check engine HYUNDAI SANTA FE 2021 User Guide
Page 122 of 636
Instrument cluster
4-24
Press START button with key  
(for smart key system) 
This message is displayed if you press 
the Engine Start/Stop button while the 
warning message “Key not detected” is 
displayed.
At this time, the immobilizer indicator 
light blinks.
Check BRAKE SWITCH fuse  
(for smart key system) 
This message is displayed if the brake 
switch fuse is disconnected.
You need to replace the fuse with a new 
one before starting the engine.
If that is not possible, you can start the 
engine by pressing the Engine Start/
Stop button for 10 seconds in the ACC 
position.
Shift to P or N to start engine  
(for smart key system) 
This message is displayed if you try to 
start the engine in any other position 
except P (Park) or N (Neutral).
 Information
You can start the engine with the gear 
in N (Neutral). But, for your safety, we 
recommend that you start the engine with 
the gear shifted to P (Park).
Battery discharging due to external 
electrical devices (if equipped)
This message is displayed if the 12V 
battery voltage is weak due to any 
non-factory electrical accessories (ex. 
dashboard camera) while parking. Be 
careful that the battery is not discharged.
If the message appears after removing 
the non-factory electrical accessories, 
have the vehicle inspected by an 
authorized HYUNDAI dealer.    
Page 123 of 636
04
4-25
Door, Hood, Liftgate open indicator
OTM040032
This warning is displayed if any door or 
hood or liftgate is left open. The warning 
will indicate which door is open in the 
display.
 CAUTION
Before driving the vehicle, you should 
confirm that the door/ hood/liftgate is 
fully closed.
Also, check there is no door/hood/
liftgate open warning light or message 
displayed on the instrument cluster.
Sunroof open indicator (if equipped)
OTM040034
This warning is displayed if you turn off 
the engine when the sunroof is open.
Close the sunroof securely before leaving 
your vehicle.
Low tire pressure
OTM040022L
This warning message is displayed if the 
tire pressure is low. The corresponding 
tire on the vehicle will be illuminated.
For more details, refer to “Tire Pressure 
Monitoring System (TPMS)” section in 
chapter 8.   
Page 124 of 636
Instrument cluster
4-26
Lights
„„Type A„„Type B
OJX1049007LOJX1049062L
This indicator displays which exterior 
light is selected using the lighting 
control.
You can activate or deactivate Wiper/
Lights display function from the User 
Settings menu in the cluster LCD display. 
Select:
 -Setup	→	U
ser
	se
 ttings
	→	Clus
 ter
	→	Wiper/Lights displa
y
Wiper
„„Type A „„Type B
OJX1049008LOJX1049063L
This indicator displays which wiper speed 
is selected using the wiper control.
You can activate or deactivate Wiper/
Lights display function from the User 
Settings menu in the cluster LCD display.
Select:
 -Setup	→	U
ser
	se
 ttings
	→	Clus
 ter
	→	Wiper/Lights displa
y
Low washer fluid
This message is displayed if the washer 
fluid level in the reservoir is nearly empty.
Have the washer fluid reservoir refilled.
Low fuel
This message is displayed if the fuel tank 
is almost out of fuel.
When this message is displayed, the low 
fuel level warning light in the cluster will 
come on.
It is recommended to look for the nearest 
fueling station and refuel as soon as 
possible.
Low engine oil (if equipped)
This warning message is displayed when 
the engine oil level should be checked.
If this warning message is displayed, 
check the engine oil level as soon as 
possible and add engine oil as required.
Slowly pour the recommended oil little 
by little into a funnel.
Use only the specified engine oil. (Refer 
to "Recommended Lubricants and 
Capacities“ section in chapter 2.)
Do not overfill the engine oil. Make sure 
the oil level is not above F (Full) mark on 
the dipstick.    
Page 125 of 636
04
4-27
Engine overheated / Engine has 
overheated (if equipped)
This message is displayed when the 
engine coolant temperature is above 
248°F (120°C). This means that the 
engine is overheated and may be 
damaged.
If your vehicle is overheated, refer to 
“Overheating” section in chapter 8.
Check exhaust system (if equipped)
This message is displayed if there is a 
problem with the GPF system. At this 
time, the GPF warning light will also 
blink. If this occurs, we recommend that 
you have the GPF system checked by an 
authorized HYUNDAI dealer.
GPF : Gasoline Particulate Filter
Check headlight (if equipped)
This warning message is displayed if the 
headlamps are not operating properly.
In addition, if a specific  lamp(turn signal 
lamp etc.) is not operating properly, the 
warning message according to a specific 
lamp (turn signal lamp etc.) is displayed.
A corresponding bulb may need to be 
replaced.
Make sure to replace the burned out 
bulb with a new one of the same wattage 
rating.
Check turn signal (if equipped)
This message is displayed if the turn 
signal lamps are not operating properly. 
A lamp may need to be replaced.
Make sure to replace the burned out 
bulb with a new one of the same wattage 
rating.
Check headlamp LED (if equipped)
This message is displayed if there is a 
problem with the LED headlamp. We 
recommend that you have the vehicle 
inspected by an authorized HYUNDAI 
dealer.   
Page 136 of 636
Instrument cluster
4-38
5. Door
ItemsExplanation
Automatically 
Lock
•	Enable on Shift : All doors will be automatically locked if the shift button 
is shifted from the P (Park) position to the R (Reverse), N (Neutral), or D 
(Drive) position. (only when the engine is running.)
•	 Enable on Speed : All doors will be automatically locked when the vehicle 
speed exceeds 9.3mph (15km/h).
•	 Off : The auto door lock operation will be deactivated.
Automatically 
Unlock
•	On Shift to P: All doors will be automatically unlocked if the shift button is 
shifted to the P (Park) position. (only when the engine is running.)
•	 On key out/On vehicle off : All doors will be automatically unlocked when 
the ignition key is removed from the ignition switch or the Engine Start/
Stop button is set to the OFF position.
•	 Off : The auto door unlock operation will be canceled.
Power 
LiftgateIf this item is checked, the power liftgate function will be activated.
For more details, refer to "Power liftgate" in chapter 5.
Power 
Liftgate 
Opening  SpeedTo adjust the power liftgate speed.
•	 Fast/Normal
For more details, refer to "Power liftgate" in chapter 5.
Smart 
LiftgateTo activate or deactivate the smart liftgate.
For more details, refer to "Smart liftgate" in chapter 5.
6. Convenience
Items Explanation
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 side view mirrors are unfolded and the welcome 
light turns on automatically when the doors are unlocked.
•	 On driver approach : The side view 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."   
Page 139 of 636
04
4-41
•	Manual reset 
To clear the average fuel economy 
manually, press the OK switch on the 
steering wheel for more than 1 second 
when the Average Fuel Economy is 
displayed. 
•	 Automatic reset 
To automatically reset the average 
fuel economy, select between ‘After 
Ignition’ or ‘After Refueling’ from 
the Settings menu in the instrument 
cluster.
 - Aft
er Ignition: When the engine has 
been OFF for 3 minutes or longer 
the average fuel economy will reset 
automatically.
 - Aft
er Refueling: The average fuel 
economy will reset automatically 
after adding 6 liters (1.6 gallons) of 
fuel or more and after driving speed 
exceeds 1 mph (1 km/h).
 Ã For 12.3-inch ins
trument cluster, you 
can check the fuel economy in the 
center bottom of the cluster.„„Type A „„Type B
OTMA040004OTMA040005
Drive info
Trip distance (1), average fuel economy 
(2), and instant fuel economy (3) are 
displayed.
The information is combined for each 
ignition cycle. However, when the engine 
has been OFF for 3 minutes or longer the 
Drive Info screen will reset.
To reset manually, press the OK switch 
on the steering wheel for more than 1 
second when ‘Drive Info’ is displayed. 
„„Type A„„Type B
OTMA040006OTMA040007
Since refuel(l)ing
Trip distance (1), average fuel economy 
(2), and instant fuel economy (3) after the 
vehicle has been refueled are displayed.
To reset manually, press the OK switch 
on the steering wheel for more than 
1 second when ‘Since Refueling’ is 
displayed.   
Page 142 of 636
Instrument cluster
4-44
•	Manual reset 
To clear the average fuel economy 
manually, press the OK switch on the 
steering wheel for more than 1 second 
when the Average Fuel Economy is 
displayed. 
•	 Automatic reset 
To automatically reset the average 
fuel economy, select between ‘After 
Ignition’ or ‘After Refueling’ from 
the Settings menu in the instrument 
cluster.
 - Aft
er Ignition: When the engine has 
been OFF for 3 minutes or longer 
the average fuel economy will reset 
automatically.
 - Aft
er Refueling: The average fuel 
economy will reset automatically 
after adding 6 liters (1.6 gallons) of 
fuel or more and after driving speed 
exceeds 1 mph (1 km/h).
 Ã For 12.3-inch ins
trument cluster, you 
can check the fuel economy in the 
center bottom of the cluster.„„Type A „„Type B
OTMA040012OTMA040013
Drive info
Trip distance (1), average fuel economy 
(2), and total driving time (3) are 
displayed.
The information is combined for each 
ignition cycle. However, when the engine 
has been OFF for 3 minutes or longer the 
Drive Info screen will reset.
To reset manually, press the OK switch 
on the steering wheel for more than 1 
second when ‘Drive Info’ is displayed. 
„„Type A„„Type B
OTMA040014OTMA040015
Since refuel(l)ing
Trip distance (1), average fuel economy 
(2), and total driving time (3) after the 
vehicle has been refueled are displayed.
To reset manually, press the OK switch 
on the steering wheel for more than 
1 second when ‘Since Refueling’ is 
displayed.    
Page 149 of 636
05
5-5
Remote key (if equipped)
OPD046001
Your HYUNDAI uses a remote key, which 
you can use to lock or unlock the driver 
and passenger doors or the liftgate.
1.
 Door Lock
2.
 Door Unlock
3.
 Liftga
te Open
4.
 Panic
Locking
To lock :
1.
 Close all doors, engine hood and 
lift
gate.
2.
 Press the Door L
ock button (1) on the 
remote key.
3.
 The doors will lock. The hazar
d 
warning lights will blink. Also, the side 
view mirror will fold, if ‘Convenience 
→
	W
elcome
	mirr
 or/light
	→	On	door	unlock’ is selected fr
om the User 
Settings mode on the LCD display. For 
more details, refer to “LCD Display” 
in chapter 4.
4.
 Make sur
e the doors are locked by 
checking the position of the door lock 
button inside the vehicle.
 WARNING
Do not leave the keys in your 
vehicle with unsupervised children. 
Unattended children could place the 
key in the ignition switch and may 
operate power windows or other 
controls, or even make the vehicle 
move, which could result in serious 
injury or death.
Unlocking
To unlock:
1.
 Press the Door Unlock butt
on (2) on 
the remote key.
2.
 The doors will unlock. The hazar
d 
warning lights will blink two times. 
Also, the side view mirror will unfold, 
if
	‘Con
venience
	→	W
 elcome
	mirr
 or/
light
	→	On	door	unlock’	is	select
ed
	from the U
ser Settings mode on the 
LCD display. For more details, refer to 
“LCD Display” in chapter 4.
 Information
After unlocking the doors, the doors will 
lock automatically after 30 seconds unless 
a door is opened.
Panic alarm
The horn sounds and the hazard warning 
lights blink for about 30 seconds if this 
button is pressed for more than 0.5 
seconds. To stop the horn and lights, 
press any button on the transmitter.
ACCESSING Y OUR VEHICLE   
Page 153 of 636
05
5-9
Locking your vehicle (Button type)
OTM048000
To lock :
1.
 Close all doors, engine hood and 
lift
gate.
2.
 Carry the smart ke
y.
3.
 Either press the door handle butt
on or 
press the Door Lock button (1) on the 
smart key.
4.
 The hazard w
arning lights will blink. 
Also, the side view mirror will fold, 
if
	‘Con
venience
	→	W
 elcome
	mirr
 or/
light
	→	On	door	unlock	or	On	driv
er
	approach
’ is selected from the User 
Settings mode on the LCD display. For 
more details, refer to “LCD Display” 
in chapter 4.
5.
 Make sur
e the doors are locked by 
checking the position of the door lock 
button inside the vehicle.
Locking your vehicle (Touch sensor 
type)
OTMA050001
1. Close all of the door s, the hood and 
the liftgate.
2.
 Make sur
e you have the smart key in 
your possession and touch either the 
touch sensor on the door handle (the 
engraved part) or press the Door Lock 
button (1) on the smart key within 1 
second.
3.
 The doors, hood and trunk ar
e locked.
The chime will sound once and the 
hazard warning lights will blink.
•	 The door handle button will only 
operate when the smart key is within 
28~40 inches (0.7~1 m) from the 
outside door handle.
•	 Make sure the doors are locked by 
pulling the door handle.
•	 If you locked the door with the touch 
sensor on the door handle, the doors 
cannot be unlocked with the sensor 
within 3 seconds.   
Page 165 of 636
05
5-21
Remote Start with Digital Key
•	When the shift button of your vehicle 
is in P (Park) and all of the doors 
including trunk and hood is locked 
and the vehicle is off, press the Door 
Lock button in the Hyundai Digital 
Key app then press the Remote Start 
button within 4 seconds.  
You can confirm the engine is on if the 
hazard warning lights blinks two times 
and the chime sounds. 
•	 If you want to turn off the engine, 
press Remote Engine Stop. Air 
Conditioner / Heating system 
maintains the same status as when 
you last used the vehicle.
•	 Unless you put the registered digital 
key(smartphone) on the interior 
authentication pad (wireless charger) 
when the remote start function is on, 
the engine will turn off.
•	 If you do not get on the vehicle within 
10 minutes after the engine turns on, 
the vehicle will turn off.
For more information, refer to the Engine 
Start/Stop button in chapter 6.
Vehicle information Display
The digital key application displays 
the vehicle information such as 
driving or door conditions through the 
communication with the vehicle.
•	 How to check : Select the vehicle 
what you want to check and touch 
the vehicle image, then vehicle 
information display page will be 
shown.
•	 Contents : accumulated odometer, 
latest fuel economy, driving range, 
fuel remaining, tire pressure, doors 
lock/unlock status and last data 
updated time.
 ÃDisplay
ed vehicle date could be 
differed from the current vehicle 
condition.
 Ã For mor
e information, please refer to 
the ‘Tutorial’ on your Digital key app. 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.