2023 HYUNDAI I20 Radar

Driver assistance system
7-120
Rear Cross-Traffic Collision
Warning Assist malfunction and
limitations
Rear Cross-Traffic Collision Warning
Assist malfunction
OTM070125L
When Rear Cross-Traffic Safety system
is not working properly, the ‘Check rear
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message will appear on the cluster, and
the function will turn off automatically,
or the system will be limited. We
recommend that the function be
inspected by a HYUNDAI authorised
repairer.
OTM070100L
When the outside rearview mirror
warning light is not working properly,
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warning message will appear on the
cluster for several seconds, and the
master (
) warning light will illuminate
on the cluster. If the master warning
light illuminates, we recommend that
the vehicle be inspected by a HYUNDAI
authorised repairer.
System disabled
OTM070124L
When the rear bumper around the rear
corner radar or sensor is covered with
foreign material, such as snow or rain,
or installing a trailer or carrier, it can
reduce the detecting performance and
temporarily limit or disable Rear Cross-
Traffic Safety system.
If this occurs, the ‘Rear cross-traffic
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warning message will appear on the
cluster.
The function will operate normally when
such foreign material or trailer, etc. is
removed.
If the function does not operate normally
after it is removed, we recommend that
the function be inspected by a HYUNDAI
authorised repairer.

07
7-121
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 Rear Cross-Traffic
Collision Warning Assist
Rear Cross-Traffic Safety system may
not operate normally, or the function
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
For more details on the limitations of
the rear corner radar, refer to “Blind-
Spot Collision-Avoidance Warning
(BCW)” section in chapter 7.
WARNING

[Driving near a vehicle or structure
OJX1070111R
[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
function may not warn the driver
when necessary.
Always check your surroundings
whilst backing up.

07
7-123
[Pulling into the parking space where
there is a structure
OJX1070115R
[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 function may unnecessarily warn
the driver.
Always check your surroundings
whilst backing up.
[When the vehicle is parked rearward
OJX1070116R
Rear Cross-Traffic Safety system may
detect vehicles passing by behind
you when parking in reverse into
a parking space. If this occurs, the
function may unnecessarily warn the
driver.
Always check your surroundings
whilst backing up.
WARNING

[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.

Driver assistance system
7-124
Rear Cross-Traffic Collision-Avoidance
Assist is designed to help detect vehicles
approaching from the left and right side
whilst your vehicle is reversing, and warn
the driver that a collision is imminent
with a warning message and an audible
warning. Also, braking is assisted to help
prevent a collision.
OJX1070108R
[A] : Rear Cross-Traffic Collision Warning operating
range,
[B] : Rear Cross-Traffic Collision-Avoidance Assist
operating range
CAUTION
The time of warning may vary
depending on vehicle speed of the
approaching vehicle.
Information
In the following text, Rear Cross-Traffic
Collision Warning and Rear Cross-
Traffic Collision-Avoidance Assist will
be referred as Rear Cross-Traffic Safety
system.
Detecting sensor
OBC3070018
[1] : Rear corner radar
Refer to the picture above for the
detailed location of the detecting
sensors.
CAUTION
For more details on the precautions of
the rear corner radar, refer to “Blind-
Spot Collision-Avoidance Assist (BCA)”
section in chapter 7.
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07
7-131
Rear Cross-Traffic Collision-
Avoidance Assist disabled
OTM070124L
When the rear bumper around the rear-
side radar or sensor is covered with
foreign material, such as snow or rain,
or installing a trailer or carrier, it can
reduce the detecting performance and
temporarily limit or disable Rear Cross-
Traffic Safety system.
If this occurs, the ‘Rear cross-traffic
VDIHW\IXQFWLRQVGLVDEOHG5DGDUEORFNHG
T
warning message will appear on the
cluster.
The function will operate normally when
such foreign material or trailer, etc. is
removed.
If the function does not operate normally
after it is removed, we recommend that
the function be inspected by a HYUNDAI
authorised repairer.
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 Rear Cross-Traffic
Collision-Avoidance Assist
Rear Cross-Traffic Safety system may
not operate normally, or the function
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
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attention is required in the following
circumstances:

[The vehicle severely vibrates whilst
driving over a bumpy road, uneven
road or concrete patch

[Driving on a slippery surface due to
snow, water puddle, ice, etc.

[The tyre pressure is low or a tyre is
damaged

[The brake is reworked

[Parking Assist is operating
(if equipped)

Driver assistance system
7-132
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
OJX1070111R
[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
function may not warn the driver or
control the brakes when necessary.
Always check your surroundings
whilst backing up.
[When the vehicle is in a complex
parking environment
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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 function
may unnecessarily warn the driver
and control the brake.
Always check your surroundings
whilst backing up.

Driver assistance system
7-134

[Pulling into the parking space where
there is a structure
OJX1070115R
[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 function may unnecessarily warn
the driver and control the brake.
Always check your surroundings
whilst backing up.
[When the vehicle is parked rearward
OJX1070116R
Rear Cross-Traffic Safety system may
detect vehicles passing by behind
you when parking in reverse into
a parking space. If this occurs, the
function may unnecessarily warn the
driver and control the brake.
Always check your surroundings
whilst 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 15 seconds after the
vehicle is started, or the rear corner
radars are initialized.