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Driving and Operating 239
Steering Wheel Light Bar Instrument Cluster LightSuper Cruise Description
Off OffSuper Cruise is off. There is no automatic steering. Operate the vehicle
manually.
Off WhiteSuper Cruise is available and can be engaged.
Solid Green Solid GreenSuper Cruise is steering. Pay attention to the road and vehicle
operation.
Flashing Blue Solid BlueSuper Cruise is not steering. Operate the vehicle manually. See
“Steering Manually and Changing Lanes”
previously in this section.
Flashing Green Solid GreenSuper Cruise has detected you are not paying sufficiently close
attention to the road. Pay attention to the road. See
“Attention to the
Road” previously in this section.
Flashing Amber Solid AmberTake over steering. Super Cruise may disengage. See
“Take Over Alert”
previously in this section.
Flashing Red Solid RedTake over steering immediately. Super Cruise will disengage. See
“Take
Over Alert” previously in this section.
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240 Driving and Operating
Disengaging Super Cruise
There are two ways to disengage Super
Cruise:
.PressZwhile your hands are on the
steering wheel. The Super Cruise steering
will disengage.
.Press the brake pedal or press the Regen
on Demand paddle, if equipped, while
your hands are on the steering wheel.
Both Super Cruise steering and Adaptive
Cruise Control will disengage.
Super Cruise Messages
If the Super Cruise indicator light does not
appear in the instrument cluster, press
Z
to display a DIC message that provides a
reason for the system’s unavailability.
Immediately after a disengagement,
pressing the
Zwithin 10 seconds will
display a DIC message with the reason for
Super Cruise disengagement.
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254 Driving and Operating
.Performance for Transparent Trailer and
Jack Knife Detection are optimized when
the entered value for trailer width reflects
the width of the box of the trailer. If total
width is entered:
.The inlayed camera view in
Transparent Trailer View may appear
wider than the trailer face.
.Jack Knife Detection alerts may
activate prematurely.
.Performance for Rear Trailer Guidance
Lines and Trailer Length Indicator Overlays
are optimized when the entered value for
trailer width reflects the total width of
the trailer including outboard wheels.
If the trailer box width is entered:
.The Rear Trailer Guidance Lines will
appear narrower than the actual path
of the trailer.
.The Trailer Length Indicator Overlays
will appear closer and possibly overlap
with the trailer.
Park Assist
With Front and Rear Park Assist, as the
vehicle moves at speeds of less than 8 km/h
(5 mph) the sensors on the bumpers may
detect objects up to 1.2 m (4 ft) in front and
1.8 m (6 ft) behind the vehicle within a zone
25 cm (10 in) high off the ground and below
bumper level. These detection distances may
be shorter during warmer or humid weather.
Blocked sensors will not detect objects and
can also cause false detections. Keep the
sensors clean of mud, dirt, snow, ice, and
slush; and clean sensors after a car wash in
freezing temperatures.
{Warning
The Park Assist system does not detect
children, pedestrians, bicyclists, animals,
or objects located below the bumper or
that are too close or too far from the
vehicle. It is not available at speeds
greater than 8 km/h (5 mph). To prevent
injury, death, or vehicle damage, even
with Park Assist, always check the area
around the vehicle and check all mirrors
before moving forward or backing.
The instrument cluster may have a Park
Assist display with bars that show“distance
to object” and object location information
for the Front and Rear Park Assist system.
As the object gets closer, more bars light up
and the bars change color from yellow to
amber to red.
When an object is first detected in the rear,
one beep will be heard from the rear,
or both sides of the Safety Alert Seat will
pulse two times. When an object is very
close —<0.4 m (1.5 ft) in the vehicle rear or
<0.3 m (1 ft) in the vehicle front —a
continuous beep will sound from the rear or
front depending on object location, or both
sides of the Safety Alert Seat will pulse five
times. Beeps for FPA are higher pitched than
for RPA.
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272 Driving and Operating
Caution (Continued)
The system does not discern any signs
other than the conventional traffic signs
that might give or end a speed limit.
It may not detect some electronic speed
signs.
Depending on the weather conditions or
problems with traffic signs, a traffic sign
may not be recognized or a sign different
from the actual traffic sign may be
displayed.
Do not let this special feature tempt you
into taking risks when driving.
Always adapt vehicle speed to the road
conditions.
Driver assistance systems do not relieve
the driver from full responsibility for
vehicle operation.
Traffic signs that are detected are:
.Speed Limit
.Constraint Signs
Display Indication
The currently detected speed limit is
displayed in the DIC until the next speed
limit or end of speed limit sign is detected.
Depending on the vehicle, the current valid
speed limit is permanently displayed on the
DIC or in the upper left of the instrument
cluster.
A (–) symbol in a frame indicates there is a
sign detected which cannot be clearly
identified by the system.
A (/) symbol in a frame indicates that the
feature is turned off or has failed.
See Driver Information Center (DIC) (Base
Level) 0129 or
Driver Information Center (DIC) (Uplevel)
0 130.
Alert Function
If equipped, a chime may sound when you
have exceeded the indicated speed limit,
or if a new speed limit is detected.
The alert function can be turned on or off.
To view available settings from the
infotainment screen, touch Settings >
Vehicle > Collision/Detection Systems. Each time the vehicle is started, the
customization options will be turned on.
Exceeding Indicated Speed Limit
If the indicated traffic sign speed limit is
exceeded by 5 km/h (3 mph) or more, the
permanently displayed traffic sign symbol
will flash until the vehicle speed is reduced
to or below the indicated speed limit.
System Reset
The content of the traffic sign display can
be cleared. To view available settings from
the infotainment screen, touch Settings >
Vehicle > Collision/Detection Systems.
Upon successful reset, a
(–)symbol displays
until the next traffic sign is detected or
provided by the navigation system map
data. In some cases, traffic sign memory is
cleared automatically by the system.
Alert function will automatically be turned
on when the system is reset.
See Driver Information Center (DIC) (Base
Level) 0129 or
Driver Information Center (DIC) (Uplevel)
0 130.
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274 Driving and Operating
available settings from the infotainment
screen, touch Settings > Vehicle >
Collision/Detection Systems.
Drowsiness Alerts
Depending on the drowsiness level, Driver
Attention Assist will display escalating alerts
in the instrument cluster. These alerts
progress as the drowsiness level increases.
Each level is designated by a coffee cup and
a DIC message recommending that the
driver consider taking a rest break.
Depending on the driver’s drowsiness level,
the system will also send chimes or haptic
alerts, if equipped with Safety Alert Seat.
The higher alerts will be seen more
frequently. Not all alerts may occur during a
drowsy event.
When the maximum drowsiness alert occurs,
the driver will be presented with the
following options on the infotainment
screen:
.Phone a Friend
.Place an OnStar call
.Navigate to Nearest Point of Interest (POI)
Select an option from the list and follow the
instructions displayed on infotainment
screen.
Attention Alerts
Depending on the attention level, Driver
Attention Assist will display escalating alerts
in the instrument cluster that advance from
level one to level two as the attention level
decreases. Depending on the driver’s
distraction level, the system will also send
chimes or haptic alerts, if equipped with
Safety Alert Seat. See Driver Attention Assist
Light 0122.
When Teen Driver is Active, the radio will
momentarily be set to mute when alert
level two is active. See Teen Driver0168.
Cleaning the Camera
The camera lens cover on the steering
column may become dirty over time. If this
occurs, clean the lens cover with a soft cloth
sprayed with glass cleaner. Wipe the lens
gently, then dry it. Never use abrasive
cloths, cleaners, or corrosive chemicals of
any kind on the lens cover.
Limitations
Some factors can impact the performance of
the Driver Attention Assist feature, causing
it to not to function as intended. These
include (but are not limited to):
.Damage to the Driver Monitoring System,
camera, or lens.
.The camera being blocked by the steering
wheel, hands, or objects.
If there is a problem with the system, a DIC
message or icon in the instrument cluster
may display.
Lane Keep Assist (LKA)
If equipped, LKA may help avoid crashes due
to unintentional lane departures. This
system uses a camera to detect lane
markings. The LKA system can be ready to
assist at speeds between approximately
60 km/h (37 mph) and 180 km/h (112 mph).
On some vehicles, the system will instead
operate above 50 km/h (31 mph). LKA may
assist by gently turning the steering wheel
if the vehicle approaches a detected lane
marking. It may also provide a Lane
Departure Warning (LDW) alert if the vehicle
unintentionally crosses a detected lane
marking.
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Driving and Operating 293
Utility Interruption of Charging
This vehicle responds to requests through
the utility company to limit or completely
block electrical power grid use. This feature
is inactive during DC charging. A utility
interruption will lengthen the vehicle
charge time.
When electrical grid power is completely
blocked, the vehicle will not charge until the
utility interruption has expired. The vehicle
should be left plugged in so that the vehicle
will automatically resume charging.
Changing the charge mode to Charge Now
or performing a delayed charging override
will not disable a utility interruption.
A message will display on the instrument
cluster indicating that a utility interruption
has occurred.
Charging Station Troubleshooting
If the vehicle does not charge after being
plugged in to a residential 240-volt charging
station:1. Verify that the charge mode is set to Charge Now.
2. Verify that the charging station circuit breaker is not tripped. 3. Plug the portable charge cord into the
wall outlet, verify that the indicator light
on the charge cord is solid green, and
connect it to the vehicle. See “Charge
Cord Status Indicators” inCharge Cord
0 286.
4. If the vehicle charges with the portable charge cord and a different 240-volt
charging station, such as a public station,
there may be a problem with the
charging station. Contact the charging
station manufacturer for service.
Electrical Requirements for
Battery Charging
The vehicle is designed for compatibility
with most standard vehicle charging
equipment in the region of sale. Check for
charger compatibility before purchasing a
charger
The portable charge cord defaults to
120 volts and 8 amps. Have the outlet
inspected before changing to 12 amps on the
Charging Screens. If 12 amps is selected, a
pop-up will show on the infotainment
display to confirm the change to 12 amps.
See the “Active Charging” section under
Charging 0123.
Caution
Do not use portable or stationary backup
generating equipment to charge the
vehicle. This may cause damage to the
vehicle's charging system. Only charge
the vehicle from utility supplied power.
Trailer Towing
General Towing Information
Only use towing equipment that has been
designed for the vehicle. Contact your dealer
or trailering dealer for assistance with
preparing the vehicle to tow a trailer. Read
the entire section before towing a trailer.
To tow a disabled vehicle, see Transporting
a Disabled Vehicle 0378. To tow the vehicle
behind another vehicle such as a motor
home, see Recreational Vehicle Towing
0 379.
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Driving and Operating 305
Trailer Lamps
Always check that all trailer lamps are
working at the beginning of each trip, and
periodically on longer trips.
If equipped, the Trailering App will monitor
the right-hand turn/brake lamp circuit,
left-hand turn/brake lamp circuit, running
lamp circuit, and reverse lamp circuits on
the trailer. DIC messages and Trailering App
alerts may be displayed if lighting circuit
issues are detected on the trailer.
If a trailer cannot be detected, the
trailer-related DIC messages and/or
Trailering App alerts will not display.
Pressing START LIGHT TEST in the Trailering
App automatically activates trailer lamps.
The Trailering App is not a substitute for
manually inspecting your trailer lamps. See
Trailering App0310.
Trailer Connection and Lamp Messages
When a trailer is properly connected and
working, no trailer connection or lamp
messages appear on the Driver Information
Center (DIC). However, if the vehicle detects
an issue with a trailer connection or lamp,
you may see the following DIC message(s):
.TRAILER DISCONNECTED CHECK
CONNECTION appears when a connected
trailer is disconnected. It appears
immediately when the vehicle is on,
or upon the next start-up if the trailer
was disconnected while the vehicle was
off. Check the trailer connection as
appropriate.
.CHECK TRAILER XXX LAMP appears when
there is a detected lamp or wiring fault
on the trailer. Check the trailer wiring and
lamps.
Turn Signals When Towing a Trailer
When properly connected, the trailer turn
signals will illuminate to indicate the vehicle
is turning, changing lanes, or stopping.
When towing a trailer, the arrows on the
instrument cluster will illuminate even if the
trailer is not properly connected or the bulbs
are burned out.
Tow/Haul Mode
For instructions on how to enter Tow/Haul
mode, see Driver Mode Control 0209.
Tow/Haul mode assists when pulling a
heavy trailer or a large or heavy load. Tow/Haul mode is designed to be most
effective when the vehicle and trailer
combined weight is at least 75% of the
vehicle's Gross Combined Weight Rating
(GCWR). See
“Maximum Trailer Weight”
under Trailer Towing 0297.
Tow/Haul mode is most useful when towing
a heavy trailer or carrying a large or
heavy load:
.through rolling terrain
.in stop-and-go traffic
.in busy parking lots
Integrated Trailer Brake Control System
The vehicle may have an Integrated Trailer
Brake Control (ITBC) system for use with
electric trailer brakes or most electric over
hydraulic trailer brake systems. These
instructions apply to both types of electric
trailer brakes.
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Driving and Operating 309
{Warning
Driving while the trailer braking system is
malfunctioning may increase loading on
the vehicle's braking system or lead to
trailer instability. Use caution. Drive
slowly and allow for increased stopping
distances.
A GM dealer may be able to diagnose and
repair problems with the trailer. However,
any diagnosis and repair of the trailer is not
covered under the vehicle warranty. Contact
your trailer dealer for assistance with trailer
repairs and trailer warranty information.
Trailer Sway Control (TSC)
Vehicles with StabiliTrak/Electronic Stability
Control (ESC) have a Trailer Sway Control
(TSC) feature. Trailer sway is unintended
side-to-side motion of a trailer while towing.
If the vehicle is towing a trailer and the TSC
detects that sway is increasing, the vehicle
brakes are selectively applied at each wheel,
to help reduce excessive trailer sway.
If equipped with the Integrated Trailer Brake
Control (ITBC) system, and the trailer has an
electric brake system, StabiliTrak may also
apply the trailer brakes.
If TSC is enabled, the Traction Control
System (TCS)/StabiliTrak warning light will
flash on the instrument cluster. Reduce
vehicle speed by gradually removing your
foot from the accelerator. If trailer sway
continues, StabiliTrak can help slow the
vehicle down. TSC will not function if
StabiliTrak is turned off. See Traction
Control/Electronic Stability Control 0207.
{Warning
Trailer sway can result in a crash and in
serious injury or death, even if the
vehicle is equipped with TSC.
(Continued)
Warning (Continued)
If the trailer begins to sway, reduce
vehicle speed by gradually removing your
foot from the accelerator. Then pull over
to check the trailer and vehicle to help
correct possible causes, including an
improperly or overloaded trailer,
unrestrained cargo, improper trailer hitch
configuration, or improperly inflated or
incorrect vehicle or trailer tires. See
Towing Equipment0301 for trailer
ratings and hitch setup recommendations.
Aftermarket Electronic Trailer Sway
Control Devices
Some trailers may come equipped with an
electronic device designed to reduce or
control trailer sway. Aftermarket equipment
manufacturers also offer similar devices that
connect to the wiring between the trailer
and the vehicle. These devices may interfere
with the vehicle’s trailer brake systems or
other systems, including integrated
anti-sway systems, if equipped. Messages
related to trailer connections or trailer
brakes could appear on the DIC. The effects