
Black plate (1,1)Cadillac STS Owner Manual - 2011
Section 3 Features and Controls
Keys. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
Keyless Access System . . . . . . . . . . . . . . . . . . . . . . . . . 3-4
Keyless Access System Operation . . . . . . . . . . . . . . 3-5
Remote Vehicle Start . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10
Doors and Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-12
Door Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-12
Power Door Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-13
Programmable Automatic Door Locks . . . . . . . . . . 3-14
Rear Door Security Locks . . . . . . . . . . . . . . . . . . . . . 3-14
Lockout Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-15
Trunk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-15
Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-18
Power Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-19
Sun Visors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-21
Theft-Deterrent Systems . . . . . . . . . . . . . . . . . . . . . . . . .3-22
Theft-Deterrent System . . . . . . . . . . . . . . . . . . . . . . . . 3-22
Valet Lockout Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-24
Immobilizer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-24
Immobilizer Operation . . . . . . . . . . . . . . . . . . . . . . . . . 3-24 Starting and Operating Your Vehicle
. . . . . . . . . . . .3-25
New Vehicle Break-In . . . . . . . . . . . . . . . . . . . . . . . . . . 3-25
Ignition Positions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-26
Retained Accessory Power (RAP) . . . . . . . . . . . . . 3-27
Starting the Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-27
Engine Coolant Heater . . . . . . . . . . . . . . . . . . . . . . . . . 3-29
Automatic Transmission Operation . . . . . . . . . . . . . 3-30
Parking Brake . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-33
Shifting Into Park . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-34
Shifting Out of Park . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-35
Parking Over Things That Burn . . . . . . . . . . . . . . . . 3-35
Engine Exhaust . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-36
Running the Vehicle While Parked . . . . . . . . . . . . . 3-36
Mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-37
Automatic Dimming Rearview Mirror . . . . . . . . . . . 3-37
Compass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-38
Outside Power Mirrors . . . . . . . . . . . . . . . . . . . . . . . . . 3-39
Outside Automatic Dimming Mirror . . . . . . . . . . . . . 3-39
Park Tilt Mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-40
Outside Convex Mirror . . . . . . . . . . . . . . . . . . . . . . . . . 3-40
Outside Heated Mirrors . . . . . . . . . . . . . . . . . . . . . . . . 3-40
3-1

Black plate (5,1)Cadillac STS Owner Manual - 2011
If there is a decrease in the RKE operating range,
try this:
.Check the distance. The transmitter may be too
far from the vehicle. Stand closer during rainy or
snowy weather.
.Check the location. Other vehicles or objects may
be blocking the signal. Take a few steps to the left
or right, hold the transmitter higher, and try again.
.Check the transmitter's battery. See“Battery
Replacement” later in this section.
.If the transmitter is still not working correctly, see
your dealer or a qualified technician for service.
Keyless Access System Operation
The Keyless Access System transmitter functions will
work up to 195 feet (60 m) away from the vehicle.
The Keyless Access System lets you lock and unlock
the doors without removing the remote transmitter from
your pocket, purse, briefcase, etc. The keyless access
transmitter must be within 3 feet (1 m) of the front door
or trunk being opened.
Keyless Unlocking
Pull the door handle to unlock and open the door(s)
if the keyless access transmitter is within range. See
Door Locks
on page 3‑12for additional information.
To customize which doors unlock when pulling the
driver or passenger handle, see “Keyless FT (Front)
Door Unlock” and“Keyless Doors Unlock” under
Vehicle Personalization
on page 3‑59for additional
information.
Keyless Locking
The doors lock after several seconds if all doors are
closed and at least one keyless access transmitter
has been removed from the interior of the vehicle. To
customize whether the doors automatically lock when
exiting the vehicle, see "Keyless Lock Delay" under
Vehicle Personalization
on page 3‑59. for additional
information.
Keyless Trunk Opening
To open the trunk with the keyless access transmitter
within range, press the trunk release button located
above the license plate on the trunk. See Trunk
on
page 3‑15for additional information.
3-5

Black plate (6,1)Cadillac STS Owner Manual - 2011
Other conditions can affect the performance
of the transmitter. SeeKeyless Access Systemon
page 3‑4.
Q(Lock): Press once to lock the doors. The light on
the front doors comes on and the turn signals flash.
If
Qis pressed twice, the horn will also sound.
See “Lights Flash at Lock” and“Horn Chirps at Lock”
under Vehicle Personalization
on page 3‑59to change
the feedback feature.
K(Unlock): Press once to unlock the driver door.
The turn signals flash twice. Press
Ktwice within
five seconds to unlock all the doors. The interior
lamps may come on. See
“Lights Flash at Unlock” and“Ext. (Exterior) Lights
at Unlock” underVehicle Personalization
on page 3‑59to change the feedback feature.
Vehicles with the memory feature can be programmed
to recall memory settings when
Kis pressed on the
keyless access transmitter. See Memory Seat, Mirrors
and Steering Wheel
on page 3‑75for more information.
/(Remote Start): Press to operate the remote start
feature. See Remote Vehicle Starton page 3‑10.
V(Trunk):Press and hold to unlock the trunk. If the
engine is running, the shift lever must be in P (Park).
L(Vehicle Locator/Panic Alarm): Press and release
to locate the vehicle. The horn sounds three times and
the turn signal lamps flash three times. Press and hold
Lfor three seconds to sound the panic alarm. The
horn sounds and the turn signal lamps flash for
30 seconds. Press and release
Lagain to cancel the
panic alarm.
The vehicle comes with two transmitters. Each
transmitter will have a number on top of it, “1”or“2”.
These numbers correspond to the driver of the vehicle.
For example, the memory seat position for driver 1 will
be recalled when using the transmitter labeled “1”,
if enabled through the vehicle personalization. See
Memory Seat, Mirrors and Steering Wheel
on
page 3‑75and Vehicle Personalizationon page 3‑59for more information.
3-6

Black plate (7,1)Cadillac STS Owner Manual - 2011
Programming Transmitters to the
Vehicle
Only keyless access transmitters programmed to this
vehicle will work. If a transmitter is lost or stolen, a
replacement can be purchased and programmed
through your dealer. The vehicle can be reprogrammed
so that lost or stolen transmitters no longer work. Each
vehicle can have up to four transmitters programmed
to it.
Programming with a Recognized
Transmitter
A new transmitter can be programmed to the vehicle
when there is one recognized transmitter. For vehicles
sold in Canada, two recognized transmitters are
required to program a new transmitter.1. The vehicle must be off.
2. Both the recognized and new transmitters must be with you.
3. Insert the vehicle key into the key cylinder located on the outside of the driver door. 4. Turn the key to the unlock position five times within
five seconds.
5. The Driver Information Center (DIC) displays READY FOR FOB 2, 3 or 4.
6. Place the new transmitter into the transmitterpocket, located inside the center console storage
area located between the driver and front
passenger seats, with the transmitter buttons
facing the front of the vehicle.
3-7

Black plate (8,1)Cadillac STS Owner Manual - 2011
7. A beep sounds once programming in complete.The DIC displays READY FOR 3 or 4, or MAX #
FOBS LEARNED.
8. Remove the transmitter from the transmitter pocket and press
Ktwice on each newly programmed
transmitter to complete the process.
9. To program additional transmitters, repeat Step 6. Press Acc. on the ignition switch if programming is
complete.
Programming without a Recognized
Transmitter
This procedure requires three ten minutes cycles to
complete the programming process. United States
owners are permitted to program a new transmitter to
their vehicle when a recognized transmitter is not
available. The Canadian immobilizer standard requires
that Canadian owners see their dealer for programming
new transmitters when two recognized transmitters are
not available.
1. The vehicle must be off.
2. Place the new transmitter into the transmitter pocket, located inside the center console storage
area located between the driver and front
passenger seats, with the transmitter buttons
facing the front of the vehicle.
3. Insert the vehicle key into the key lock cylinder located on the driver door.
4. Turn the key to the unlock position five times within five seconds.
5. The DIC message displays OFF/ACC TO LEARN.
6. Press Acc. on the ignition switch.
3-8

Black plate (10,1)Cadillac STS Owner Manual - 2011
Battery Replacement
Notice:When replacing the battery, do not touch
any of the circuitry on the transmitter. Static from
your body could damage the transmitter.
1. Separate the transmitter with a flat, thin object inserted into the slot on the side of the transmitter.
2. Remove the old battery. Do not use a metal object.
3. Insert the new battery, positive side facing down. Replace with a CR2032 or equivalent battery.
4. Snap the transmitter back together.
Remote Vehicle Start
This feature allows you to start the engine from outside
the vehicle.
You can also program the remote vehicle start system
to start up the vehicle's automatic climate control
system. If this feature is turned on, the system monitors
the outside temperature and turns on the rear window
defogger, front window defogger, and heated or
ventilated seats, if your vehicle has them. See
“Personal Settings Menu” underVehicle Personalization
on page 3‑59.
/ (Remote Start): This button will be on the RKE
transmitter if you have remote start.
To start the vehicle using the remote start feature:
1. Aim the remote keyless access transmitter at the vehicle.
2. Press the transmitter's
Q, release it, and then
immediately press and hold the transmitter's
/for
at least three seconds or until the vehicle's turn
signal lamps flash. The vehicle's doors will be
locked.
When the vehicle starts, the parking lamps will turn
on and remain on while the vehicle is running.
3-10

Black plate (12,1)Cadillac STS Owner Manual - 2011
The remote start feature will not operate if any of the
following occur:
.The check engine light is displayed. See“Check
Engine Light” underMalfunction Indicator Lampon
page 4‑62.
.The valet lockout switch is on.
.The keyless access transmitter is in the vehicle.
.The vehicle's hood is open.
.An unauthorized vehicle entry or a vehicle theft
was attempted.
If your vehicle has the remote start feature, the keyless
access transmitter functions will have an increased
range of operation. However, the range may be less
while the vehicle is running.
There are other conditions which can affect the
performance of the transmitter, see Keyless Access
System on page 3‑4.
Doors and Locks
Door Locks
{WARNING:
Unlocked doors can be dangerous.
.Passengers, especially children, can easily
open the doors and fall out of a moving
vehicle. When a door is locked, the handle will
not open it. The chance of being thrown out of
the vehicle in a crash is increased if the doors
are not locked. So, all passengers should
wear safety belts properly and the doors
should be locked whenever the vehicle is
driven.
.Young children who get into unlocked vehicles
may be unable to get out. A child can be
overcome by extreme heat and can suffer
permanent injuries or even death from heat
stroke. Always lock the vehicle whenever
leaving it.
(Continued)
3-12

Black plate (13,1)Cadillac STS Owner Manual - 2011
WARNING: (Continued)
.Outsiders can easily enter through an
unlocked door when you slow down or stop
your vehicle. Locking your doors can help
prevent this from happening.
There are several ways to lock and unlock your vehicle.
From the outside:
.Pull the front door handle. If you have the keyless
access transmitter, the vehicle recognizes the
transmitter and automatically unlocks the door.
.Another way to lock or unlock the vehicle, is to
press
QorKon the keyless access transmitter.
See Vehicle Personalization
on page 3‑59for
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 Lockson page 3‑13for more information.
.Push down or pull up on the manual door lock
knob. The knob is located at the top of the door
panel near the window.
Power Door Locks
With power door locks, the switches on the front doors
can be used to lock and unlock the vehicle.
K(Unlock):Press to unlock the doors.
Q(Lock):Remove the key from the ignition and press
to lock the doors.
3-13