
07
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•
The distance between the vehicle and
the road signs is too far
• The vehicle encounters illuminant
road signs
• Intelligent Speed Limit Assist
incorrectly recognizes numbers in the
street signals or other signs as the speed limit
• The minimum speed limit sign is on
the road
• The brightness changes suddenly, for
example when entering or exiting a tunnel or passing under a bridge
• Headlamps are not used or the
brightness of the headlamps are weak
at night or in the tunnel
• Road signs are difficult to recognize
due to the reflection of sunlight, street
lights, or oncoming vehicles
• The navigation information or GPS
information contain errors.
• The driver does not follow the guide
of the navigation.
• The driver is driving a new road that is
not in the navigation system yet.
• The field of view of the front view
camera is obstructed by sun glare
• Driving on a road that is sharply
curved or continuously curved
• Driving through speed bumps, or
driving up and down or left to right on
steep inclines
• The vehicle is shaking heavily
• There is an error in the navigation map
information or GPS information
• The driver is not driving along the
navigation guide route
• Driving on a newly opened road
Information
For more details on the limitations of the
front view camera, refer to “Forward
Collision-Avoidance Assist (FCA)” section
in this chapter.
WARNING
• Intelligent Speed Limit Assist is a
supplemental function that helps the
driver to comply with the speed limit
on the road, and may not display the
correct speed limit or control the
driving speed properly.
• Always set the vehicle speed to the
speed limit in your country.

07
7-89
Navigation-based Smart Cruise Control
can helps drive at a certain speed
according to the road conditions when
driving on highways by using road
information from the navigation system
while Smart Cruise Control is operating.
Information
• Navigation-based Smart Cruise Control
is available only on controlled access
road of certain highways.
à Controlled access road indicates
roads with limited entrances and exits that allow uninterrupted high
speed traffic flow. Only passenger
cars and motorcycles are allowed on
controlled access roads.
• Additional highways may be expanded
by future navigation updates.
Information
Navigation-based Smart Cruise Control
operates on main roads of highways,
and does not operate on interchanges or junctions.
Highway Curve Zone Auto Slowdown
If vehicle speed is high, Highway Curve
Zone Auto Slowdown function will
temporarily decelerate your vehicle
or limit acceleration to help you drive
safely on a curve based on the curve
information from the navigation.
Highway Set Speed Auto Change
Highway Set Speed Auto Change
function automatically changes Smart
Cruise Control set speed based on
the speed limit information from the
navigation.
Navigation-based Smart Cruise
Control Settings
Setting features
ONE1071212N
With the vehicle on, select ‘Driver
Assistance → Driving Assist → Highway
Auto Speed Change’ from the Settings
menu to turn on Navigation-based Smart
Cruise Control and deselect to turn off the function.
Information
When there is a problem with Navigation-
based Smart Cruise Control, the function
cannot be set from the Settings menu.
NAVIGATION-BASED SMART CRUISE CONTROL (NSCC)
(IF EQUIPPED)

Driver Assistance System
7-90
Navigation-based Smart Cruise
Control Operation
Operating conditions
Navigation-based Smart Cruise Control
is ready to operate if all of the following
conditions are satisfied: • Smart Cruise Control is operating
• Driving on main roads of highways
Information
For more details on how to operate Smart
Cruise Control, refer to “Smart Cruise
Control (SCC)” section in this chapter.
Display and control
When Navigation-based Smart Cruise
Control operates, it will be displayed on
the cluster as follows:
Navigation-based Smart Cruise Control standby
ONE1071028N
If the operating conditions are satisfied,
the white
symbol will illuminate.
Navigation-based Smart Cruise Control operating
ONE1071101N
If temporary deceleration is required in
the standby state and Navigation-based
Smart Cruise Control is operating, the
green
symbol will illuminate on the
cluster.
If the Highway Set Speed Auto Change
function operates, the
symbol and
set speed will illuminate in green on
the cluster, and an audible warning will sound.

Driver Assistance System
7-92
•
If Highway Set Speed Auto Change
function has changed to the standby
state by depressing the brake pedal
or pressing the
switch on the
steering wheel, press the switch to
restart the function.
• Highway Set Speed Auto Change
function does not operate on highway
interchanges or junctions.
Information
• Highway Set Speed Auto Change function only operates based on the
speed limits of the highway, it does not work with the speed cameras.
• When Highway Set Speed Auto Change function is operating, the vehicle
automatically accelerates or decelerates when the highway speed limit changes.
• The maximum set speed for Highway
Set Speed Auto Change function is 90 mph (140 km/h).
• If the speed limit of a new road is not updated in the navigation, Highway Set
Speed Auto Change function may not
operate properly.
• If the speed unit is set to a unit other
than the speed unit used in your
country, Highway Set Speed Auto Change function may not operate
properly.
Information
The images or colors may be displayed
differently depending on the specifications
of the instrument panel or theme.
Limitations of Navigation-based
Smart Cruise Control
Navigation-based Smart Cruise Control
may not operate properly under the
following circumstances: • The navigation is not working properly
• Map information is not transmitted
due to infotainment system's
abnormal operation
• Speed limit and road information in
the navigation is not updated
• The map information and the actual
road is different because of real-time
GPS data or map information error
• The navigation searches for a route while driving
• GPS signals are blocked in areas such as a tunnel
• A road that divides into two or more
roads and joins again
•
![HYUNDAI IONIQ 5 2023 Owners Manual Driver Assistance System
7-94
OJX1070281L
[1] : Set route, [2] : Branch line, [3] : Driving route,
[4] : Main road, [5] : Curved road section • When there is a difference between
the navigation HYUNDAI IONIQ 5 2023 Owners Manual Driver Assistance System
7-94
OJX1070281L
[1] : Set route, [2] : Branch line, [3] : Driving route,
[4] : Main road, [5] : Curved road section • When there is a difference between
the navigation](/manual-img/35/56168/w960_56168-495.png)
Driver Assistance System
7-94
OJX1070281L
[1] : Set route, [2] : Branch line, [3] : Driving route,
[4] : Main road, [5] : Curved road section • When there is a difference between
the navigation route (main road)
and the driving route (branch line),
Highway Curve Zone Auto Slowdown
function will operate based on the
curve information on the main road.
• When it is judged that you are driving
out of the route by entering the
highway interchange or junction,
Highway Curve Zone Auto Slowdown
function will not operate.
• OJX1070282L
[1] : Driving route, [2] : Branch line,
[3] : Curved road section, [4] : Main road • If there is no destination set on the
navigation, Highway Curve Zone Auto
Slowdown function will operate based
on the curve information on the main
road.
• Even if you depart from the main road,
Highway Curve Zone Auto Slowdown
function may temporarily operate
due to navigation information of the
highway curve section.

Driver Assistance System
7-96
Information
• A time gap could occur between the
navigation’s guidance and when
Navigation-based Smart Cruise Control operation starts and ends.
• The speed information on the cluster
and navigation may differ.
• Even if you are driving at a speed lower
than Smart Cruise Control set speed, acceleration may be limited by the curve sections ahead.
• If Navigation-based Smart Cruise
Control is operating while leaving the
main road to enter an interchange,
junction, rest area, etc., the function
may operate for a certain period of time.
• Deceleration by Navigation-based
Smart Cruise Control may feel it is not
sufficient due to road conditions such
as uneven road surfaces, narrow lanes, etc. Information
This device complies with Part 15 of the FCC rules.
Operation is subject to the following three conditions: 1. This device may not cause harmful
interference, and
2. This device must accept any
interference received, including
interference that may cause undesired operation of the device.
3. Changes or modifications not expressly
approved by the party responsible
for compliance could void the user's authority to operate the device.
Information
Radio frequency radiation exposure information: This equipment complies with FCC
radiation exposure limits set forth for an
uncontrolled environment. This equipment should be installed and operated with minimum distance of 8 in.
(20 cm) between the radiator (antenna)
and your body.
This transmitter must not be co-located or
operating in conjunction with any other
antenna or transmitter.

07
7-111
Highway Driving Assist
Malfunction and Limitation
Highway Driving Assist malfunction
OTM070120NOJX1079105L
When Highway Driving Assist or
Highway Lane Change function is not
working properly, the ‘Check Highway
Driving Assist (HDA) system’ or ‘Check
Lane Change Assist function’ warning
message will appear, and the
warning
light will illuminate on the cluster.
Have the vehicle be inspected by an
authorized HYUNDAI dealer.
WARNING
• The driver is responsible for
controlling the vehicle for safe driving.
• Always have your hands on the
steering wheel while driving.
• Highway Driving Assist is a
supplemental function that assists
the driver in driving the vehicle
and is not a complete autonomous
driving system. Always check road
conditions, and if necessary, take
appropriate actions to drive safely. •
Always have your eyes on the road,
and it is the responsibility of the
driver to avoid violating traffic laws.
The vehicle manufacturer is not
responsible for any traffic violation
or accidents caused by the driver.
• Highway Driving Assist may not
be able to recognize all traffic
situations. Highway Driving Assist
may not detect possible collisions
due to limitations of the function.
Always be aware of the limitations
of the function. Obsatcles (vehicles,
motorcycles, bicycles, pedestrians,
unspecified objects, structures,
etc.) that may collide with a vehicle
may not be detected.
• Highway Driving Assist will turn off
automatically under the following
situations:
- Driving on roads that Highway
Driving Assist does not operate,
such as a rest area, intersection,
junction, etc.
- The navigation does not operate
properly such as when the
navigation is being updated or
restarted
• Highway Driving Assist may
inadvertently operate or turn off
depending on road conditions
(navigation information) and
surroundings.
• Lane Following Assist function may
be temporarily disabled when the
front view camera cannot detect
lanes properly or the hands-off
warning is on.
• You may not hear the warning sound
of Highway Driving Assist if the
surrounding is noisy.

Driver Assistance System
7-112
•
If the vehicle is driven at high speed
above a certain speed at a curve,
your vehicle may drive to one side or
may depart from the driving lane.
• When you are towing a trailer or
another vehicle, turn off Highway
Driving Assist for safety reasons.
• The hands–off warning message
may appear early or late depending
on how the steering wheel is held or
road conditions. Always have your
hands on the steering wheel while driving.
• For your safety, please read the
owner's manual before using the
Highway Driving Assist.
• Highway Driving Assist will not
operate when the vehicle is started,
or when the detecting sensors or
navigation is being initialized.
Limitations of Highway Driving
Assist
Highway Driving Assist and Highway
Lane Change function may not operate
properly, or may not operate under the
following circumstances: • The map information and the
actual road is different because the
navigation is not updated
• The map information and the actual
road is different because of real-time
GPS data or map information error
• The infotainment system is overloaded
by simultaneously performing
functions such as route search, video
playback, voice recognition, etc. •
GPS signals are blocked in areas such as a tunnel
• The driver goes off course or the
route to the destination is changed or
canceled by resetting the navigation
• The vehicle enters a service station or
rest area
• Android Auto or Car Play is operating
• The navigation cannot detect the
current vehicle position (for example,
elevated roads including overpass
adjacent to general roads or nearby
roads exist in a parallel way)
• White single dotted lane line or road
edge cannot be detected
• The road is temporarily controlled due
to construction, etc.
• There is no structure, such as a
medium strip, guardrails, etc., on the
road
• There is a changeable lane in the
direction of lane change
Information
For more details on the limitations of
the front view camera, front radar, front
corner radar and rear corner radar, refer
to “Forward Collision-Avoidance Assist
(FCA)” section in this chapter.