park assist BUICK ENCLAVE 2021 User Guide

Buick Enclave Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14637843) - 2021 - CRC - 12/9/20
190 Driving and Operating
Driving and Operating
Driving Information
Driving for Better Fuel Economy . . . . . . . 191
Distracted Driving . . . . . . . . . . . . . . . . . . . . . . 191
Defensive Driving . . . . . . . . . . . . . . . . . . . . . . 191
Impaired Driving . . . . . . . . . . . . . . . . . . . . . . . 192
Control of a Vehicle . . . . . . . . . . . . . . . . . . . 192
Braking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192
Steering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192
Off-Road Recovery . . . . . . . . . . . . . . . . . . . . . 193
Loss of Control . . . . . . . . . . . . . . . . . . . . . . . . 194
Off-Road Driving . . . . . . . . . . . . . . . . . . . . . . . 194
Driving on Wet Roads . . . . . . . . . . . . . . . . . 197
Hill and Mountain Roads . . . . . . . . . . . . . . 198
Winter Driving . . . . . . . . . . . . . . . . . . . . . . . . 198
If the Vehicle Is Stuck . . . . . . . . . . . . . . . . . 199
Vehicle Load Limits . . . . . . . . . . . . . . . . . . . 200
Starting and Operating
New Vehicle Break-In . . . . . . . . . . . . . . . . . . 203
Ignition Positions . . . . . . . . . . . . . . . . . . . . . . 203
Starting the Engine . . . . . . . . . . . . . . . . . . . 205
Stop/Start System . . . . . . . . . . . . . . . . . . . . 206
Engine Heater . . . . . . . . . . . . . . . . . . . . . . . . . 206
Retained Accessory Power (RAP) . . . . . . . 207
Shifting Into Park . . . . . . . . . . . . . . . . . . . . . 207
Shifting out of Park . . . . . . . . . . . . . . . . . . . 208
Parking over Things That Burn . . . . . . . . 209
Extended Parking . . . . . . . . . . . . . . . . . . . . . 209
Engine Exhaust
Engine Exhaust . . . . . . . . . . . . . . . . . . . . . . . . 209
Running the Vehicle While Parked . . . . 209
Automatic Transmission
Automatic Transmission . . . . . . . . . . . . . . . 210
Manual Mode . . . . . . . . . . . . . . . . . . . . . . . . . . 213
Tow/Haul Mode . . . . . . . . . . . . . . . . . . . . . . . 214
Drive Systems
All-Wheel Drive . . . . . . . . . . . . . . . . . . . . . . . . 214
Brakes
Antilock Brake System (ABS) . . . . . . . . . . . 215
Electric Parking Brake . . . . . . . . . . . . . . . . . . 215
Brake Assist . . . . . . . . . . . . . . . . . . . . . . . . . . . 216
Hill Start Assist (HSA) . . . . . . . . . . . . . . . . . . 217
Ride Control Systems
Traction Control/Electronic StabilityControl . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 217
Driver Mode Control . . . . . . . . . . . . . . . . . . . 218
Cruise Control
Cruise Control . . . . . . . . . . . . . . . . . . . . . . . . . 219
Adaptive Cruise Control (Advanced) . . . . 221
Driver Assistance Systems
Driver Assistance Systems . . . . . . . . . . . . . 229
Assistance Systems for Parking or Backing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 231
Assistance Systems for Driving . . . . . . . . 235 Forward Collision Alert (FCA)
System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 235
Automatic Emergency Braking (AEB) . . . 237
Front Pedestrian Braking (FPB) System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 238
Side Blind Zone Alert (SBZA) . . . . . . . . . . 240
Lane Change Alert (LCA) . . . . . . . . . . . . . . . 240
Lane Keep Assist (LKA) . . . . . . . . . . . . . . . . 242
Fuel
Top Tier Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . 243
Recommended Fuel . . . . . . . . . . . . . . . . . . . 244
Prohibited Fuels . . . . . . . . . . . . . . . . . . . . . . . 244
Fuels in Foreign Countries . . . . . . . . . . . . . 244
Fuel Additives . . . . . . . . . . . . . . . . . . . . . . . . . 244
Filling the Tank . . . . . . . . . . . . . . . . . . . . . . . 244
Filling a Portable Fuel Container . . . . . . 246
Trailer Towing
General Towing Information . . . . . . . . . . 246
Driving Characteristics and Towing Tips . . . . . . . . . . . . . . . . . . . . . . . . . 246
Trailer Towing . . . . . . . . . . . . . . . . . . . . . . . . . 249
Towing Equipment . . . . . . . . . . . . . . . . . . . . 252
Trailer Sway Control (TSC) . . . . . . . . . . . . . 255
Conversions and Add-Ons
Add-On Electrical Equipment . . . . . . . . . . . 256

Buick Enclave Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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192 Driving and Operating
.Assume that other road users
(pedestrians, bicyclists, and other drivers)
are going to be careless and make
mistakes. Anticipate what they may do
and be ready.
.Allow enough following distance between
you and the driver in front of you.
.Focus on the task of driving.
Impaired Driving
Death and injury associated with impaired
driving is a global tragedy.
{Warning
Drinking alcohol or taking drugs and then
driving is very dangerous. Your reflexes,
perceptions, attentiveness, and judgment
can be affected by even a small amount
of alcohol or drugs. You can have a
serious—or even fatal —collision if you
drive after drinking or taking drugs.
Do not drive while under the influence of
alcohol or drugs, or ride with a driver
who has been drinking or is impaired by
drugs. Find alternate transportation
home; or if you are with a group,
designate a driver who will remain sober.
Control of a Vehicle
Braking, steering, and accelerating are
important factors in helping to control a
vehicle while driving.
Braking
Braking action involves perception time and
reaction time. Deciding to push the brake
pedal is perception time. Actually doing it is
reaction time.
Average driver reaction time is about
three-quarters of a second. In that time, a
vehicle moving at 100 km/h (60 mph) travels
20 m (66 ft), which could be a lot of
distance in an emergency.
Helpful braking tips to keep in mind include:
.Keep enough distance between you and
the vehicle in front of you.
.Avoid needless heavy braking.
.Keep pace with traffic.
If the engine ever stops while the vehicle is
being driven, brake normally but do not
pump the brakes. Doing so could make the
pedal harder to push down. If the engine
stops, there will be some power brake assist
but it will be used when the brake is applied. Once the power assist is used up, it
can take longer to stop and the brake pedal
will be harder to push.
Steering
Electric Power Steering
Caution
To avoid damage to the steering system,
do not drive over curbs, parking barriers,
or similar objects at speeds greater than
3 km/h (1 mph). Use care when driving
over other objects such as lane dividers
and speed bumps. Damage caused by
misuse of the vehicle is not covered by
the vehicle warranty.

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204 Driving and Operating
The Remote Keyless Entry (RKE) transmitter
must be in the vehicle for the system to
operate. If the pushbutton start is not
working, the vehicle may be near a strong
radio antenna signal causing interference to
the Keyless Access system. SeeRemote
Keyless Entry (RKE) System Operation 07.
To shift out of P (Park), the engine must be
running, and the brake pedal must be
applied.
Stopping the Engine/OFF (No Indicator
Lights) : 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) 0207.
If the vehicle is in R (Reverse), D (Drive) or
L (Low), the vehicle will shift to P (Park), the
ignition will turn off, and Retained Accessory
Power (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. Do not turn the engine off when the vehicle
is moving. This will cause a loss of power
assist in the brake and steering systems and
disable the airbags.
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 0215.
5. Press ENGINE START/STOP to turn the vehicle 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 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 some electrical accessories
to be used when the engine is off.
With the ignition off, pressing the button
one time without the brake pedal applied
will place the ignition system in ACC/
ACCESSORY.
The ignition will switch from ACC/
ACCESSORY to OFF after five 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 the button once will place the
ignition system in ON/RUN/START. Once
engine cranking begins, release the button.

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216 Driving and Operating
Before leaving the vehicle, check the red
parking brake status light to ensure that the
parking brake is applied.
EPB Apply
To apply the EPB:1. Be sure the vehicle is at a complete stop.
2. Press the EPB switch momentarily.
The red parking brake status light will flash
and then stay on once the EPB is fully
applied. If the red parking brake status light
flashes continuously, then the EPB is only
partially applied or there is a problem with
the EPB. A DIC message will display. Release
the EPB and try to apply it again. If the
light does not come on, or keeps flashing,
have the vehicle serviced. Do not drive the
vehicle if the red parking brake status light
is flashing. See your dealer.
If the amber service parking brake warning
light is on, press the EPB switch. Continue to
hold the switch until the red parking brake
status light remains on. If the amber service
parking brake warning light is on, see your
dealer. If the EPB is applied while the vehicle is
moving, the vehicle will decelerate as long
as the switch is pressed. If the switch is
pressed until the vehicle comes to a stop,
the EPB will remain applied.
The vehicle may automatically apply the EPB
in some situations when the vehicle is not
moving. This is normal, and is done to
periodically check the correct operation of
the EPB system, or at the request of other
safety functions that utilize the EPB.
If the EPB fails to apply, block the rear
wheels to prevent vehicle movement.
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 red parking
brake status light is off.
If the amber service parking brake warning
light is on, release the EPB by pressing and
holding the EPB switch. Continue to hold the
switch until the red parking brake status
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.
If you are towing a trailer and parking on a
hill, see Driving Characteristics and Towing
Tips 0246.
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.
Brake Assist
Brake Assist detects rapid brake pedal
applications 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

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Driving and Operating 217
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. SeeDefensive Driving
0 191.
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. 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), an electronic stability control
system. These systems help limit wheel slip
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. When this happens, TCS
applies the brakes to the spinning wheels
and reduces engine power to limit
wheel spin.
StabiliTrak/ESC activates when the vehicle
senses a difference between the intended
path and the direction the vehicle is actually
traveling. StabiliTrak/ESC selectively appliesbraking pressure to any one of the vehicle
wheel brakes to assist the driver in keeping
the vehicle on the intended path.
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 0199 and “Turning the
Systems Off and On” later in this section.

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Driving and Operating 229
Do not use ACC when driving on steep hills
or when towing a trailer. ACC will not detect
a vehicle in the lane while driving on steep
hills. The driver will often need to take over
acceleration and braking on steep hills,
especially when towing a trailer. If the
brakes are applied, the ACC disengages.
Disengaging ACC
There are three ways to disengage ACC:
.Step lightly on the brake pedal.
.Press*.
.Press5.
Erasing Speed Memory
The cruise control set speed is erased from
memory if
5is pressed or if the ignition is
turned off.
Weather Conditions Affecting ACC
System operation may be limited under
snow, heavy rain, or road spray conditions.
Accessory Installations and Vehicle
Modifications
Do not install or place any object around
the front camera windshield area that would
obstruct the front camera view. Do not install objects on top of the vehicle
that overhang and obstruct the front
camera, such as a canoe, kayak, or other
items that can be transported on a roof rack
system. See
Roof Rack System 085.
Do not modify the hood, headlamps, or fog
lamps, as this may limit the camera’s ability
to detect an object.
Cleaning the Sensing System
The radar sensor on the front of the vehicle
can become blocked by snow, ice, dirt,
or mud. This area needs to be cleaned for
ACC to operate properly.
If ACC will not operate, regular cruise control
may be available. See “Switching Between
ACC and Regular Cruise Control” previously
in this section. Always consider driving
conditions before using either cruise control
system.
For cleaning instructions, see “Washing the
Vehicle” underExterior Care 0314.
System operation may also be limited under
snow, heavy rain, or road spray conditions.
Driver Assistance Systems
This vehicle may have features that work
together to help avoid crashes or reduce
crash damage while driving, backing, and
parking. Read this entire section before
using these systems.
{Warning
Do not rely on the Driver Assistance
Systems. These systems do not replace
the need for paying attention and driving
safely. You may not hear or feel alerts or
warnings provided by these systems.
Failure to use proper care when driving
may result in injury, death, or vehicle
damage. See Defensive Driving 0191.
Under many conditions, these systems
will not:
.Detect children, pedestrians, bicyclists,
or animals.
.Detect vehicles or objects outside the
area monitored by the system.
.Work at all driving speeds.
.Warn you or provide you with enough
time to avoid a crash. (Continued)

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Driving and Operating 231
Radio Frequency
This vehicle may be equipped with driver
assistance systems that operate using radio
frequency. SeeRadio Frequency Statement
0 346.
Assistance Systems for Parking or
Backing
If equipped, the Rear Vision Camera (RVC),
Front Park Assist (FPA), Rear Park Assist
(RPA), Surround Vision, and Rear Cross
Traffic Alert (RCTA) may help the driver park
or avoid objects. Always check around the
vehicle when parking or backing.
Rear Vision Camera (RVC)
When the vehicle is shifted into R (Reverse),
the RVC displays an image of the area
behind the vehicle in the infotainment
display. The previous screen displays when
the vehicle is shifted out of R (Reverse) after
a short delay. To return to the previous
screen sooner, press Home or Back on the
infotainment system, shift into P (Park),
or reach a vehicle speed of approximately
12 km/h (8 mph) while in D (Drive).
1. View Displayed by the Camera
1. View Displayed by the Camera
2. Corners of the Rear Bumper
Displayed images may be farther or closer
than they appear. The area displayed is
limited and objects that are close to either
corner of the bumper or under the bumper
do not display.
A warning triangle may display to show
that RPA or RCTA has detected an object.
This triangle changes from amber to red and
increases in size the closer the object.
{Warning
The camera(s) do not display children,
pedestrians, bicyclists, crossing traffic,
animals, or any other object outside of
the cameras’ field of view, below the
bumper, or under the vehicle. Shown
distances may be different from actual
distances. Do not drive or park the
vehicle using only these camera(s).
Always check behind and around the
vehicle before driving. Failure to use
proper care may result in injury, death,
or vehicle damage.
Surround Vision
If equipped, Surround Vision shows an
image of the area surrounding the vehicle,
along with the front or rear camera views

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232 Driving and Operating
on the infotainment display. The front
camera is in the grille or near the front
emblem, the side cameras are on the
bottom of the outside mirrors, and the rear
camera is above the license plate.
The Surround Vision system can be accessed
by selecting CAMERA in the infotainment
display or when the vehicle is shifted into
R (Reverse). To return to the previous screen
sooner, press any button on the
infotainment system, shift into P (Park),
or reach a vehicle speed of approximately
12 km/h (8 mph).
{Warning
The Surround Vision cameras have blind
spots and will not display all objects near
the corners of the vehicle. Folding outside
mirrors that are out of position may not
display surround view correctly. Always
check around the vehicle when parking or
backing.
1. Views Displayed by the SurroundVision Cameras
2. Area Not Shown
1. Views Displayed by the Surround Vision Cameras
2. Area Not Shown
Camera Views
Touch the camera view buttons along the
bottom of the infotainment display.
Available views will differ depending on
vehicle options.
Front/Rear Standard View : Displays an
image of the area in front or behind the
vehicle. Touch Front/Rear Standard View on
the infotainment display when a camera
view is active. Touching the button multiple
times will toggle between front and rear
camera views.
If equipped, the front view camera also
displays when the Park Assist system
detects an object within 30 cm (12 in).

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Driving and Operating 233
Front/Rear Junction View :Displays a front
or rear cross traffic view that shows objects
directly to the left and right of the front or
back of the vehicle. Touch Junction View on
the infotainment display when a camera
view is active. Touching the button multiple
times will toggle between front and rear
camera views.
Front/Rear Overhead View : Displays a front
or rear overhead view of the vehicle.
Touching the button will toggle between the
two views.
Front/Rear Bowl View : Displays a view of
the vehicle from either the front or the back
of the vehicle. Touch Bowl View on the
infotainment display when a camera view is
active. Touching the button multiple times
will toggle between forward and rearward
views. Park Assist and RCTA overlays are not
available when Bowl View is active.
Side Forward/Rearward View : Displays a
view that shows objects next to the front or
rear sides of the vehicle. Touch Side
Forward/Rearward View on the infotainment
display when a camera view is active.
Touching the button multiple times will
toggle between forward and rearward views. Park Assist and RCTA overlays are not
available when Side Forward/Rearward View
is active.
Hitch View :
Assists while connecting to a
trailer. Displays a zoomed-in view of the
hitch to help align the vehicle’s hitch ball
with the trailer coupler. Shifting into
P (Park) while in this view will automatically
engage the Electric Parking Brake (EPB).
Guidance Lines : Displays available
guidelines. The horizontal markings
represent distance from the vehicle.
Top Down View : Displays an image of the
area surrounding the vehicle, along with
other views in the infotainment display. Top
Down can be enabled or disabled by
pressing the Top Down View button multiple
times.
Hitch Guidance
If equipped, this feature displays a single,
centered guideline on the camera display to
assist with aligning a vehicle’s hitch ball
with a trailer coupler. Select the trailer
guidance line button, then align the trailer
guidance line over the trailer coupler.
Continuously steer the vehicle to keep the
guidance line centered on the coupler when
backing. RVC Park Assist overlays will not display when the trailer guidance line is
active. Hitch Guidance is only available in
Standard View.
To check the trailer when in a forward gear
above 12 km/h (8 mph), touch CAMERA on
the infotainment display to view the rear
camera. Touch X to exit the view or it will
be removed automatically after
eight seconds.
{Warning
Use Hitch Guidance only to help back the
vehicle to a trailer hitch or, when
traveling above 12 km/h (8 mph), to
briefly check the status of your trailer. Do
not use for any other purpose, such as
making lane change decisions. Before
making a lane change, always check the
mirrors and glance over your shoulder.
Improper use could result in serious
injury to you or others.
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, (if
equipped with Front Park Assist), and 1.5 m

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234 Driving and Operating
(5 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.
Front and Rear Park Assist
Rear Park Assist
The instrument cluster may have a park
assist display with bars that show “distance
to object” and object location information
for the Park Assist system. As the object
gets closer, more bars light up and the bars
change color from yellow to amber to red.
An obstacle is also indicated by audible beeps. The interval between the beeps
becomes shorter as the vehicle gets closer
to the obstacle.
When an object is first detected in the rear
both sides of the Safety Alert Seat will pulse
two times. When an object is very close
(<0.6 m (2 ft) in the vehicle rear, or <0.3 m
(1 ft) in the vehicle front), a continuous beep
will sound from the front or rear. Beeps for
FPA are higher pitched than for RPA.
Rear Cross Traffic Alert (RCTA)
If equipped, RCTA shows a red warning
triangle with a left or right pointing arrow
on the infotainment display to warn of
traffic coming from the left or right. This
system detects objects coming from up to
20 m (65 ft) from the left or right side of
the vehicle. When an object is detected,
three beeps sound from the left or right,
depending on the direction of the detected
vehicle.
Use caution while backing up when towing
a trailer, as the RCTA detection zones that
extend out from the back of the vehicle do
not move further back when a trailer is
towed.