2019 HYUNDAI SONATA HYBRID battery

3-75
Convenient features of your vehicle
Warning messages
Shift to P
This warning message is displayed
when you attempt to turn OFF the
vehicle without setting the shift lever
in P (Park).
At this time, the Engine Start/Stop
button turns to the ACC position
(When you re-press the Engine
Start/Stop button again, it will turn tothe ON position).
Low key battery
This warning message is displayed
when the Smart Key battery is dis-
charged while turning the Engine
Start/Stop button to the OFF position.
Press brake pedal to start
engine
This warning message is displayed
when the Engine Start/Stop button
changes to the ACC position twice
by repeatedly pressing the button
without depressing the brake pedal.
You can start the vehicle by depress-
ing the brake pedal.
Key not in vehicle
This warning message is displayed
when the Smart Key is not in the
vehicle while pressing the Engine
Start/Stop button.
When attempting to start the vehicle,
always have the smart key with you.
Key not detected
This warning message is displayed
when the Smart Key is not detected
while pressing the Engine Start/Stop
button.
Press START button again
This message is displayed if you
were unable to start the vehicle when
the Engine Start/Stop button waspressed.
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, have your vehicle
inspected by an authorized
HYUNDAI dealer.3

3-80
Convenient features of your vehicle
Check Hybrid system
This warning message is displayed
when there is a problem with the
hybrid control system.
Refrain from driving when the warn-
ing message is displayed.
In this case, have your vehicle
inspected by an authorized HYUNDAI
dealer.
Check Hybrid system.Turn engine off.
This warning 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.
In this case, have your vehicle
inspected by an authorized HYUNDAI
dealer.
Check Hybrid system. Do notstart engine.
This warning message is displayed
when the hybrid battery power
(SOC) level is low. A warning chime
will sound until the problem is solved.
In this case, have your vehicle
inspected by an authorized HYUNDAI
dealer.
Stop vehicle and check powersupply
This warning message is displayed
when a failure occurs in the powersupply system.
In this case, park the vehicle in a
safe location and tow your vehicle to
the nearest authorized HYUNDAI
dealer and have the vehicle inspect-ed.
Park with engine On to charge battery
This warning message is displayed
when the hybrid battery power
(SOC) level is low.
In this case, park the vehicle in a
safe location and wait until the hybrid
battery is charged.
You can increase the hybrid battery
charging rate by holding the acceler-
ator pedal to the floor with transmis-
sion in P. The engine will rev high but
it will be limited for charging purpose
when you hold the pedal to the floor.

3-81
Convenient features of your vehicle
3
Refuel to prevent Hybrid batterydamage
This warning message is displayed
when the fuel tank is nearly empty.
You should refill the fuel tank to pre-
vent hybrid battery damage.
Refill inverter coolant
This warning message is displayed
when the inverter coolant is nearly
empty.
You should refill the inverter coolant.
Stop vehicle and check regen.
brakes
This warning message is displayed
when a failure occurs in the brakesystem.
In this case, park the vehicle in a safe
location and tow your vehicle to the
nearest authorized HYUNDAI dealer
and have the vehicle inspected.
Check regenerative brakes
This warning 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.
In this case, it may take longer for the
brake pedal to operate and the brak-
ing distance may become longer.
Check Virtual Engine SoundSystem
This message is displayed when
there is a problem with the VirtualEngine Sound System (VESS).
In this case, have your vehicle
inspected by an authorized HYUNDAI
dealer.
Coasting guide (if equipped)
A chime will sound and the coasting
guide indicator will blink four times to
inform the driver when to take the
foot off from the accelerator by antic-
ipating a decelerating event* based
on the analysis of driving routes and
road conditions of the navigation. It
encourages the driver to remove foot
from the pedal and allow coasting
down the road with EV motor only.
This helps prevent unnecessary fuelconsumption and increases fuel effi-
ciency.

3-83
Convenient features of your vehicle
3
Information
Coasting guide is only a supplemental
system to assist with fuel-efficient
driving. Thus, the operating condi-
tions may be different in accordance
with traffic/road conditions (i.e. driv-
ing in a traffic jam, driving on a slope,
driving on a curve). Thus, take the
actual driving conditions into consid-
eration, such as distances from the
vehicles ahead/behind, while referring
to the coasting guide system as guid-
ance.
Unplugging vehicle to start (Plug-in hybrid)
The message is displayed when you
start the engine without unplugging
the charging cable. Unplug the
charging cable, and then start the
vehicle.
Remaining time to fully chargethe battery (Plug-in hybrid)
The message is displayed to notifythe remaining time to fully charge the
battery.
2WD Certification Mode (Plug-in hybrid)
The message is displayed when the
2WD vehicle enters the fuel econo-
my certification test mode.
Wait until fuel door opens (Plug-in hybrid)
The message is displayed when youattempt to open the fuel filler door
with the fuel tank pressurized. Wait
until the fuel tank is depressurized.
Information
 It may take up to 20 seconds to open fuel filler door.
 When the fuel filler door is frozen and does not open after 20 seconds
at freezing temperature, slightly tap
the fuel filler door and then attempt
to open it.
Fuel door open
(Plug-in hybrid)
The message is displayed when thefuel filler door opens after the fuel
tank is depressurized. If this mes-
sage is displayed, you can refuel thefuel tank.
Check fuel door(Plug-in hybrid)
The message is displayed when the
vehicle is driven with the fuel filler
door opened. Close the fuel filler
door and then start driving.
Park with engine
On to charge battery (Plug-in hybrid)
The message is displayed when thecharging connector is plugged with
the shift lever in R (Reverse), N
(Neutral) or D (Drive). Move the shift
lever to P (Park) and re-start the
charging process.
i
i

3-84
Convenient features of your vehicle
EV/HEV/CHG modes (Plug-in hybrid)
A corresponding message is dis-
played when a mode is selected by
pressing the HEV button
Battery charged. Maintainingcurrent mode/Low battery.
Maintaining hybrid mode (Plug-in hybrid)
A corresponding message is dis-
played when the high-voltage
(hybrid) battery is fully charged or
nearly discharged.
Charging complete.Switching to Hybrid mode
(Plug-in hybrid)
The message is displayed when the
high-voltage (hybrid) battery is fullycharged, and when the mode is
changed to the HEV mode.
Low/High System Temp. Maintaining Hybrid mode
(Plug-in hybrid)
A corresponding message is dis-
played when the temperature of the
high-voltage (hybrid) battery is too
low or too high. This warning mes-
sage is to protect the battery and the
hybrid system.
Low/High System Temp. Switching to Hybrid mode
(Plug-in hybrid)
A corresponding message is dis-
played when the temperature of the
high-voltage (hybrid) battery is too
low or high. This warning message is
to protect the battery and the hybridsystem.
Switching to Hybrid mode tolubricate engine (Plug-in hybrid)
To prevent damage of the hybrid
lubrication system when the hybrid
system has not been started for a
long time.
- When the hybrid system is ON after 5 weeks of being turned off, the
hybrid system maintenance mode
will operate.
- When the hybrid system mainte- nance mode is operated, HEV
mode will be kept on after the
hybrid system is ON and the above
message will be displayed on the
cluster.
If you press the HEV switch to shift
EV mode during engine mainte-
nance mode, the above message will
appear due to priority of the hybrid
system maintenance mode.
Maintaining Hybrid mode to pro- tect engine (Plug-in hybrid)
The hybrid system will automatically
stop after sufficient heating. (If the
hybrid system is turned OFF without
sufficient heating, the hybrid system
maintenance mode will be operated
once more.

3-92
Convenient features of your vehicle
If the service interval is activated and the time and distance is adjusted,
messages are displayed in the fol-
lowing situations each time the vehi-
cle is turned on.
- Service in: Displayed to inform the driver theremaining mileage and days to
service.
- Service required
: Displayed when the mileage anddays to service has been reachedor passed.
Information
If any of the following conditions
occur, the mileage and number of days
to service may be incorrect.
- The battery cable is disconnected.
- The fuse switch is turned off.
- The battery is discharged. 7. Other Features
Battery Saver+
To activate or deactivate the Aux.
Battery Saver+ function.
When activated, the high voltage bat-
tery is used to keep the 12V batterycharged.
For more information, refer to the
"Hybrid System Overview" provid-
ed in the front of the owner's man-ual.
Fuel Economy Auto Reset
- Off: The average fuel economy will
not reset automatically whenever refueling.
- After Ignition: The average fuel economy will reset automatically
whenever it has passed 4 hours
after turning OFF the engine.
- After recharging: The average fuel economy will reset automaticallywhen refueling.
For more information, refer to
"Trip Computer" in this chapter. Fuel Economy Unit
To select the fuel economy unit. (km/L, L/100, MPG)
Temperature Unit
To select the temperature unit.
(°C,°F)
Tire Pressure Unit
To select the tire pressure unit.
(psi, kPa, bar)
8. Reset
You can reset the menus in the User
Settings Mode. All menus in the User
Settings Mode are initialized, except
language and service interval.
i

3-93
Convenient features of your vehicle
The trip computer is a microcomput-
er-controlled driver information sys-
tem 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
To change the trip mode, toggle the
" , " switch on the steering wheel.
i
TT RR IIPP CC OO MM PPUU TTEERR
3

Fuel Economy

Drive Info


Fuel Economy

Accumulated Info



Fuel Economy
Digital Speedometer
Driving style
OLF047201N
■
■■■TTTTyyyyppppeeee AAAA
■■■■TTTTyyyyppppeeee BBBB

Energy flow

3-94
Convenient features of your vehicle
Fuel economy
Distance To Empty (1)
The distance to empty is the esti-mated distance the vehicle can be
driven with the remaining fuel.
- Distance range: 1 ~ 9999 mi. or 1 ~ 9999 km
If the estimated distance is below 1 mi. (1 km), the trip computer will
display "---" as distance to empty. Information
 If the vehicle is not on level ground or the battery power has been inter-
rupted, the distance to empty func-
tion may not operate correctly.
 The distance to empty may differ from the actual driving distance as
it is an estimate of the available
driving distance.
 The trip computer may not register additional fuel if less than 1.6 gal-
lons (6 liters) of fuel are added to the
vehicle.
 The fuel economy and distance to empty may vary significantly based
on driving conditions, driving habits,
and condition of the vehicle.
Average Fuel Economy (2)
The average fuel economy is calcu-lated by the total driving distance and fuel consumption since the last
average fuel economy reset.
The average fuel economy can be reset both manually and automati-
cally. Manual reset
To clear the average fuel economy
manually, press the
[OK] button on
the steering wheel for more than 1
second when the average fuel econo-
my is displayed.
Automatic reset
To automatically reset the average fuel
economy after refueling, select the
"Auto Reset" mode in User Settings
menu on the LCD display.
- After Ignition: The average fuel econ- omy will reset automatically whenev-
er it has passed 4 hours after turning
OFF the engine.
- After Refueling: The average fuel economy will reset automatically
when driving speed exceeds 1 km/h,after adding 6 liters (1.6 gallons) of
fuel or more.
Information
The average fuel economy may be inac-
curate, when the vehicle drives shorter
than 300 meters (0.19 miles) after turn-
ing ON the Engine Start/Stop button.
i
i
OLF047699L