirror
Circuit
Breakers Usage
PWR SEATS Power Seats
Diodes
Usage
SPARE Spare
Joint
Connector Usage
J/C Splice Pack (Green)
6-124
Page 477 of 528
Black plate (127,1)Cadillac STS Owner Manual - 2011
RelaysUsage
SPARE Spare
FUEL PUMP Fuel Pump
INT LAMP Interior Lamps
REAR DEFOG Rear Defogger REAR/FOG Rear Fog Lamps (Option)
RUN/CRNK Ignition 1 SPARE Spare
STOP LAMP Stop Lamp
Circuit
Breakers Usage
WINDOW MTRS Power Window Motors Circuit Breaker
Diodes
Usage
TRUNK DIODE Trunk Release
Joint
Connector Usage
J/C Splice Pack (Blue)
6-127
Page 514 of 528

Black plate (20,1)Cadillac STS Owner Manual - 2011
GM will not access this data or share it with others
except: with the consent of the vehicle owner or, if the
vehicle is leased, with the consent of the lessee; in
response to an official request of police or similar
government office; as part of GM's defense of litigation
through the discovery process; or, as required by law.
Data that GM collects or receives may also be used for
GM research needs or may be made available to others
for research purposes, where a need is shown and the
data is not tied to a specific vehicle or vehicle owner.
OnStar®
If your vehicle is equipped with an active OnStar
system, that system may also record data in crash or
near crash‐like situations. The OnStar Terms and
Conditions provides information on data collection and
use and is available in the OnStar glove box kit, at
www.onstar.com (U.S.) or www.onstar.ca (Canada),
or by pressing the
Qbutton and speaking to an
advisor.
Navigation System
If the vehicle has a navigation system, use of the
system may result in the storage of destinations,
addresses, telephone numbers, and other trip
information. Refer to the navigation system operating
manual for information on stored data and for deletion
instructions.
Radio Frequency
Identification (RFID)
RFID technology is used in some vehicles for functions
such as tire pressure monitoring and ignition system
security, as well as in connection with conveniences
such as key fobs for remote door locking/unlocking and
starting, and in-vehicle transmitters for garage door
openers. RFID technology in GM vehicles does not use
or record personal information or link with any other GM
system containing personal information.
Radio Frequency Statement
This vehicle has systems that operate on a radio
frequency that comply with Part 15 of the Federal
Communications Commission (FCC) rules and with
Industry Canada Standards RSS‐210/220/310.
Operation is subject to the following two conditions:
1. The device may not cause interference.
2. The device must accept any interference received, including interference that may cause undesired
operation of the device.
Changes or modifications to any of these systems by
other than an authorized service facility could void
authorization to use this equipment.
8-20
Page 521 of 528

Black plate (7,1)Cadillac STS Owner Manual - 2011
Heated Seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4, 2-5
HeaterEngine Coolant . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-29
High-Speed Operation, Tires . . . . . . . . . . . . . . . . . . . . . . 6-60
Highbeam On Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-68
Highway Hypnosis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-18
Hill and Mountain Roads . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-19
Hood Checking Things Under . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-12
Release . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-12
Horn . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-3
How to Wear Safety Belts Properly . . . . . . . . . . . . . . . . 2-19
I
Ignition Positions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-26
Immobilizer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-24
Inadvertent Power Battery Saver . . . . . . . . . . . . . . . . . . 4-37
Infants and Young Children, Restraints . . . . . . . . . . . . 2-38
Inflation - Tire Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-58
Instrument Panel
Brightness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-35
Instrument Panel Cluster . . . . . . . . . . . . . . . . . . . . . . . . . . 4-52
Integrated Trailer Brake Control System (ITBC) . . . . 5-31
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-2
J
Jump Starting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-38
K
Keyless Access System . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-4
Keyless Access System, Operation . . . . . . . . . . . . . . . . . .3-5
Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-3
L
Labeling, Tire Sidewall . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-52
Lamps Back-Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-48
Daytime Running (DRL) . . . . . . . . . . . . . . . . . . . . . . . . . . 4-32
Exterior Lighting Battery Saver . . . . . . . . . . . . . . . . . . . 4-35
Malfunction Indicator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-62
Reading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-36
Twilight Sentinel
®. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-34
Lane Departure Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-47
Lane Departure Warning Light . . . . . . . . . . . . . . . . . . . . . 4-60
Lap-Shoulder Belt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-28
LATCH System for Child Restraints . . . . . . . . . . . . . . . . 2-45
Lighting Entry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-36
Parade Dimming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-36
Lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-27 Airbag Readiness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-54
Antilock Brake System (ABS) Warning . . . . . . . . . . . . 4-59
Brake System Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-58
Charging System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-57
Cruise Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-67
i - 7