Brakes CADILLAC XT6 2020 User Guide

Cadillac XT6 Owner Manual (GMNA-Localizing-U.S./Canada-12984300) -
2020 - CRC - 3/19/19
DRIVING AND OPERATING 181
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 0198.
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 continue until the engine starts, and
the ignition will then remain ON. See
Starting the Engine
0181.
Service Mode
This mode is available to verify the
proper operation of the malfunction
indicator lamp as may be required for
emissions inspection purposes and for
service and diagnostics.
With the vehicle off, and the brake
pedal not applied, pressing and
holding ENGINE START/STOP for
more than five seconds will place the
vehicle in Service Mode. The
instruments and audio systems will
operate as they do in ON/RUN, but
the vehicle will not be able to be
driven. The engine will not start in
Service Mode. Press ENGINE START/
STOP again to turn the vehicle off.
Starting the Engine
Place the transmission in the proper
gear, P (Park) or N (Neutral). To restart
the engine when the vehicle is already
moving, use N (Neutral).

Cadillac XT6 Owner Manual (GMNA-Localizing-U.S./Canada-12984300) -
2020 - CRC - 3/19/19
DRIVING AND OPERATING 183
{Warning
The automatic engine Stop/Start
feature causes the engine to shut
off while the vehicle is still on. Do
not exit the vehicle before shifting
to P (Park). The vehicle may restart
and move unexpectedly. Always
shift to P (Park), and then turn the
ignition off before exiting the
vehicle.
Auto Engine Stop/Start
When the brakes are applied and the
vehicle is at a complete stop, the
engine may turn off. When stopped,
the tachometer displays AUTO STOP.
See Tachometer 0116. When the brake
pedal is released or the accelerator
pedal is pressed, the engine will
restart.
To maintain vehicle performance,
other conditions may cause the engine
to automatically restart before the
brake pedal is released. Auto Stops may not occur and/or auto
restarts may occur because:
.
The climate control settings
require the engine to be running
to cool or heat the vehicle interior.
. The vehicle battery charge is low.
. The vehicle battery has recently
been disconnected.
. Minimum vehicle speed has not
been reached since the last
Auto Stop.
. The accelerator pedal is pressed.
. The engine or transmission is not
at the required operating
temperature.
. The outside temperature is not in
the required operating range.
. The vehicle is in any gear other
than D (Drive).
. Tow/Haul Mode or other driver
modes have been selected.
. The vehicle is on a steep hill or
grade. .
The driver door has been opened
or the driver seat belt has been
unbuckled.
. The hood has been opened.
. The Auto Stop has reached the
maximum allowed time.
Auto Stop Disable Switch
The automatic engine Stop/Start
feature can be disabled and enabled
by touching the
hsymbol. Auto Stop
is enabled each time you start the
vehicle.
When the light next to the
his
illuminated, the system is enabled.

Cadillac XT6 Owner Manual (GMNA-Localizing-U.S./Canada-12984300) -
2020 - CRC - 3/19/19
DRIVING AND OPERATING 195
Caution
Spinning the tires or holding the
vehicle in one place on a hill using
only the accelerator pedal may
damage the transmission. The
repair will not be covered by the
vehicle warranty. If the vehicle is
stuck, do not spin the tires. When
stopping on a hill, use the brakes to
hold the vehicle in place.
Manual Mode
Tap ShiftCaution
Driving with the engine at a high
rpm without upshifting while using
Tap Shift, could damage the vehicle.
Always upshift when necessary
while using Tap Shift.
If equipped, vehicles with Tap Shift
have controls on the back of the
steering wheel to manually shift the
automatic transmission.
Permanent Tap Shift Mode
To enter Permanent Tap Shift Mode: 1. With the vehicle in D (Drive), pull back on the shift lever to
activate M (Manual Mode). The
M in the shift pattern will
illuminate in red, and the D will
switch to white.
2. After releasing the shift lever, it will return to the center position. 3. Pull the control toward you to
shift. Pull the left control to
downshift, and the right control
to upshift. To shift to the lowest
available gear, pull and hold the
left control.
To exit Permanent Tap Shift Mode: 1. To exit M (Manual Mode) and return to D (Drive), pull back on
the shift lever. The D in the shift
pattern will illuminate in red,
and the M will switch to white.
2. After releasing the shift lever, it will return to the center position.
M (Manual Mode) can be exited to
return to D (Drive) at any speed by
pulling the lever rearward from the
center position. It is not necessary to
stop the vehicle or shift to N (Neutral)
or P (Park) prior to shifting back to
D (Drive).

Cadillac XT6 Owner Manual (GMNA-Localizing-U.S./Canada-12984300) -
2020 - CRC - 3/19/19
DRIVING AND OPERATING 197
The AWD Mode will stay selected
until the mode is changed. If the
vehicle is placed in Sport Mode, see
Driver Mode Control0202.
Sport Mode is canceled with each
ignition cycle. See Driver Mode Control
0 202.
When operated in Tour Mode, the
vehicle will deliver power to the front
wheels only and may provide better
fuel economy.
If Tour Mode is selected see Driver
Mode Control 0202.Brakes
Electric Brake Boost
Vehicles equipped with electric brake
boost have hydraulic brake circuits
that are electronically controlled when
the brake pedal is applied during
normal operation. The system
performs routine tests and turns off
within a few minutes after the vehicle
is shutdown. Noise may be heard
during this time. If the brake pedal is
pressed during the tests or when the
electric brake boost system is off, a
noticeable change in pedal force and
travel may be felt. This is normal.
Antilock Brake
System (ABS)
The Antilock Brake System (ABS)
helps prevent a braking skid and
maintain steering while braking hard.
ABS performs a system check when
the vehicle is first driven.
A momentary motor or clicking noise may be heard while this test is going
on, and the brake pedal may move
slightly. This is normal.
If there is a problem with ABS, this
warning light stays on. See
Antilock
Brake System (ABS) Warning Light
0 123.
ABS does not change the time needed
to get a foot on the brake pedal and
does not always decrease stopping
distance. If you get too close to the
vehicle ahead, there will not be
enough time to apply the brakes if
that vehicle suddenly slows or stops.
Always leave enough room ahead to
stop, even with ABS.
Using ABS
Do not pump the brakes. Just hold the
brake pedal down firmly. Hearing or
feeling ABS operate is normal.

Cadillac XT6 Owner Manual (GMNA-Localizing-U.S./Canada-12984300) -
2020 - CRC - 3/19/19
DRIVING AND OPERATING 199
EPB Release
To release the EPB:1. Turn the ignition on or to ACC/ ACCESSORY.
2. Apply and hold the brake pedal.
3. Press the EPB switch momentarily.
The EPB is released when the
Y,f,
or PARK light is off.
If the
8light is on, release the EPB by
pressing and holding the EPB switch.
Continue to hold the switch until
the
Y,f, or PARK light is off.
If either light stays on after release is
attempted, see your dealer.
Caution
Driving with the parking brake on
can overheat the brake system and
cause premature wear or damage to
brake system parts. Make sure that
the parking brake is fully released
and the brake warning light is off
before driving.
Automatic EPB Release
The EPB will automatically release if
the vehicle is running, placed into
gear, and an attempt is made to drive
away. Avoid rapid acceleration when
the EPB is applied to preserve parking
brake lining life.
If parking on a hill, or if the vehicle is
pulling a trailer, see Driving
Characteristics and Towing Tips 0244.
Brake Assist
Brake Assist detects rapid brake pedal
applies due to emergency braking
situations and provides additional
braking to activate the Antilock Brake
System (ABS) if the brake pedal is not
pushed hard enough to activate ABS
normally. Minor noise, brake pedal
pulsation, and/or pedal movement
during this time may occur. Continue
to apply the brake pedal as the driving
situation dictates. Brake Assist
disengages when the brake pedal is
released.
Hill Start Assist (HSA)
{Warning
Do not rely on the HSA feature.
HSA does not replace the need to
pay attention and drive safely. You
may not hear or feel alerts or
warnings provided by this system.
Failure to use proper care when
driving may result in injury, death,
or vehicle damage. See Defensive
Driving 0166.
When the vehicle is stopped on a
grade, Hill Start Assist (HSA) prevents
the vehicle from rolling in an
unintended direction during the
transition from brake pedal release to
accelerator pedal apply. The brakes
release when the accelerator pedal is
applied. If the accelerator pedal is not
applied within a few minutes, the
Electric Parking Brake will apply. The
brakes may also release under other
conditions. Do not rely on HSA to
hold the vehicle.

Cadillac XT6 Owner Manual (GMNA-Localizing-U.S./Canada-12984300) -
2020 - CRC - 3/19/19
200 DRIVING AND OPERATING
HSA is available when the vehicle is
facing uphill in a forward gear,
or when facing downhill in
R (Reverse). The vehicle must come to
a complete stop on a grade for HSA to
activate.Ride Control Systems
Traction Control/Electronic
Stability Control
System Operation
The vehicle has a Traction Control
System (TCS) and StabiliTrak/
Electronic Stability Control (ESC).
These systems help limit wheel spin
and assist the driver in maintaining
control, especially on slippery road
conditions.
TCS activates if it senses that any of
the drive wheels are spinning or
beginning to lose traction. On an
All-Wheel Drive (AWD) vehicle in
AWD or Sport Mode, the system will
operate if it senses that any of the
wheels are spinning or beginning to
lose traction. When this happens, TCS
applies the brakes to the spinning
wheels and reduces engine power to
limit wheel spin.
StabiliTrak/ESC activates when the
system senses a discrepancy between
the intended path and the direction
the vehicle is actually traveling.StabiliTrak/ESC selectively applies
braking pressure at any one of the
vehicle's brakes to help steer the
vehicle in the direction which you are
steering.
If cruise control is being used and TCS
or StabiliTrak/ESC begins to limit
wheel spin, cruise control will
disengage. Cruise control may be
turned back on when road conditions
allow. TCS and StabiliTrak/ESC will
automatically turn on when cruise
control is set.
Both systems come on automatically
when the vehicle is started and begins
to move. The systems may be heard or
felt while they are operating or while
performing diagnostic checks. This is
normal and does not mean there is a
problem with the vehicle.
It is recommended to leave both
systems on for normal driving
conditions, but it may be necessary to
turn TCS off if the vehicle gets stuck
in sand, mud, ice, or snow. See
If the
Vehicle Is Stuck 0176 and “Turning
the Systems Off and On ”later in this
section.

Cadillac XT6 Owner Manual (GMNA-Localizing-U.S./Canada-12984300) -
2020 - CRC - 3/19/19
DRIVING AND OPERATING 203
AWD :AWD Mode provides drive
torque to all four wheels. Select AWD
to improve traction and control on
slippery road surfaces, such as gravel,
sand, wet pavement, snow, and ice For
more information on AWD Mode, see
All-Wheel Drive 0196.
Snow/Ice (FWD Vehicles Only) :
Snow/Ice Mode improves vehicle
acceleration on snow and ice covered
roads. This mode will adjust
acceleration to optimize traction on a
slippery surface. The accelerator pedal
will reduce engine torque at small
pedal inputs.
Off-Road : Use this mode for off-road
recreational driving. When active,
Off-Road Mode modifies accelerator
pedal response, AWD torque, TCS,
ABS and ESC settings. Choosing
Off-Road Mode also engages AWD.Cruise Control
{Warning
Cruise control can be dangerous
where you cannot drive safely at a
steady speed. Do not use cruise
control on winding roads or in
heavy traffic.
Cruise control can be dangerous on
slippery roads. On such roads, fast
changes in tire traction can cause
excessive wheel slip, and you could
lose control. Do not use cruise
control on slippery roads.
With cruise control, a speed of about
40 km/h (25 mph) or more can be
maintained without keeping your foot
on the accelerator. Cruise control does
not work at speeds below about
40 km/h (25 mph).
If the Traction Control System (TCS)
or StabiliTrak/Electronic Stability
Control (ESC) system begins to limit
wheel spin while using cruise control,
cruise control automatically disengages. See
Traction Control/
Electronic Stability Control 0200. If a
collision alert occurs when cruise
control is activated, cruise control is
disengaged. See Forward Collision Alert
(FCA) System 0226. When road
conditions allow cruise control to be
safely used, it can be turned back on.
Cruise control will disengage if either
TCS or StabiliTrak/ESC is turned off.
If the brakes are applied, cruise
control disengages.

Cadillac XT6 Owner Manual (GMNA-Localizing-U.S./Canada-12984300) -
2020 - CRC - 3/19/19
204 DRIVING AND OPERATING
J:Press to turn the system on and
off. A white indicator appears in the
instrument cluster when cruise is
turned on.
RES+ : If there is a set speed in
memory, move the thumbwheel up
briefly to resume that speed or move
the thumbwheel up and hold to
accelerate. If cruise control is already
active, use to increase vehicle speed.
To increase speed by 1 km/h (1 mph),
press RES+ to the first detent. To
increase speed to the next 5 km/h
(5 mph) mark on the speedometer,
press RES+ to the second detent.
SET− :Move the thumbwheel down
briefly to set the speed and activate
cruise control. If cruise control is
already active, use to decrease vehicle
speed. To decrease speed by 1 km/h
(1 mph), press SET− to the first detent.
To decrease speed to the next 5 km/h
(5 mph) mark on the speedometer,
press SET− to the second detent.
*:Press to disengage cruise control
without erasing the set speed from
memory. Setting Cruise Control
If
Jis on when not in use, SET−
or
RES+ could get pressed and go into
cruise when not desired. Keep
Joff
when cruise is not being used.
1. Press
J.
2. Get up to the desired speed.
3. Move the thumbwheel down toward SET− and release. The
desired set speed briefly appears
in the instrument cluster.
4. Remove your foot from the accelerator.
When cruise control has been set to
the desired speed, a green cruise
control indicator appears on the
instrument cluster and a cruise set
speed message appears on the
Head-Up Display (HUD), if equipped.
Resuming a Set Speed
If cruise control is set at a desired
speed and then the brakes are applied
or
*is pressed, cruise control is
disengaged without erasing the set
speed from memory. Once the vehicle speed reaches about
40 km/h (25 mph) or more, move the
thumbwheel up toward RES+ briefly.
The vehicle returns to the previous set
speed.
Increasing Speed While Using
Cruise Control
If the cruise control system is already
activated:
.
Move the thumbwheel up toward
RES+ until the desired speed is
reached.
. To increase vehicle speed in small
increments, briefly press RES+ to
the first detent. For each press, the
vehicle goes about 1 km/h (1 mph)
faster.
. To increase vehicle speed in larger
increments, briefly press RES+ to
the second detent. For each press,
the vehicle speed increases to the
next 5 km/h (5 mph) mark on the
speedometer.

Cadillac XT6 Owner Manual (GMNA-Localizing-U.S./Canada-12984300) -
2020 - CRC - 3/19/19
206 DRIVING AND OPERATING
moving in the same direction. If no
vehicle is detected in your path, ACC
works like regular cruise control. ACC
uses camera and radar sensors. See
Radio Frequency Statement0359.
If a vehicle is detected in your path,
ACC can speed up the vehicle or apply
limited, moderate braking to maintain
the selected following gap. To
disengage ACC, apply the brake.
If ACC is controlling your vehicle
speed when the traction control
system (TCS) or StabiliTrak electronic
stability control system activates, ACC
may automatically disengage. See
Traction Control/Electronic Stability
Control 0200. When road conditions
allow ACC to be safely used, ACC can
be turned back on. ACC will not
engage if the TCS or StabiliTrak/ESC is
disabled.
{Warning
ACC has limited braking ability and
may not have time to slow the
vehicle down enough to avoid a
collision with another vehicle you
(Continued)
Warning (Continued)
are following. This can occur when
vehicles suddenly slow or stop
ahead, or enter your lane. Also see
“Alerting the Driver”in this section.
Complete attention is always
required while driving and you
should be ready to take action and
apply the brakes. See Defensive
Driving 0166.
{Warning
ACC will not detect or brake for
children, pedestrians, animals,
or other objects.
Do not use ACC when:
. On winding and hilly roads or
when the sensors are blocked
by snow, ice, or dirt. The
system may not detect a
vehicle ahead. Keep the entire
front of the vehicle clean.
(Continued)
Warning (Continued)
.Visibility is low, such as in
fog, rain, or snow conditions.
ACC performance is limited
under these conditions.
. On slippery roads where fast
changes in tire traction can
cause excessive wheel slip.
5:Press to turn the system on or
off. The indicator turns white on the
instrument cluster when ACC is
turned on.

Cadillac XT6 Owner Manual (GMNA-Localizing-U.S./Canada-12984300) -
2020 - CRC - 3/19/19
DRIVING AND OPERATING 207
RES+ :RES+ : Press briefly to resume
the previous set speed or to increase
vehicle speed if ACC is already
activated. To increase speed by about
1 km/h(1 mph), press RES+ to the first
detent. To increase speed to the next
5 km/h (3 mph) mark on the
speedometer, press RES+ to the
second detent.
SET– :Press briefly to set the speed
and activate ACC or to decrease
vehicle speed if ACC is already
activated. To decrease speed by about
1 km/h (1 mph), press SET− to the first
detent. To decrease speed to the next
5 km/h (3 mph) mark on the
speedometer, press SET− to the
second detent.
*: Press to disengage ACC without
erasing the selected set speed from
memory.
[: Press to select a following gap
time (or distance) setting for ACC of
Far, Medium, or Near. The speedometer reading can be
displayed in either English or metric
units. See
Instrument Cluster 0113.
The increment value used depends on
the units displayed.
Switching Between ACC and
Regular Cruise Control
To switch between ACC and regular
cruise control, press and hold
*.
A Driver Information Center (DIC)
message displays. See Vehicle Messages
0 134.
ACC IndicatorRegular Cruise
Control Indicator
When ACC is engaged, a green
o
indicator will be lit on the instrument
cluster and the following gap will be
displayed. When the regular cruise
control is engaged, a green
J
indicator will be lit on the instrument
cluster; the following gap will not
display.
When the vehicle is turned on, the
cruise control mode will be set to the
last mode used before the vehicle was
turned off.
{Warning
Always check the cruise control
indicator on the instrument cluster
to determine which mode cruise
control is in before using the
feature. If ACC is not active, the
vehicle will not automatically brake
for other vehicles, which could
cause an accident if the brakes are
not applied manually. You and
others could be seriously injured or
killed.