2018 Hyundai Sonata start stop button

5-10
Driving your vehicle
Engine Stop/Start button positions
Button PositionAction Notice
OFF
To turn off the engine, press the Engine
Start/Stop button with shift lever in P (Park).
When you press the Engine Start/Stop but-
ton without the shift lever in P (Park), the
Engine Start/Stop button does not turn to the
OFF position, but turns to the ACC position.
ACC Press the Engine Start/Stop button when the
button is in the OFF position without depress-
ing the brake pedal.
Electrical accessories are usable. If you leave the Engine Start/Stop button in the
ACC position for more than one hour, the bat-
tery power will turn off automatically to prevent
the battery from discharging.

5-11
Driving your vehicle
5
Button PositionAction Notice
ON
Press the Engine Start/Stop button while it is
in the ACC position without depressing the
brake pedal.
The warning lights can be checked before
the engine is started. Do not leave the Engine Start/Stop button in
the ON position when the engine is not run-
ning to prevent the battery from discharging.
START
To start the engine, depress the brake pedal
and press the Engine Start/Stop button with
the shift lever in the P (Park) or in the N
(Neutral) position.
For your safety, start the engine with the shift
lever in the P (Park) position. If you press the Engine Start/Stop button with-
out depressing the brake pedal, the engine
does not start and the Engine Start/Stop but-
ton changes as follows:
OFF
→ →
ACC →
→
ON →
→
OFF
However, the engine may start if you depress
the brake pedal within 0.5 second after press-
ing the Engine Start/Stop button when it is in
the OFF position.

5-12
Driving your vehicle
Always wear appropriate shoes
when operating your vehicle.
Unsuitable shoes, such as
high heels, ski boots, sandals,
flip-flops, etc., may interfere
with your ability to use the
brake and accelerator pedals.
Do not start the vehicle with the
accelerator pedal depressed.
The vehicle can move and lead
to an accident.
Wait until the engine rpm is
normal. The vehicle may sud-
denly move if the brake pedal
is released when the rpm is
high.
WARNING
Starting the engine Information
• The engine will start by pressing theEngine Start/Stop button, only when
the smart key is in the vehicle.
• Even if the smart key is in the vehi- cle, if it is far away from the driver,
the engine may not start.
• When the Engine Start/Stop button is in the ACC or ON position, if any
door is open, the system checks for
the smart key. If the smart key is not
in the vehicle, the warning, "Key
not in vehicle" will come on and if
all doors are closed, the chime will
also sound for about 5 seconds. The
indicator will turn off while the
vehicle is moving. Keep the smart
key in the vehicle when using the
ACC position or if the vehicle
engine is ON. 1. Always carry the smart key with
you.
2. Make sure the parking brake is applied.
3. Make sure the shift lever is in P (Park).
4. Depress the brake pedal.
5. Press the Engine Start/Stop but- ton.
Information
• Do not wait for the engine to warmup while the vehicle remains station-
ary. Start driving at moderate
engine speeds. (Steep accelerating
and decelerating should be avoided.)
• Always start the vehicle with your foot on the brake pedal. Do not
depress the accelerator while start-
ing the vehicle. Do not race the
engine while warming it up.
i
i

5-13
Driving your vehicle
5
To prevent damage to the vehicle:
If the engine stalls while you arein motion, do not attempt to
move the shift lever to the P
(Park) position.
If traffic and road conditions
permit, you may put the shift
lever in the N (Neutral) position
while the vehicle is still moving
and press the Engine Start/Stop
button in an attempt to restart
the engine.
Do not push or tow your vehicle to start the engine. To prevent damage to the vehicle:
When the stop lamp fuse is blown,
you can't start the engine normal-
ly. Replace the fuse with a new
one. If you are not able to replace
the fuse, you can start the engine
by pressing and holding the
Engine Start/Stop button for 10 sec-
onds with the Engine Start/Stop
button in the ACC position.
Do not press the Engine Start/Stop
button for more than 10 seconds
except when the stop
lamp fuse is
blown.
For your safety always depress
the brake pedal before starting the
engine.
Information
If the smart key battery is weak or the
smart key does not work correctly,
you can start the engine by pressing
the Engine Start/Stop button with the
smart key in the direction of the pic-
ture above.
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NOTICENOTICE
OLF057009

5-32
Driving your vehicle
Releasing the parking brake
To release the EPB (Electronic
Parking Brake), press the EPB
switch in the following condition:
Place the Engine Start/Stop buttonin the ON position.
Depress the brake pedal.
Make sure the Parking Brake
Warning Light goes off.
To release EPB (Electronic Parking
Brake) automatically:
Shift lever in P (Park) With the engine running depress
the brake pedal and shift out of P
(Park) to R (Reverse) or D (Drive).
Shift lever in N (Neutral) With the engine running depress
the brake pedal and shift out of N
(Neutral) to R (Reverse) or D
(Drive).
Satisfy the following conditions 1. Start the engine.
2. Fasten the driver’s seat belt.
3. Close the driver’s door, engine hood and trunk.
4. Depress the accelerator pedal while the shift lever is in D
(Drive) or Manual shift mode. The Parking Brake Warning Light
should be turned off when the EPB is
released.
If the Parking Brake Warning Light is
still on even though the EPB has
been released, have your vehicle
checked by an authorized HYUNDAI
dealer.
Information
• For your safety, you can engage the
EPB even though the Engine Stop/
Start button is in the OFF position,
but you cannot release it.
• For your safety, depress the brake pedal and release the parking brake
manually with the EPB switch when
you drive downhill or when backing
up the vehicle.
i
OLF057017N

5-34
Driving your vehicle
Warning messages
Do not apply the acceleratorpedal while the parking brake is
engaged. If you depress the
accelerator pedal with the EPB
engaged, a warning will sound
and a message will appear.
Damage to the parking brake
may occur.
Driving with the parking brake on can overheat the braking sys-
tem and cause premature wear
or damage to brake parts. Make
sure the EPB is released and the
Parking Brake Warning Light is
off before driving.
Information
• A clicking/whine sound may beheard while operating or releasing
the EPB. These conditions are nor-
mal and indicate that the EPB is
functioning properly.
• When leaving your keys with a parking lot attendant or valet, make
sure to inform him/her how to oper-
ate the EPB.
iNOTICE
Whenever leaving the vehicle
or parking, always come to a
complete stop and continue
to depress the brake pedal.
Move the shift lever into the P
(Park) position, press the EPB
switch, and press the Engine
Start/Stop button to the OFF
position. Take the Smart Key
with you when exiting the
vehicle.
Vehicles not fully engaged in
P (Park) with the parking
brake set are at risk for mov-
ing inadvertently and causing
injury to yourself or others.
NEVER allow anyone who is
unfamiliar with the vehicle to
touch the EPB switch. If the
EPB is released unintentional-
ly, serious injury may occur.
Only release the EPB when
you are seated inside the
vehicle with your foot firmly
on the brake pedal.
WARNING

5-35
Driving your vehicle
5
AUTO HOLD turning off!
Press brake pedal
When the conversion from Auto Hold
to EPB is not working properly a
warning will sound and a message
will appear.
Parking brake automatically
engaged
If the EPB is applied while Auto Hold
is activated, a warning will sound and
a message will appear.
EPB malfunction indicator (if equipped)
If the EPB Malfunction Indicator
remains on, comes on while driving,
or does not come on when the
Engine Start/Stop button is in the ON
position, this indicates the EPB may
have malfunctioned. Have your vehi-
cle checked by an authorized
HYUNDAI dealer as soon as possi-
ble.
The EPB Malfunction Indicator may
illuminate when the ESC indicator
comes on to indicate that the ESC is
not working properly, but it does not
indicate a malfunction of the EPB.
OLF057128LOLF057587L
OLF057022

5-62
Driving your vehicle
To temporarily accelerate withthe Smart Cruise Control on
If you want to speed up temporarily
when the Smart Cruise Control is on,
depress the accelerator pedal.
Increased speed will not interfere
with Smart Cruise Control operation
or change the set speed.
To return to the set speed, take your
foot off the accelerator.
If you push the toggle switch down
(SET-) at increased speed, the cruis-
ing speed will be set again.
Smart Cruise Control will betemporarily canceled when:
Canceled manually
Depressing the brake pedal.
Pressing the CANCEL button
located on the steering wheel.
The Smart Cruise Control turns off
temporarily when the indicator on the
LCD display turns off.
The CRUISE indicator is illuminated
continuously. Canceled automatically
The driver's door is opened.
The shift toggle switch is shifted to N
(Neutral), R (Reverse) or P (Park).
The EPB (Electronic Parking Brake) is applied.
The vehicle speed is over 120 mph (190 km/h)
The ESC (Electronic Stability Control), TCS (Traction Control
System) or ABS is operating.
The ESC is turned off.
The AEB (Automatic Emergency Btaking) system is operating.
The radar or the cover is dirty or blocked with foreign matter.
The engine speed is over 7000 rpm.
The SCC system has malfunctioned.
When the vehicle is stopped for more than 5 minutes.
The driver starts driving by pushing the toggle switch up (RES+) or
down (SET-) or depressing the
accelerator pedal, approximately 3
seconds after the vehicle is
stopped by the Smart Cruise
Control System with no other vehi-
cle ahead.
OLF057044
Be careful when accelerating
temporarily, because the speed
is not controlled automatically
at this time even if there is a
vehicle in front of you.
CAUTION