2021 HYUNDAI TUCSON HYBRID battery

Instrument cluster
4-22
SPORT Mode indicator light
This indicator light illuminates
When you select "SPORT" mode as drive
mode.
For more details, refer to "Drive Mode
Integrated Control System" in chapter
6.
SMART Mode indicator light
This indicator light illuminates:
When you select ''SMART" mode as drive
mode.
For more details, refer to "Drive Mode
Integrated Control System'' in chapter
6.
LCD display messages
Shift to P (if equipped)
This message is displayed if you try to
turn off the vehicle without the shift
button in the P (Park) position.
If this occurs, the Engine Start/Stop
button turns to the ACC position.
Low key battery (if equipped)
When the Engine Start/Stop button
is pressed to turn OFF the engine,
this message may be displayed. This
message indicates that the internal
battery of the Smart Key is low. Consider
replacing the Smart Key internal battery.
Press START button while turning
wheel (if equipped)
This message is displayed if the steering
wheel does not unlock normally when
the Engine Start/Stop button is pressed.
You should press the Engine Start/Stop
button while turning the steering wheel
right and left.
Check steering wheel lock system (if
equipped)
This message is displayed if the steering
wheel does not lock normally while the
Engine Start/Stop button is pressed to
the OFF position.

04
4-23
Press brake pedal to start engine (if
equipped)
This message is displayed if the Engine
Start/Stop button changes to the ACC
position twice by pressing the button
repeatedly without depressing the brake
pedal.
You can start the vehicle by depressing
the brake pedal and then pressing the
Engine Start/Stop button.
Key not in vehicle (if equipped)
This message is displayed if the smart
key is not in the vehicle when you press
the Engine Start/ Stop button.
When attempting to start the vehicle,
always have the smart key with you.
Key not detected (if equipped)
This message is displayed if the smart
key is not detected when you press the
Engine Start/Stop button.
Press START button again (if
equipped)
This message is displayed if you were
unable to start the vehicle when the
Engine Start/Stop button was pressed.
If this occurs, attempt to start the engine
by pressing the Engine Start/ Stop button
again.
If the warning message appears each
time you press the Engine Start/Stop
button, we recommend that you have
the vehicle inspected by an authorized
HYUNDAI dealer.
Press START button with key (if
equipped)
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 (if
equipped)
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.
12V battery discharging due to
additional 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,
we recommend that you have the vehicle
inspected by an authorized HYUNDAI
dealer.

04
4-25
Wiper/Lights display
„„Wiper„„Lights
OJX1049008LOJX1049007L
• This indicator displays which wiper
speed is selected using the wiper
control.
• 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.
- Setup → User settings → Cluster →
Wiper/Lights display
Low washer fluid (if equipped)
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.
NOTICE
Do not drive the vehicle with low fuel.
Hybrid battery damage may occur
when the fuel tank is completely empty.
Engine has overheated
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 message is displayed if the
headlights are not operating properly. A
headlight 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 brake light (if equipped)
This message is displayed if the stop
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.

Instrument cluster
4-26
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.
Ready to start driving
This message is displayed when the
vehicle is ready to be driven.
Check regenerative brakes
This message is displayed when the brake
performance is low or the regenerative
brake does not work properly due to a
failure in the brake system.
If this occurs, it may take longer for the
brake pedal to operate and the braking
distance may become longer.
Stop vehicle and check brakes
This message is displayed when a failure
occurs in the brake system.
If this occurs, park the vehicle in a
safe location and we recommend that
you tow your vehicle to the nearest
authorized HYUNDAI dealer and have the
vehicle inspected.
Check Hybrid system
This message is displayed when there
is a problem with the hybrid system.
Refrain from driving when the warning
message is displayed.
If this occurs, we recommend that
you have the vehicle inspected by an
authorized HYUNDAI dealer.
Stop safely and check Hybrid system
This message is displayed when there is
a problem with the hybrid system. The
“
” indicator will blink and a warning
chime will sound until the problem is
solved. Refrain from driving when the
warning message is displayed.
If this occurs, we recommend that
you have the vehicle inspected by an
authorized HYUNDAI dealer.
Check Hybrid system. Do not start
engine
This message is displayed when the
hybrid battery power (SOC) level is low.
A warning chime will sound until the
problem is solved. Refrain from driving
when the warning message is displayed.
If this occurs, we recommend that
you have the vehicle inspected by an
authorized HYUNDAI dealer.

04
4-27
Stop safely and check power supply
This message is displayed when a failure
occurs in the power supply system.
If this occurs, park the vehicle in a safe
location and tow your vehicle to the
nearest authorized HYUNDAI dealer and
have the vehicle inspected.
Check virtual engine sound system
This message is displayed when there is
a problem with the Virtual Engine Sound
System (VESS).
If this occurs, we recommend that
you have the vehicle inspected by an
authorized HYUNDAI dealer.
Refuel to prevent Hybrid battery
damage
This message is displayed when the fuel
tank is nearly empty.
You should refill the fuel tank to prevent
hybrid battery damage.
Refill inverter coolant
This message is displayed when the
inverter coolant is nearly empty.
You should refill the inverter coolant.
Park with engine On to charge
battery
This message is displayed when the
hybrid battery power (SOC) level is low.
If this occurs, park the vehicle in a safe
location and wait until the hybrid battery
is charged.
Start engine to avoid battery
discharge
This message is displayed to inform the
driver the 12V battery may be discharged
if the ignition switch is in ON position
(without the
indicator ON).
Set the vehicle to the ready () mode
to prevent the 12V battery from being
discharged.

04
4-39
6. ECO vehicle
ItemsExplanation
Utility Mode To activate or deactivate the Utility Mode.
* Utility Mode: This is a mode for using electricity from high voltage battery. (not possible to drive) It's useful while
camping, etc.
Green Zone EV Drive To activate or deactivate the Green Zone EV Drive.
* Green Zone EV Drive : When user select "Green Zone Drive", vehicle drives with EV mode as much as possible for protect
atmospheric environment. (based on map info - School
zone, park, indoor parking lots, etc.)
Coasting Guide
• Enable Coasting Guide : On/Off
To inform driver when taking foot off from accelerator pedal
by getting information from Navigation system.
• Sound
To adjust the sound of coasting guide.
Start Coasting
• Early/Normal/Late
To select options when Coasting Pop-up is displayed.
Eco Coasting To activate or deactivate the Eco Coasting.
7. Units
Items
Explanation
Speed UnitTo select the speed unit. (km/h, MPH)
Temperature
UnitTo select the temperature unit. (°C,°F)
Fuel
Economy Unit To select the fuel economy unit. (km/L, L/100km, MPG)
Tire Pressure Unit To select the tire pressure unit. (psi, kPa, bar)
8. Reset
Ã
The information provided may differ depending on which functions are applicable
to your vehicle.

Instrument cluster
4-40
Trip computer (4.2-inch)
The trip computer is a microcomputer-
controlled driver information system that
displays information related to driving.
Information
Some driving information stored in the
trip computer (for example Average
Vehicle Speed) resets if the battery is
disconnected.
Trip modes
Since refueling
• Trip distance
• Average Fuel Economy
• Instant Fuel Economy
Drive Info
• Trip distance
• Average Fuel Economy
• Instant Fuel Economy
Accumulated Info
• Trip distance
• Average Fuel Economy
• Instant Fuel Economy
Energy flow
Digital Speedometer
OCN7050079
To change the trip mode, toggle the
", " switch on the steering wheel
• 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.
- After Ignition: When the engine has
been OFF for 3 minutes or longer
the average fuel economy will reset
automatically.
-After 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).

04
4-43
Trip computer (10.25-inch)
The trip computer is a microcomputer-
controlled driver information system that
displays information related to driving.
Information
Some driving information stored in the
trip computer (for example Average
Vehicle Speed) resets if the battery is
disconnected.
Trip modes
• Trip distance
•
Av
erage Fuel Economy
•
Instan

t Fuel Economy
Accumulated Info
• Trip distance
•
Av
erage Fuel Economy
•
Instan

t Fuel Economy
Since refuelling
Energy flow
Digital speedometer
• Trip distance
•
Av
erage Fuel Economy
•
Instan

t Fuel Economy
Drive Info
OCN7050079
To change the trip mode, toggle the
", " switch on the steering wheel
• 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.
-After Ignition: When the engine has
been OFF for 3 minutes or longer
the average fuel economy will reset
automatically.
-After 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).
à For 10.25-inch instrument cluster, you
can check the fuel economy in the
center bottom of the cluster.