2021 HYUNDAI TUCSON HYBRID service reset

Instrument cluster
4-38
5. Convenience
ItemsExplanation
Seat Easy
Access
• Off : The seat easy access function is deactivated.
• Normal/Extended : When you turn off the engine, the driver's seat will
automatically move rearward short (Normal) or long (Extended) for you to
enter or exit the vehicle more comfortably.
For more details, refer to "Driver Position Memory System" in chapter 5.
Rear
Occupant AlertTo activate or deactivate the Rear Occupant Alert.
For more details, refer to "Rear Occupant Alert (ROA) system" in chapter
5.
Welcome
Mirror/Light
• On door unlock : The outside rearview mirrors are unfolded and the
welcome light turns on automatically when the doors are unlocked.
• On driver approach : The outside rearview mirrors are unfolded and the
welcome light turns on automatically when the vehicle is approached
with the smart key.
For more details, refer to ''Welcome System'' in chapter 5."
Wireless
Charging SystemTo activate or deactivate the wireless charging system in the front seat.
For more details, refer to "Wireless cellular phone charging system" in
chapter 5.
Auto Rear
Wiper (in R)To activate or deactivate the Auto Rear Wiper function.
If you move the gear from D to R when the front wiper operates, the rear
wiper will operate automatically. Then, if you move the gear from R to D,
the rear wiper will stop."
Advanced
Anti-TheftTo activate or deactivate the Advanced Anti-Theft function.
Service
Interval
• Service Interval
To activate or deactivate the service interval function.
• Adjust Interval
If the service interval menu is activated, you may adjust the time and
distance.
• Reset
To reset the service interval.
à The information provided may differ depending on which functions are applicable
to your vehicle.

05
5-23
Smartphone change/App deletion
If you change your smartphone or delete
the Hyundai Digital Key App, please refer
to the following to set up your Digital
Key:
Smartphone Change/ Reset
If you change or reset the smartphone,
the registered digital key in your previous
smartphone may not be used. Please
refer to following procedure to use the
digital key.
1.
Install the digital k
ey application and
log in.
2.
If you ar

e the owner, retry the Digital
key save process.
3.
If you ar

e the sharer, need to re-share
the key from owner.
App delete & reinstall/ Delete App data
You can re-download the digital key
from server in these cases as follow
procedure.
1.
Reins

tall the application and log in.
2.
Input the PIN number for user
v

erification.
3.
If PIN is correct, digital k

ey data
will be re-downloaded to your
smartphone and you can use it
without any further registration or
sharing.
Smartphone operability with Digital Key
The digital key application may not
be available to old type smartphones.
Please check the available smartphone
models with your dealer. NFC antenna
position on the smartphone can be
confirmed on each smartphone’s manual
or contact to customer service center of
the smartphone manufacture. CAUTION
• Do not leave the registered digital
key (smartphone) and card key in
your vehicle. Please carry around
your keys all the times.
• If you happen to lose your digital
key (smartphone) or card key
registered as a main user’s key, you
should immediately delete the key
on the vehicle’s key menu. For more
information, refer to the Digital Key
Deletion in this chapter.
• If you registered your digital key
(smartphone) or card key in the
vehicle, a message appears on the
instrument cluster and let you know
the key is registered.
(Message: Digital key(s) active.)
• If you buy a used vehicle, you should
confirm the message and delete the
registered smartphone key and card
key. In this case, you should carry
your smart key.
• If you keep place the NFC card
of the digital key on the interior
authentication pad (wireless
charger) while driving, it may cause a
malfunction of the NFC card.
• You should remove your NFC card
of the digital key on the interior
authentication pad after turning on
the engine.
• Hyundai digital key app may not
work properly when the NFC or
Bluetooth communication between
smartphone and car is not good.
• If the remote control operation
is executed where the mobile
connection is weak, Bluetooth
connection is poor due to lots of
Bluetooth devices or there is an
object such as metal or concrete, it
might be delayed or the operable
distance might decrease. Especially,
you should not cover the smartphone
with your hand or place other
devices which can cause frequency
interference. It may result in poor
performance.

Convenient features
5-24
• If the remote control function is not
activated, please use NFC function to
lock or unlock the doors
• You should be careful not to
press the remote control button
on the digital key (smartphone)
accidentally.
• If the digital key (smartphone) is
discharged or defective or you
cannot use the digital key since the
vehicle battery is discharged, use the
inside door lock button to lock all of
the doors.
CAUTION
• Hyundai digital key app on the
smartphone and card key may not
work if any of the following occurs:
-Hyundai digital ke

y app on the
smartphone is deleted. (Required
to reinstall the app)
- Ac

count log in information of
Hyundai digital key app is expired.
(Required to re-log in)
- When you try t

o log in to another
smartphone instead of the
registered smartphone with same
user account.
- Smartphone roo

ting or app
hacking is detected.
- Smartphone batt

ery or the vehicle
battery is discharged.
- Smartphone’

s screen is off or
locked.
- NFC or Blue

tooth is turned off on
the smartphone settings.
- Smartphone’

s mobile network
setting is off or airplane mode is
activated.
- A credit car

d is overlapped in the
back of your smartphone or metal
or thick case is used.
- Use the car

d key with insert it
into the wallet or card holder or
overlapping with other cards.
- If y
ou use a smart phone cover that
uses wireless communication or is
made of metal, the digital key NFC
function may not work properly.
Remove the smart phone cover
before using the digital key NFC
function.
• The vehicle may not be controlled by
the smartphone if any of the following
occurs:
- Basic and necessary functions o f
the smartphone manufacturer are
operating. (General call, urgent
call, audio or NFC payment)
- Wireless earphone is oper

ating.
(General call, urgent call or audio)
- The digital ke

y app function such
as basic setting or app launching
is limited by prior policy according
to the manufacturer while using a
smartphone produced by domestic
and foreign manufactures.
à If y

ou change the smartphone
number, you should modify the user
account information on the HYUNDAI
customer web site to use the digital
key app.
à If the v

ehicle owner changes
the smartphone device, the new
smartphone should be registered in
the car after deleting the registered
digital key(smartphone).
à If a shar

er changes or reset the
smartphone, the key should be re-
shared from owner.
à Some of the old smartphone ma

y
not work properly. Please check the
available smartphone models with
your dealer.
à NFC an

tenna position on the
smartphone can be confirmed
on each smartphone’s manual or
contact to customer service center
of the smartphone manufacture.

Driver assistance system
7-96
Limitations of Navigation-based
Smart Cruise Control
Navigation-based Smart Cruise Control
may not operate normally under the
following circumstances:
• The navigation is not working properly
• Speed limit and road information in
the navigation is not updated
• Map information is not transmitted
due to infotainment system's
abnormal operation
• 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
• The driver goes off course the route
set in the navigation
• 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 (ex: elevated
roads including overpass adjacent to
general roads or nearby roads exist in
a parallel way)
• The navigation is being updated while
driving
• The navigation is being restarted while
driving
• The speed limit of some sections
changes according to the road
situations
• Driving on a road under construction
• Driving on a road that is controlled
• There is bad weather, such as heavy
rain, heavy snow, etc.
• Driving on a road that is sharply
curved

07
7-109
• 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.
• 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, we recommend that
Highway Driving Assist is turned off
due to 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 engine is started,
or when the detecting sensors or
navigation is being initialized.Limitations of Highway Driving
Assist
Highway Driving Assist may not operate
normally, 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 (ex: elevated
roads including overpass adjacent to
general roads or nearby roads exist in
a parallel way)
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 chapter 7.

Emergency situations
8-6
NOTICE
External power source using 12V battery
The use of external power accessories
may reduce performance and function
of the vehicle. Especially, the use of
dash cameras may shut off the power of
the vehicle prior to the dash camera’s
automatic shut-down.
If the power of the vehicle is shut off,
start the vehicle as explained. (refer to
“Using the 12V Battery Reset Switch”)
Jump Starting
In the event vehicle still does not have a
functional 12V battery (check if interior
lights will not turn on) then you can try
a jump start to the engine compartment
jumper terminals using a 12V booster
pack or jumper cables from another
vehicle’s 12V battery according to the
following instructions.
CAUTION
Jump starting can be dangerous if
done incorrectly. Follow the jump
starting procedure in this section to
avoid serious injury or damage to
your vehicle. If in doubt about how to
properly jump start your vehicle, we
strongly recommend that you have a
service technician or towing service do
it for you.
1.
Position the v
ehicles close enough
that the jumper cables will reach, but
do not allow the vehicles to touch.
Avoid fans or any moving parts in the
engine compartment at all times, even
when the vehicles are turned off.
2.
Turn o

ff all electrical devices such as
radios, lights, air conditioning, etc.
Put the vehicles in P (Park) and set the
parking brake. Turn both vehicles OFF.
ONX4080003
3. Connect the jumper cables in
the ex act sequence shown in the
illustration. First connect one jumper
cable to the red, positive (+) jumper
terminal of your vehicle (1).
4.
Connect the other end o

f the jumper
cable to the red, positive (+) battery/
jumper terminal of the assisting
vehicle (2).
5.
Connect the second jumper cable to
the black, nega

tive (-) battery/chassis
ground of the assisting vehicle (3).
6.
Connect the other end o

f the second
jumper cable to the black, negative (-)
chassis ground of your vehicle (4).
Do not allow the jumper cables to
contact anything except the correct
battery or jumper terminals or the
correct ground. Do not lean over the
battery when making connections.

9. Maintenance
Engine compartment ........................................................................\
................9-3
Main tenance services
........................................................................\
............... 9-4
Owner’s responsibility ........................................................................\
........................ 9-4
Owner maint enance precautions........................................................................\
....... 9-4
Owner maintenance ........................................................................\
................. 9-5Owner maintenance schedule ........................................................................\
............9-5
Scheduled maintenance services .....................................................................9 -7Normal Maintenance Schedule ........................................................................\
.......... 9-8
Maint enance under severe usage conditions .......................................................... 9-
11
Explanation of scheduled maintenance items ..............................................9-13
E ngine oil
........................................................................\
.................................. 9-

15
Checking the engine oil level ........................................................................\
............9-15
Checking the engine oil and filt er ........................................................................\
..... 9-
16
Engine coolant/inverter coolant .....................................................................9-17Checking the coolant level ........................................................................\
................. 9-17
Changing coolan t ........................................................................\
............................... 9-
19
Hybrid Starter & Generator (HSG) belt ..........................................................9-20Checking the Hybrid Starter & Generator (HSG) belt .............................................9-20
Brake fluid ........................................................................\
............................... 9-20Checking the brake fluid level ........................................................................\
..........9-20
Washer fluid ........................................................................\
............................. 9-21Checking the washer fluid level ........................................................................\
........9-21
Air cleaner ........................................................................\
............................... 9-22Filter replacement ........................................................................\
..............................9-22
Cabin air filter ........................................................................\
..........................9-23Filter inspection ........................................................................\
.................................. 9-23
Filt er replacement ........................................................................\
.............................. 9-
23
Wiper blades ........................................................................\
...........................9-2 4Blade inspection ........................................................................\
.................................9-2 4
Blade replacement ........................................................................\
............................. 9
-24
Battery ........................................................................\
.....................................9-28Battery capacity label ........................................................................\
........................9-29
Ba ttery recharging ........................................................................\
............................. 9-
29
Reset items
........................................................................\
........................................ 9-

30
Maintenance
9

Maintenance
9-30
• The negative battery cable must
be removed first and installed last
when the battery is disconnected.
Disconnect the battery charger in the
following order:
1.
Turn o

ff the battery charger main
switch.
2.
Unhook the nega

tive clamp from
the negative battery terminal.
3.
Unhook the positiv

e clamp from
the positive battery terminal.
• We recommend that you use
batteries for replacement from an
authorized HYUNDAI dealer.
NOTICE
AGM battery (if equipped)
• Absorbent Glass Matt (AGM)
batteries are maintenance-free
and we recommend that the AGM
battery be serviced by an authorized
HYUNDAI dealer. For charging
your AGM battery, use only fully
automatic battery chargers that
are specially developed for AGM
batteries.
• When replacing the AGM battery,
we recommend that you use parts
for replacement from an authorized
HYUNDAI dealer.
• Do not open or remove the cap on
top of the battery. This may cause
leaks of internal electrolyte that
could result in severe injury.
By jump starting
After a jump start from a good battery,
drive the vehicle for 20-30 minutes
before it is shutoff. The vehicle may
not restart if you shut it off before the
battery had a chance to adequately
recharge. See “Jump Starting” in chapter
9 for more information on jump starting
procedures.
Information
An inappropriately disposed
battery can be harmful to the
environment and human health.
Dispose of the battery according
to your local law(s) or regulation.
Reset items
The following items may need to be reset
after the battery has been discharged or
the battery has been disconnected.
• Auto up/down window (see chapter 5)
• Sunroof (see chapter 5)
• Trip computer (see chapter 5)
• Climate control system (see chapter 5)
• Driver position memory system (see
chapter 5)
• Clock (see chapter 5)
• Infotainment system (see
infotainment system manual)