2018 Hyundai Sonata Plug-in Hybrid start stop button

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Convenient features of your vehicle
3
Lane Keeping AssistSystem (LKAS)Indicator Light(if equipped)
This indicator light illuminates:
[Green] When the system operat-
ing conditions are satisfied.
[White] The system operating con- ditions are not satisfied.
[Yellow] When there is a malfunc- tion with the lane keeping assist
system.
In this case, have your vehicle
inspected by an authorized
HYUNDAI dealer.
For more details, refer to "Lane
Keeping Assist System (LKAS)" in
chapter 5.
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 to
the 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.

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Convenient features of your vehicle
Press START button again
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, have your vehicle
inspected by an authorized Hyundai
dealer.
Press START button with key
This warning message is displayed
when you press the Engine
Start/Stop button while the warning
message, "Key not detected," is dis-
played.
At this time, the immobilizer indicator
light blinks.
Check BRAKE SWITCH fuse
This warning message is displayed if
the brake switch fuse is disconnected.
If this message is displayed, replace
the fuse with a new one before start-
ing the vehicle. If not possible, you
can start the engine by pressing the
Engine Start/Stop button for 10 sec-
onds in the ACC position.
Shift to P to start engine
This warning message is displayed
when you try to start the vehicle with
the shift lever not in P (Park).
Door, Hood, Trunk Open
This warning message is displayed
indicating which door, or the hood, or
the trunk is open.
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Before driving the vehicle, you
should confirm that the door/
hood/trunk is fully closed.
Also, check there is no door/
hood/trunk open warning light
or message displayed on the
instrument cluster.
CAUTION

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Convenient features of your vehicle
Information
Coasting guide is only a supplemental
system to assist with fuel-efficient driv-
ing. Thus, the operating conditions
may be different in accordance with
traffic/road conditions (i.e. driving in a
traffic jam, driving on a slope, driving
on a curve). Thus, take the actual driv-
ing conditions into consideration, such
as distances from the vehicles ahead/
behind, while referring to the coasting
guide system as guidance.
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Press the Engine Start/Stop button and put the shift lever in P(Park). In the
User Settings Mode, select Driving Assist, Coasting Guide, and then On to
turn on the system. Cancel the selection of coasting guide to turn off the sys-
tem. For the explanation of the system, press and hold the [OK] button.

To activate the system, take the following procedures. Enter your destination
information on the navigation and select the driving route. Select the ECO
mode in the Integrated Driving Control System. Then, satisfy the following.
- The driving speed should be between 37 mph (60 km/h) and 99 mph (160 km/h).
❈The operating speed may vary due to difference between instrument clus-
ter and navigation effected by tire inflation level.
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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 fully
charged, 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 hybrid
system.
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.

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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 groundor 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
inaccurate, when the vehicle drives
shorter than 0.19 miles (300 meters)
after turning ON the Engine Start/Stop
button.
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Instant Fuel Economy (3)
This mode displays the instant fueleconomy during the last few sec-
onds when the vehicle speed is
more than 6.2 MPH (10 km/h).
Accumulated Info display
This display shows the accumulated
trip distance (1), the average fuel
economy (2), and the total driving
time (3).
The information is calculated starting
from the last reset.
To manually reset the information,
press and hold the OK button when
viewing the Accumulated driving info. The trip distance, the average fuel
economy, and total driving time will
reset simultaneously.
The accumulated driving information
will continue to be counted while the
engine is still running (for example,
when the vehicle is in traffic or
stopped at a stop light.)
Information
The vehicle must be driven for a min-
imum of 0.19 miles (300 meters) since
the last ignition key cycle before the
average fuel economy will be recalcu-
lated.
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Do not cover or spill anything onthe sensor (1) located in front of
the instrument panel.
Do not clean the sensor using a window cleaner the cleanser may
leave a light film which could
interfere with sensor operation.
If your vehicle has window tint or other types of metallic coat-
ing on the front windshield, the
AUTO light system may not work
properly.
Parking lamp position ( )
The parking lamp, license plate lamp
and instrument panel lamp are turned
ON.
Headlamp position ( )
The headlamp, parking lamp, license
plate lamp and instrument panel lamp
are turned ON.
Information
Engine Start/Stop button is in the ON
position to turn on the headlamp.
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NOTICE
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Convenient features of your vehicle
Battery saver function
The purpose of this feature is to pre-
vent the battery from being dis-
charged. The system automatically
turns off the parking lamp when the
driver turns the engine off and opens
the driver-side door.
With this feature, the parking lamps
will turn off automatically if the driver
parks on the side of road at night.
If necessary, to keep the lamps on
when the engine is turned off, perform
the following:
1) Open the driver-side door.
2) Turn the parking lamps OFF andON again using the light switch on
the steering column.
Headlamp delay function (if equipped)
If engine Start/Stop button is in the
ACC or OFF position with the head-
lamps ON, the headlamps (and/or
parking lamps) remain on for about 5
minutes. However, if the driver’s door
is opened and closed, the headlamps
are turned off after 15 seconds.
However, with the engine off if the dri-
ver’s door is opened and closed, the
headlamps (and/or parking lamps)
are turned off after 15 seconds.
The headlamps (and/or parking
lamps) can be turned off by pressing
the lock button on the smart key
twice or turning the light switch to the
OFF or AUTO position. However, if
you turn the light switch to the AUTO
position when it is dark outside, the
headlamps will not be turned off.
You can activate or deactivate the
Headlamp Delay function from the
User Settings Mode (Light) on the
LCD display.
For more information, refer to the
"LCD Display" section in this
chapter. If the driver gets out of the vehicle
through other doors (except dri-
ver’s door), the battery saver func-
tion does not operate and the
headlamp delay function does not
turn off automatically. Therefore, It
causes the battery to be dis-
charged. In this case, make sure
to turn off the lamp before getting
out of the vehicle.
NOTICE