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38 KEYS, DOORS, AND WINDOWS
.Pull once on the door handle to
unlock the door and again to open
the door.
Keyless Access
When the doors are locked and the
RKE transmitter is within 1 m (3 ft) of
the driver door handle, press the lock/
unlock button. When unlocking from
the driver door, the first press unlocks
that door; press again within
five seconds to unlock the passenger
door and the trunk. See Remote
Keyless Entry (RKE) System Operation
0 29. Driver Door Key Lock Cylinder
Access (In Case of Dead Battery)
To access the driver door key lock
cylinder:
1. Pull the door handle (1) to the open position and hold it open
until the cap removal is
complete.
2. Insert the key into the slot (3) on the bottom of the cap (2) and lift
the key upward.
3. Move the cap (2) rearward and remove.
4. Use the key in the cylinder. To replace the cap:
1. Pull the door handle (1) to the open position and hold it open
until the cap installation is
complete.
2. Insert the two tabs (6) at theback of the cap between the
seal (5) and the metal base (4).

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KEYS, DOORS, AND WINDOWS 39
3. Slide the cap forward and pressthe forward edge to install the
cap in place.
4. Release the door handle. 5. Check that the cap is secure.
Free-Turning Locks
The door key lock cylinder turns freely
when either the wrong key is used,
or the correct key is not fully inserted.
The free-turning door lock feature
prevents the lock from being forced
open. To reset the lock, turn it to the
vertical position with the correct key
fully inserted. Remove the key and
insert it again. If this does not reset
the lock, turn the key halfway around
in the cylinder and repeat the reset
procedure.
Power Door Locks
Q: Press to lock the doors. The
indicator light in the switch will
illuminate when activated.
K: Press to unlock the doors.
The fuel door is also locked or
unlocked using these features.
Delayed Locking
This feature delays the actual locking
of the doors until five seconds after all
doors are closed.

Cadillac ATS/ATS-V Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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40 KEYS, DOORS, AND WINDOWS
Delayed locking can only be turned on
when the Open Door Anti-Lockout
feature has been turned off.
When
Qis pressed on the power door
lock switch with the door open, a
chime will sound three times
indicating that delayed locking is
active.
The doors will then lock automatically
five seconds after all doors are closed.
If a door is reopened before
five seconds have elapsed, the
five-second timer will reset once all
the doors are closed again.
Press
Qon the door lock switch again,
or press
Qon the RKE transmitter, to
override this feature and lock the
doors immediately.
Delayed locking can be programmed
through the Driver Information Center
(DIC). See Vehicle Personalization
0 135.
Automatic Door Locks
The vehicle is programmed so that
when the doors are closed, the
ignition is on, and the shift lever is
moved out of P (Park) for automatic
transmissions, or the vehicle speed is
above 13 km/h (8 mph) for manual
transmissions, the doors will lock.
If a vehicle door is unlocked and then
opened and closed, the doors will lock
either when your foot is removed from
the brake or the vehicle speed
becomes faster than 13 km/h (8 mph).
To unlock the doors:
.
Press an unlock switch on a door.
. For vehicles with an automatic
transmission, shift the
transmission into P (Park).
. For vehicles with a manual
transmission, turn the vehicle off
when parked.
Automatic door locking cannot be
disabled. Automatic door unlocking
can be programmed. See Vehicle
Personalization 0135.
Lockout Protection
If the vehicle is on or in ACC/
ACCESSORY and the power door lock
switch is pressed with the driver door
open, all the doors will lock and only
the driver door will unlock.
If the vehicle is off and is locked while
a door is open, when all doors are
closed the vehicle will check for RKE
transmitter(s) inside. If RKE
transmitter(s) are detected and none
were removed, the driver door will
unlock and the horn will chirp three
times.
This feature can be manually
overridden with the driver door open
by pressing and holding
Qon the
power door lock switch.
Open Door Anti-Lockout
If Open Door Anti-Lockout has been
turned on and the vehicle is off, the
driver door is open, and locking is
requested, all the doors will lock and
the driver door will remain unlocked.
Push the lock button on the door or
the RKE transmitter a second time to
lock the driver door.

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KEYS, DOORS, AND WINDOWS 41
The Open Door Anti-Lockout feature
can be turned on or off. SeeVehicle
Personalization 0135.
When this feature is off, the Delayed
Door Lock menu will be available.Doors
Trunk
{Warning
Exhaust gases can enter the vehicle
if it is driven with the liftgate or
trunk/hatch open, or with any
objects that pass through the seal
between the body and the trunk/
hatch or liftgate. Engine exhaust
contains carbon monoxide (CO)
which cannot be seen or smelled.
It can cause unconsciousness and
even death.
If the vehicle must be driven with
the liftgate or trunk/hatch open: . Close all of the windows.
. Fully open the air outlets on
or under the instrument
panel.
. Adjust the climate control
system to a setting that
brings in only outside air and
(Continued)
Warning (Continued)
set the fan speed to the
highest setting. See “Climate
Control Systems” in the Index.
. If the vehicle is equipped with
a power liftgate, disable the
power liftgate function.
See Engine Exhaust 0193.
Trunk Lock Release
To open the trunk, the vehicle must
be off or the shift lever must be in
P (Park).
.
Press
|on the driver door.
. Press
Xtwice quickly on the RKE
transmitter.

Cadillac ATS/ATS-V Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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42 KEYS, DOORS, AND WINDOWS
.Press the touch pad on the rear of
the trunk above the license plate
when all doors are unlocked.
The trunk may also be opened while
the vehicle is locked by pressing the
touch pad on the rear of the trunk
above the license plate while the RKE
transmitter is within 1 m (3 ft) of the
rear of the vehicle.
Emergency Trunk Release
Handle
Caution
Do not use the emergency trunk
release handle as a tie-down or
anchor point when securing items
in the trunk as it could damage the
handle. There is a glow-in-the-dark emergency
trunk release handle on the trunk lid.
This handle will glow following
exposure to light. Pull the release
handle to open the trunk from the
inside.
After use, return to the stored
position.

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KEYS, DOORS, AND WINDOWS 43
Vehicle Security
This vehicle has theft-deterrent
features; however, they do not make
the vehicle impossible to steal.
Vehicle Alarm System
This vehicle has an anti-theft alarm
system.
The indicator light, on the instrument
panel near the windshield, indicates
the status of the system.
Off :Vehicle system is disarmed.
On Solid : Vehicle is secured during
the delay to arm the system. Fast Flash :
Vehicle is unsecured.
A door, the hood, or the trunk is open.
Slow Flash : Alarm system is armed.
Arming the Alarm System
1. Turn off the vehicle.
2. Lock the vehicle in one of
three ways:
.Use the RKE transmitter.
. Use the Keyless Access
system.
. With a door open, press the
interior
Q.
3. After 30 seconds the alarm system will arm, and the
indicator light will begin to
slowly flash indicating the alarm
system is operating. Pressing
Q
on the RKE transmitter a second
time will bypass the 30-second
delay and immediately arm the
alarm system.
The vehicle alarm system will not arm
if the doors are locked with the key. If the driver door is opened without
first unlocking with the RKE
transmitter, the horn will chirp and
the lights will flash to indicate
pre-alarm. If the vehicle is not started,
or the door is not unlocked by
pressing
Kon the RKE transmitter
during the 10-second pre-alarm, the
alarm will be activated.
The alarm will also be activated if a
passenger door, the trunk, or the hood
is opened without first disarming the
system. When the alarm is activated,
the turn signals flash and the horn
sounds for about 30 seconds. the
alarm system will then re-arm to
monitor for the next unauthorized
event.
Disarming the Alarm System
To disarm the alarm system or turn
off the alarm if it has been activated,
do one of the following:
. Press
Kon the RKE transmitter.
. Unlock the vehicle using the
Keyless Access system.
. Start the vehicle.

Cadillac ATS/ATS-V Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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44 KEYS, DOORS, AND WINDOWS
To avoid setting off the alarm by
accident:
.Lock the vehicle after all
occupants have left the vehicle
and all doors are closed.
. Always unlock a door with the
RKE transmitter or use the Keyless
Access system.
Unlocking the driver door with the key
will not disarm the system or turn off
the alarm.
How to Detect a Tamper
Condition
IfKis pressed on the RKE
transmitter and the horn chirps and
the lights flash three times, a previous
alarm occurred while the system was
armed.
If the alarm has been activated, a
message will appear on the DIC.
Power Sounder and Inclination
Sensor
In addition to the standard
theft-deterrent system features, this
system may also have a power
sounder and inclination sensor. The power sounder provides an
audible alarm which is distinct from
the vehicle’s horn. It has its own
power source, and can sound an alarm
if the vehicle’s battery is
compromised.
The inclination sensor can set off the
alarm if it senses movement of the
vehicle, such as a change in vehicle
orientation.
Immobilizer
See
Radio Frequency Statement 0356.
Immobilizer Operation
This vehicle has a passive
theft-deterrent system.
The system does not have to be
manually armed or disarmed.
The vehicle is automatically
immobilized when the vehicle is
turned off.
The immobilization system is
disarmed when the ignition is in ACC/
ACCESSORY mode or the vehicle is
started and a valid transmitter is
present in the vehicle.
The security light, in the instrument
cluster, comes on if there is a problem
with arming or disarming the
theft-deterrent system.
The system has one or more RKE
transmitters matched to an
immobilizer control unit in the
vehicle. Only a correctly matched RKE
transmitter will start the vehicle.
If the transmitter is ever damaged,
you may not be able to start your
vehicle.
When trying to start the vehicle, the
security light comes on briefly when
the ignition is turned on.
If the engine does not start and the
security light stays on, there is a
problem with the system. Turn the
vehicle off and try again.
If the vehicle will not change ignition
modes (ACC/ACCESSORY, on, off), and
the RKE transmitter appears to be

Cadillac ATS/ATS-V Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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52 SEATS AND RESTRAINTS
Head Restraints
If equipped with base seats, the
vehicle’s front seats have adjustable
head restraints in the outboard
seating positions.
If equipped with high performance
seats, the vehicle’s front seats have
head restraints in the outboard
seating positions that cannot be
adjusted.
{Warning
With head restraints that are not
installed and adjusted properly,
there is a greater chance that
occupants will suffer a neck/spinal
injury in a crash. Do not drive until
the head restraints for all occupants
are installed and adjusted properly.
If equipped with base seats, adjust the
head restraint so that the top of the
restraint is at the same height as the
top of the occupant's head. This
position reduces the chance of a neck
injury in a crash.
Front Seats
If equipped, the vehicle's front seats
have adjustable head restraints in the
outboard seating positions.
The height of the head restraint can
be adjusted.
To raise or lower the head restraint,
press the button located on the side of
the head restraint, and pull up or
push the head restraint down and
release the button. Pull and push on
the head restraint after the button is
released to make sure that it is locked
in place.