rear brake HYUNDAI SANTA FE HYBRID 2021 User Guide

Driver assistance system
7-16
OADAS031[A] : Your vehicle, [B] : Lane changing vehicle,
[C] : Same lane vehicle
When a vehicle in front of you
merges out of the lane, Forward
Collision-Avoidance Assist may not
immediately detect the vehicle that
is now in front of you. In this case,
you must maintain a safe braking
distance, and if necessary, steer your
vehicle and depress the brake pedal
to reduce your driving speed in order
to maintain a safe distance.•
Detecting vehicle
OTMH070002
If the vehicle in front of you has
cargo that extends rearward from
the cab, or when the vehicle in front
of you has higher ground clearance,
additional special attention is
required. Forward Collision-
Avoidance Assist may not be able
to detect the cargo extending from
the vehicle. In these instances,
you must maintain a safe braking
distance from the rearmost object,
and if necessary, steer your vehicle
and depress the brake pedal to
reduce your driving speed in order to
maintain distance.

Driver assistance system
7-26
OJX1079028
When you are driving forward out of
a parking space, if the system judges
that there is a collision risk with an
approaching vehicle in the blind spot,
the system will help avoid a collision by
applying the brake.
Information
In the following text, Blind-Spot Collision-
Avoidance Assist will be referred as Blind-
Spot Safety system.
Detecting sensor
OTMH050004
OTM070002[1] : Front view camera,
[2] : Rear corner radar
Refer to the picture above for the
detailed location of the detecting
sensors.
CAUTION
Take the following precautions to
maintain optimal performance of the
detecting sensor:
• Never disassemble the rear corner
radar or radar assembly, or apply any
impact on it.
• If there is impact on the rear
corner radar or near the radar,
even though the warning message
does not appear on the cluster,
Blind-Spot Safety system may not
operate properly. We recommend
that the system be inspected by an
authorized HYUNDAI dealer.

07
7-67
• Changing lanes
OADAS030 [A] : Your vehicle, [B] : Lane changing vehicle
When a vehicle moves into your lane
from an adjacent lane, it cannot be
detected by the sensor until it is in the
sensor's detection range. Smart Cruise
Control may not immediately detect
the vehicle when the vehicle changes
lanes abruptly. In this case, you must
maintain a safe braking distance, and
if necessary, depress the brake pedal
to reduce your driving speed in order
to maintain a safe distance. •
Detecting vehicle
OJX1079181
In the following cases, some vehicles
in your lane cannot be detected by the
sensor:
-Vehicles offset to one side
-Slow-moving vehicles or sudden-
decelerating vehicles
-Oncoming vehicles
-Stopped vehicles
-Vehicles with small rear profile, such
as trailers
-Narrow vehicles, such as
motorcycles or bicycles
-Special vehicles
-Animals and pedestrians
Adjust your vehicle speed by
depressing the brake pedal according
to the road and driving conditions
ahead.

07
7-99
OTM070141N
Warning volume
With the engine on, select ‘Driver
assistance → Warning volume’ from the Settings menu to change the Warning volume to ‘High’, ‘Medium’ or ‘Low’ for Rear Cross-Traffic Safety system.
If you change the Warning volume,
the Warning volume of other Driver
Assistance systems may change.
CAUTION
• The setting of the Warning timing
and Warning volume applies to
all functions of the Rear Collision-
Avoidance Assist.
• Even though ‘Normal’ is selected for
Warning timing, if the vehicles from
the left and right side approaches
at high speed, the initial warning
activation time may seem late.
• Select ‘Late’ for Warning timing
when traffic is light and when driving
speed is slow.
Information
If the engine is restarted, Warning timing
and Warning volume will maintain the last
setting.
System operation
System warning and control
Rear Cross-Traffic Safety system will
warn and control the vehicle depending
on collision level: ‘Collision warning’, ‘Emergency Braking’ and ‘Stopping vehicle and ending brake control’.
OHY059034OTM070168
OTM070076
Collision Warning
• To warn the driver of an approaching
vehicle from the rear left/right side of
your vehicle, the warning light on the
outside rearview mirror will blink and
a warning will appear on the cluster.
At the same time, an audible warning
will sound. If Rear View Monitor is
operating, a warning will also appear
on the infotainment system screen.

Driver assistance system
7-102
WARNING
Take the following precautions when
using Rear Cross-Traffic Safety system:
• For your safety, change the Settings
after parking the vehicle at a safe
location.
• If any other system’s warning
message is displayed or audible
warning is generated, Rear Cross-
Traffic Safety system’s warning
message may not be displayed
and audible warning may not be
generated.
• You may not hear the warning sound
of Rear Cross-Traffic Safety system if
the surrounding is noisy.
• Rear Cross-Traffic Safety system may
not operate if the driver applies the
brake pedal to avoid collision.
• During Rear Cross-Traffic Safety
system operation, the vehicle may
stop suddenly injuring passengers
and shifting loose objects. Always
have the seat belt on and keep loose
objects secured.
• Even if there is a problem with Rear
Cross-Traffic Safety system, the
vehicle’s basic braking performance
will operate normally.
• Rear Cross-Traffic Safety system does
not operate in all situations or cannot
avoid all collisions.
• During emergency braking,
braking control by the system will
automatically cancel when the
driver excessively depresses the
accelerator pedal. •
The driver should hold the
responsibility to control the vehicle.
Do not solely depend on Rear
Cross-Traffic Safety system. Rather,
maintain a safe braking distance, and
if necessary, depress the brake pedal
to reduce driving speed or to stop
the vehicle.
• Never deliberately operate Rear
Cross-Traffic Safety system on
people, animal, objects, etc. It may
cause serious injury or death.
CAUTION
The brake control may not operate
properly depending on the status of
ESC (Electronic Stability Control).
There will only be a warning when:
-The ESC (Electronic Stability Control)
warning light is on
-ESC (Electronic Stability Control) is
engaged in a different function
Information
• If the system assists you with braking,
the driver needs to pay attention as the
brake assist will end within 2 seconds.
The driver must immediately depress
the brake pedal and check vehicle
surroundings.
• Brake control will end when the
driver depresses the brake pedal with
sufficient power.
• After shifting the gear to R (Reverse),
braking control will operate once for
left and right vehicle approach.

Driver assistance system
7-104
WARNING
• Even though the warning message
does not appear on the cluster, Rear
Cross-Traffic Safety system may not
operate properly.
• Rear Cross-Traffic Safety system may
not operate properly in an area (for
example: open terrain), where any
substance are not detected after
turning ON the engine.
CAUTION
Turn off Rear Cross-Traffic Safety
system to install a trailer, carrier, etc.,
or remove the trailer, carrier, etc. to use
Rear Cross-Traffic Safety system.
Limitations of the system
Rear Cross-Traffic Safety system may
not operate normally, or the system
may operate unexpectedly under the
following circumstances:
• Departing from where trees or grass
are overgrown
• Departing from where roads are wet
• Speed of the approaching vehicle is
fast or slow
Braking control may not work, driver’s attention is required in the following
circumstances:
• The vehicle severely vibrates while
driving over a bumpy road, uneven
road or concrete patch
• Driving on a slippery surface due to
snow, water puddle, ice, etc.
• The tire pressure is low or a tire is
damaged
• The brake is reworked
• Remote Smart Parking Assist is
operating (if equipped)
CAUTION
For more details on the limitations of
the rear corner radar, refer to “Blind-
Spot Collision-Avoidance Assist (BCA)”
section in chapter 7.
WARNING
• Driving near a vehicle or structure
OJX1079111[A] : Structure
Rear Cross-Traffic Safety system
may be limited when driving near
a vehicle or structure, and may not
detect the vehicle approaching from
the left or right. If this occurs, the
system may not warn the driver or
control the brakes when necessary.
Always check your surroundings
while backing up.

07
7-105
• When the vehicle is in a complex
parking environment
OJX1079112
Rear Cross-Traffic Safety system may
detect vehicles which are parking
or pulling out near your vehicle (for
example: a vehicle leaving beside
your vehicle, a vehicle parking or
pulling out in the rear area, a vehicle
approaching your vehicle making a
turn, etc.). If this occurs, the system
may unnecessarily warn the driver
and control the brake.
Always check your surroundings
while backing up. •
When the vehicle is parked
diagonally
OJX1079113[A] : Vehicle
Rear Cross-Traffic Safety system
may be limited when backing up
diagonally, and may not detect the
vehicle approaching from the left or
right. If this occurs, the system may
not warn the driver or control the
brakes when necessary.
Always check your surroundings
while backing up.
• When the vehicle is on or near a
slope
OTM070229L
Rear Cross-Traffic Safety system
may be limited when the vehicle is
on a uphill or downhill slope, or near
it, and may not detect the vehicle
approaching from the left or right. If
this occurs, the system may not warn
the driver or control the brakes when
necessary.
Always check your surroundings
while backing up.

Driver assistance system
7-106
• Pulling into the parking space where
there is a structure
OJX1079115[A] : Structure, [B] :Wall
Rear Cross-Traffic Safety system
may detect vehicles passing by
in front of you when parking in
reverse into a parking space with a
wall or structure in the rear or side
area. If this occurs, the system may
unnecessarily warn the driver and
control the brake.
Always check your surroundings
while backing up. •
When the vehicle is parked rearward
OJX1079116
Rear Cross-Traffic Safety system may
detect vehicles passing by behind
you when parking in reverse into
a parking space. If this occurs, the
system may unnecessarily warn the
driver and control the brake.
Always check your surroundings
while backing up.
WARNING
• When you are towing a trailer or
another vehicle, we recommend that
Rear Cross-Traffic Safety system is
turned off due to safety reasons.
• Rear Cross-Traffic Safety system may
not operate normally if interfered by
strong electromagnetic waves.
• Rear Cross-Traffic Safety system may
not operate for 3 seconds after the
vehicle is started, or the rear corner
radars are initialized.

07
7-117
System operation
Operating conditions
If ‘Rear active assist’ or ‘Rear warning only’ is set from the Settings menu, Reverse Parking Collision-Avoidance
Assist will be in the ready status when
the following conditions are satisfied:
-The liftgate is closed
-The gear is shifted to R (Reverse)
-Vehicle speed is below 6 mph (10
km/h)
-System components such as the rear
view camera and the rear ultrasonic
sensors are in normal conditions
When Reverse Parking Collision-
Avoidance Assist activates, a line
appears behind the vehicle image in the
instrument cluster.
Reverse Parking Collision-Avoidance
Assist operates only once after the gear
is shifted to R (Reverse). To reactivate
Reverse Parking Collision-Avoidance
Assist, shift the gear from another gear
to R (Reverse).
OTM070174
Rear Active Assist
• If the system detects a risk of collision
with a pedestrian or an object, the
system will warn the driver with an
audible warning and warning message
on the cluster. When Rear View
Monitor is operating, a warning will
appear on the infotainment system
screen.
• If the system detects an imminent
collision with a pedestrian or an
object behind the vehicle, the system
will assist you with braking. The driver
needs to pay attention as the brake
assist will end within 2 seconds. The
driver must immediately depress
the brake pedal and check vehicle
surroundings.
• Brake control will end when:
-The gear is shifted to P (Park) or D
(Drive).
-The driver depresses the brake
pedal with sufficient power
-Braking assist has last for
approximately 2 seconds
• The warning will turn off when:
-The driver shifts the gear to P (Park),
N (Neutral), or D (Drive)
• The brake control may not operate
properly depending on the status of
ESC (Electronic Stability Control).
There will only be a warning when:
-The ESC (Electronic Stability
Control) warning light is on
-ESC (Electronic Stability Control) is
engaged in a different function

07
7-119
„„Rear view camera„„Rear ultrasonic sensor
OTM070219LOTM070176L
The ‘Rear camera error or blockage’ or ‘Parking sensor error or blockage’ warning message will appear on the
cluster if the following situations occur:
-The rear view camera is covered with
foreign material, such as snow or rain,
etc.
-There is inclement weather, such as
heavy snow, heavy rain, etc.
If this occurs, Reverse Parking Collision-
Avoidance Assist may turn off or may not
operate properly. Check whether the rear
view camera and rear ultrasonic sensors
are clean.
Limitations of the system
Reverse Parking Collision-Avoidance
Assist may not assist braking or warn
the driver even if there are pedestrians
or objects under the following
circumstances:
• Any non-factory equipment or
accessory is installed
• Your vehicle is unstable due to an
accident or other causes
• Bumper height or rear ultrasonic
sensor installation has been modified
• Rear view camera or rear ultrasonic
sensor(s) is damaged
• Rear view camera or the rear
ultrasonic sensor(s) is stained with
foreign material, such as snow, dirt,
etc.
• Rear view camera is obscured by a
light source or by inclement weather,
such as heavy rain, fog, snow, etc.
• The surrounding is very bright or very
dark
• Outside temperature is very high or
very low
• The wind is either strong (above
12 mph (20 km/h)) or blowing
perpendicular to the rear bumper
• Objects generating excessive
noise, such as vehicle horns, loud
motorcycle engines or truck air
brakes, are near your vehicle
• An ultrasonic sensor with similar
frequency is near your vehicle
• There is ground height difference
between the vehicle and the
pedestrian
• The image of the pedestrian in the
rear view camera is indistinguishable
from the background