2019 CADILLAC XT4 parking brake

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
12017481) - 2019 - CRC - 11/5/18
136 INSTRUMENTS AND CONTROLS
Electric Parking Brake
Light
MetricEnglish
This light comes on when the parking
brake is applied. If the light continues
flashing after the parking brake is
released, or while driving, there is a
problem with the Electric Parking
Brake system. A message may also
display in the Driver Information
Center (DIC).
If the light does not come on,
or remains flashing, see your dealer.
Service Electric Parking
Brake Light
On some vehicles the service electric
parking brake light should come on
briefly when the vehicle is started.
If it does not come on, have it fixed so
it will be ready to warn if there is a
problem. For vehicles with the
reconfigurable cluster, this light may
not come on when the vehicle is
started.
If this light stays on, the vehicle
should be taken to a dealer as soon as
possible. See Electric Parking Brake
0 201. A message may also display in
the Driver Information Center (DIC).
Antilock Brake System
(ABS) Warning Light
This light comes on briefly when the
engine is started.
If the light does not come on, have it
fixed so it will be ready to warn if
there is a problem.
If the light comes on while driving,
stop as soon as it is safely possible
and turn off the vehicle. Then start
the engine again to reset the system.
If the ABS light stays on, or comes on
again while driving, the vehicle needs
service. A chime may also sound when
the light comes on steady.
If the ABS light is the only light on,
the vehicle has regular brakes, but the
antilock brakes are not functioning.

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
12017481) - 2019 - CRC - 11/5/18
160 LIGHTING
Exterior Lamps Off
Reminder
A warning chime sounds if the driver
door is opened while the ignition is off
and the exterior lamps are on.
Headlamp High/Low-Beam
Changer
3
:Push the turn signal lever away
from you and release, to turn the high
beams on. To return to low beams,
push the lever again or pull it toward
you and release.
This indicator light turns on in the
instrument cluster when the
high-beam headlamps are on.
Flash-to-Pass
To flash the high beams, pull the turn
signal lever toward you, and release.
Daytime Running
Lamps (DRL)
DRL can make it easier for others to
see the front of your vehicle during
the day. Fully functional DRL are
required on all vehicles first sold in
Canada.
The dedicated DRL will come on when
all of the following conditions are met:
. The ignition is on.
. The exterior lamp control is
in AUTO.
. The light sensor determines it is
daytime.
. The parking brake is released or
the vehicle is not in P (Park).
When the DRL are on, the taillamps,
sidemarker lamps, and other lamps
will not be on.
The DRL turn off when the headlamps
are turned to
Oor the ignition is off.
For vehicles first sold in Canada, the
DRL can only be turned off when the
vehicle is parked.
Automatic Headlamp
System
When the exterior lamp control is set
to AUTO and it is dark enough
outside, the headlamps come on
automatically.
There is a light sensor on top of the
instrument panel. Do not cover the
sensor.
The system may also turn on the
headlamps when driving through a
parking garage or tunnel.

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
12017481) - 2019 - CRC - 11/5/18
172 DRIVING AND OPERATING
Driving and
Operating
Driving Information
Driver Behavior . . . . . . . . . . . . . . . . . . . 173
Driving Environment . . . . . . . . . . . . . 173
Vehicle Design . . . . . . . . . . . . . . . . . . . . 173
Distracted Driving . . . . . . . . . . . . . . . . 174
Defensive Driving . . . . . . . . . . . . . . . . 174
Drunk Driving . . . . . . . . . . . . . . . . . . . . 174
Control of a Vehicle . . . . . . . . . . . . . . 175
Braking . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175
Steering . . . . . . . . . . . . . . . . . . . . . . . . . . . 175
Off-Road Recovery . . . . . . . . . . . . . . . . 176
Loss of Control . . . . . . . . . . . . . . . . . . . 176
Driving on Wet Roads . . . . . . . . . . . 177
Hill and Mountain Roads . . . . . . . . 178
Winter Driving . . . . . . . . . . . . . . . . . . . . 178
If the Vehicle Is Stuck . . . . . . . . . . . 179
Vehicle Load Limits . . . . . . . . . . . . . . 180
Starting and Operating
New Vehicle Break-In . . . . . . . . . . . . 184
Ignition Positions . . . . . . . . . . . . . . . . 184
Starting the Engine . . . . . . . . . . . . . . 186
Stop/Start System . . . . . . . . . . . . . . . . 187
Engine Heater . . . . . . . . . . . . . . . . . . . . 188Retained Accessory
Power (RAP) . . . . . . . . . . . . . . . . . . . . 189
Shifting Into Park . . . . . . . . . . . . . . . . 190
Shifting out of Park . . . . . . . . . . . . . . 190
Parking over Things That Burn . . . . . . . . . . . . . . . . . . . . . . . 192
Active Fuel Management . . . . . . . . 192
Extended Parking . . . . . . . . . . . . . . . . . 192
Engine Exhaust
Engine Exhaust . . . . . . . . . . . . . . . . . . . 193
Running the Vehicle While Parked . . . . . . . . . . . . . . . . . . . . . . . . . . . 194
Automatic Transmission
Automatic Transmission . . . . . . . . . 194
Manual Mode . . . . . . . . . . . . . . . . . . . . . 198
Drive Systems
All-Wheel Drive . . . . . . . . . . . . . . . . . . 200
Brakes
Antilock Brake System (ABS) . . . . 200
Electric Parking Brake . . . . . . . . . . . . 201
Brake Assist . . . . . . . . . . . . . . . . . . . . . . . 202
Hill Start Assist (HSA) . . . . . . . . . . . 203
Ride Control Systems
Traction Control/ElectronicStability Control . . . . . . . . . . . . . . . . 203
Driver Mode Control . . . . . . . . . . . . . 205
Cruise Control
Cruise Control . . . . . . . . . . . . . . . . . . . . 206
Adaptive Cruise Control . . . . . . . . . 209
Driver Assistance Systems
Driver Assistance Systems . . . . . . . 217
Assistance Systems for Parking or Backing . . . . . . . . . . . . . . . . . . . . . . . 219
Assistance Systems for Driving . . . . . . . . . . . . . . . . . . . . . . . . . . 226
Forward Collision Alert (FCA) System . . . . . . . . . . . . . . . . . . . . . . . . . . 226
Forward Automatic Braking (FAB) . . . . . . . . . . . . . . . . . . . 228
Front Pedestrian Braking (FPB) System . . . . . . . . . . . . . . . . . . . . . . . . . . 230
Side Blind Zone Alert (SBZA) . . . . 232
Lane Change Alert (LCA) . . . . . . . . 232
Lane Departure Warning (LDW) . . . . . . . . . . . . . . . . . 234
Lane Keep Assist (LKA) . . . . . . . . . . 234
Fuel
Top Tier Fuel . . . . . . . . . . . . . . . . . . . . . 236
Recommended Fuel . . . . . . . . . . . . . . 237
Prohibited Fuels . . . . . . . . . . . . . . . . . . 237
Fuels in Foreign Countries . . . . . . . 237
Fuel Additives . . . . . . . . . . . . . . . . . . . . 237
Filling the Tank . . . . . . . . . . . . . . . . . . 238
Filling a Portable Fuel Container . . . . . . . . . . . . . . . . . . . . . . . . 239

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
12017481) - 2019 - CRC - 11/5/18
DRIVING AND OPERATING 185
If the pushbutton start is not working,
the vehicle may be near a strong radio
antenna signal causing interference to
the Remote Keyless Entry (RKE)
system. SeeRemote Keyless Entry
(RKE) System Operation 029.
To shift out of P (Park), the vehicle
must be turned on and the brake
pedal must be applied.
Stopping the Engine/OFF (No
Indicator Light) : When the vehicle is
stopped, press ENGINE START/STOP
once to turn the engine off.
If the vehicle is in P (Park), the
ignition will turn off, and Retained
Accessory Power (RAP) will remain
active. See Retained Accessory Power
(RAP) 0189.
If the vehicle is in R (Reverse), D
(Drive) or M (Manual Mode), the
vehicle will shift to P (Park), the
ignition will turn off, and RAP will
remain active.
If the vehicle is in N (Neutral), the
ignition will return to ACC/
ACCESSORY and display the message
SHIFT TO PARK in the Driver
Information Center (DIC). When the vehicle is shifted into
P (Park), the ignition will turn off.
{Warning
Turning off the vehicle while
moving may cause loss of power
assist in the brake and steering
systems and disable the airbags.
While driving, only shut the vehicle
off in an emergency.
If the vehicle must be shut off in an
emergency: 1. Brake using a firm and steady pressure. Do not pump the
brakes repeatedly. This may
deplete power assist, requiring
increased brake pedal force.
2. Shift the vehicle to N (Neutral). This can be done while the
vehicle is moving. After shifting
to N (Neutral), firmly apply the
brakes and steer the vehicle to a
safe location.
3. Come to a complete stop and shift to P (Park). 4. Set the parking brake. See
Electric Parking Brake 0201.
Press ENGINE START/STOP to
turn the vehicle off.
If the vehicle cannot be pulled over
and must be shut off while driving,
press and hold ENGINE START/STOP
for longer than two seconds, or press
twice in five seconds.
ACC/ACCESSORY (Amber Indicator
Light) : This mode allows you to use
some electrical accessories when the
engine is off.
With the ignition off, pressing
ENGINE START/STOP once without
the brake pedal applied will place the
ignition system in ACC/ACCESSORY.
The ignition will switch from ACC/
ACCESSORY to OFF after 10 minutes
to prevent battery rundown.
ON/RUN/START (Green Indicator
Light) : This mode is for driving and
starting. With the ignition off and the
brake pedal applied, pressing ENGINE
START/STOP once will place the
ignition system in ON/RUN/START.
Once engine cranking begins, release
the button. Engine cranking will

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
12017481) - 2019 - CRC - 11/5/18
190 DRIVING AND OPERATING
Shifting Into Park
To shift into P (Park):1. Bring the vehicle to a stop, and hold the brake pedal down.
2. Press the button on top of the shift lever to shift into P (Park).
See Automatic Transmission
0 194.
3. The P indicator on the shift lever will turn red when the vehicle is
in P (Park).
Leaving the Vehicle with the
Engine Running
{Warning
It can be dangerous to leave the
vehicle with the engine running.
It could overheat and catch fire.
It is dangerous to get out of the
vehicle if the vehicle is not in
P (Park) with the parking brake set.
The vehicle can roll.
(Continued)
Warning (Continued)
Do not leave the vehicle when the
engine is running. If you have left
the engine running, the vehicle
can move suddenly. You or others
could be injured. To be sure the
vehicle will not move, even when
you are on fairly level ground,
always set the parking brake and
shift to P (Park). SeeShifting Into
Park 0190. If you are towing a
trailer, see Driving Characteristics
and Towing Tips 0240.
If you have to leave the vehicle with
the engine running, be sure the
vehicle is in P (Park) and the parking
brake is set before you leave it. See
Electric Parking Brake 0201.
If you are towing a trailer and parking
on a hill, see Driving Characteristics
and Towing Tips 0240.
Shifting out of Park
This vehicle is equipped with an
electronically controlled transmission.
The shift lock release button is
designed to prevent inadvertent
shifting out of P (Park) unless the
ignition is on, the brake pedal is
applied, and the shift lock release
button is pressed.
The shift lock control is always
functional except in the case of an
uncharged or low voltage (less than
9-volt) battery.
If the vehicle has an uncharged
battery or a battery with low voltage,
try charging or jump starting the
battery. See Jump Starting - North
America 0309.
To shift out of P (Park):
1. Ensure the engine is running.
2. Apply the brake pedal.
3. Press and hold the shift lock release button.
4. Move the shift lever to the desired position.

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
12017481) - 2019 - CRC - 11/5/18
DRIVING AND OPERATING 191
5. The P indicator will turn whiteand the gear indicator on the
shift lever will turn red when the
vehicle is no longer in P (Park).
6. After releasing the shift lever, it will return to the center position.
If the vehicle cannot shift from
P (Park), a Driver Information
Center (DIC) message will be
displayed. See your dealer for service.
Manual Park Release
{Warning
The transmission will be placed in
N (Neutral) when the manual park
release is pulled. The vehicle can
roll and you or others could be
injured. Ensure the vehicle is on
level ground.
Caution
The manual park release is not
intended to be used for towing.
Damage may result from using the
manual park release in this way.
The repairs would not be covered
by the vehicle warranty.
The manual park release can be used
to shift the vehicle into N (Neutral)
when the engine is not running.
Pulling the manual park release while
the vehicle is on or turning the
ignition on while the manual park
release is pulled, will cause a DIC
message to display.
To place the vehicle in N (Neutral)
using the manual park release: 1. Ensure the vehicle is on level ground and set the parking
brake.
2. Turn the vehicle off.
3. Use a flat-bladed tool to remove the interior trim panel on the
center console to the right of the
accelerator pedal.
4. Ensure more than one minute has elapsed since Step 2. Apply
the brake pedal.

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
12017481) - 2019 - CRC - 11/5/18
192 DRIVING AND OPERATING
5. Pull the manual park releaselever 90° to its latching position.
6. With the brake pedal released, place the ignition in ACC/
ACCESSORY. Then apply the
brake pedal and release the
parking brake.
7. Ensure there are no loose objects in the area that could bump the
manual park release lever.
To return the vehicle to P (Park) using
the manual park release: 1. Bring the vehicle to a complete stop. 2. Rotate the manual park release
90° back to its original position.
3. Apply the parking brake.
4. Confirm that the vehicle is in P (Park) by turning the ignition
on or by placing the vehicle in
ACC/ACCESSORY, then ensure
that the indicator displays P.
5. Reinstall the interior trim panel.
Parking over Things
That Burn
{Warning
Things that can burn could touch
hot exhaust parts under the vehicle
and ignite. Do not park over papers,
leaves, dry grass, or other things
that can burn.
Active Fuel Management
This vehicle's engine may be equipped
with Active Fuel Management, which
allows the engine to operate on either all of its cylinders, or in reduced
cylinder operation, depending on the
driving conditions.
When less power is required, such as
cruising at a constant vehicle speed,
the system will operate in reduced
operation mode, allowing the vehicle
to achieve better fuel economy. When
greater power demands are required,
such as accelerating from a stop,
passing, or merging onto a freeway,
the system will maintain full-cylinder
operation.
If the vehicle has an Active Fuel
Management indicator, see Driver
Information Center (DIC) for more
information on using this display.
Extended Parking
It is best not to park with the vehicle
running. If the vehicle is left running,
be sure it will not move and there is
adequate ventilation.
See
Shifting Into Park 0190 and Engine
Exhaust 0193.

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
12017481) - 2019 - CRC - 11/5/18
DRIVING AND OPERATING 195
{Warning
It is dangerous to get out of the
vehicle if the transmission is not in
P (Park) with the parking brake set.
The vehicle can roll.
Do not leave the vehicle when the
engine is running. If the engine has
been left running, the vehicle can
move suddenly. You or others could
be injured. To be sure the vehicle
will not move, even when on fairly
level ground, always set the parking
brake and place the transmission
into P (Park). SeeShifting Into Park
0 190, Driving Characteristics and
Towing Tips 0240 and Electric
Parking Brake 0201.
This vehicle is equipped with an
electronically controlled transmission.
The shift lock release button is
designed to prevent inadvertent
shifting out of P (Park) unless the
ignition is on, the brake pedal is
applied, and the shift lock release
button is pressed.
When the vehicle is stopped, press
ENGINE START/STOP to turn off the
vehicle. The transmission will shift to
P (Park) automatically unless the
vehicle is in N (Neutral), See “Car
Wash Mode ”following. The vehicle will not shift into P (Park)
if it is moving too fast. Stop the
vehicle and shift into P (Park).
To shift in and out of P (Park), see
Shifting Into Park
0190 and Shifting
out of Park 0190.
Service Shift Lever Message
If the message SERVICE SHIFTER SEE
OWNER’S MANUAL appears in the
Driver Information Center (DIC), the
shift lever needs service. Have the
vehicle serviced as soon as possible.
If the vehicle is automatically shifting
into P (Park), check to see if the
P (Park) button on top of the shift
lever is stuck. To operate the vehicle,
hold the shift lever in the desired gear,
R (Reverse) or D (Drive), until vehicle
speed exceeds 15 km/h (10 mph), then
release the shift lever.
R : Use this gear to back up.
If the vehicle is shifted from either
R (Reverse) to D (Drive) or M (Manual
Mode), or M (Manual Mode) or
D (Drive) to R (Reverse) while the
speed is too high, the vehicle will shift
to N (Neutral). Reduce the vehicle
speed and try the shift again.