2020 HYUNDAI SONATA HYBRID trunk release

While Driving
6-20
Releasing the parking brake
ODN8069013
To release the EPB (Electronic Parking
Brake):
• Place the ignition switch in the ON
position.
• Depress and hold the brake pedal.
• Press the EPB switch.
Make sure the Parking Brake Warning
Light goes off. To release EPB (Electronic Parking Brake)
automatically:
•
Shift button in P (Park)
With the vehicle in the ready (
)
mode, depress the brake pedal and
shift out of P (Park) to R (Reverse) or
D (Drive).
• Shift button in N (Neutral)
With the vehicle in the ready (
)
mode, depress the brake pedal and
shift out of N (Neutral) to R (Reverse)
or D (Drive).
• Satisfy the following conditions
1. Ensure seat belts are fastened and the
doors, hood and trunk are closed.
2. With the vehicle in the ready ()
mode, depress the brake pedal and
shift out of P (Park) to R (Reverse), D
(Drive) or Manual shift mode.
3. Depress the accelerator pedal.
Make sure the parking brake warning
light goes off.
EPB (Electronic Parking Brake) may be
automatically applied when:
• Requested by other systems
• The driver turns the engine off while
Auto Hold is operating.
• The vehicle is parked on the slope and
the Engine Start/Stop button is in the
OFF position.
• The Engine is turned off when the
driver tries to park but the vehicle still
moves a bit.

06
6-21
Warning messages
OAEE056115L
To release EPB, fasten seatbelt, close
door, hood and trunk
• If you try to drive with the EPB
applied, a warning will sound and a
message will appear.
• If the driver's seat belt is unfastened
and the engine hood or trunk is
opened, a warning will sound and a
message will appear.
• If there is a problem with the vehicle,
a warning may sound and a message
may appear.
If the situation occurs, depress the brake
pedal and release EPB by pressing the
EPB switch.
WARNING
• Whenever leaving the vehicle or
parking, always come to a complete
stop and continue to depress the
brake pedal.
Shift the gear into the P (Park)
position, press the EPB switch, and
set the ignition switch to the OFF
position. Take the Key with you when
exiting the vehicle.
Vehicles not fully engaged in P (Park)
with the parking brake set are at risk
for moving 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
unintentionally, serious injury may
occur.
• Only release the EPB when you are
seated inside the vehicle with your
foot firmly on the brake pedal.
NOTICE
• Do not apply the accelerator pedal
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 system 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.

06
6-25
To cancel :
• CLUSTER• CLUSTER
ODN8069017
1. Depress the brake pedal.
2. Press the [AUTO HOLD] switch.
The AUTO HOLD indicator will turn off.
Information
• The Auto Hold does not operate when:
-The driver's door is opened
-The engine hood is opened
-The gear is in P (Park)
-The EPB is applied
• For your safety, the Auto Hold
automatically switches to EPB when:
-The driver's door is opened with the
gear in D (Drive) or N (Neutral)
-The trunk is opened with the gear in
R (Reverse)
-The engine hood is opened with the
gear in D (Drive) or N (Neutral)
-The vehicle stops for more than 10
minutes
-The vehicle stands on a steep slope
-The vehicle moves several times
In these cases, the parking brake
warning light comes on, the AUTO
HOLD indicator changes from green
to white, and a warning sound and a
message will appear to inform you that
EPB has been automatically engaged.
Before driving off again, press foot
brake pedal, check the surrounding
area near your vehicle and release
parking brake manually with the EPB
switch.
• While operating Auto Hold, you may
hear mechanical noise. However, it is
normal operating noise.
NOTICE
If the AUTO HOLD indicator changes
to yellow, the Auto Hold is not working
properly. Contact an authorized
HYUNDAI dealer.
WARNING
• Depress the accelerator pedal slowly
when you start the vehicle.
• For your safety, cancel the Auto Hold
when you drive downhill, back up the
vehicle or park the vehicle.
NOTICE
If there is a malfunction with the
driver's door or engine hood open
detection system, the Auto Hold may
not work properly.
Contact an authorized HYUNDAI dealer.

Index
I-6
E
Electric Power Steering (EPS)
........................................................................\
....5-38
Electronic Stability Control (ESC)
.....................................................................6-28
Emergency towing
........................................................................\
......................7-28
Emergency trunk safety release
........................................................................\
..5-64
Emission control system
........................................................................\
.............8-57
Crankcase emission control system
...............................................................8-57
Evaporative emission control System
............................................................8-57
Exhaust emission control system
...................................................................8-58
Energy flow
........................................................................\
.................................1-20
Engine only propulsion
........................................................................\
..........1-20
EV propulsion
........................................................................\
........................1-20
Power assist
........................................................................\
.............................1-20
Vehicle stop
........................................................................\
............................1-20
Engine brake ........................................................................\
............................ 1-21
Engine generation ........................................................................\
.................... 1-21
Power reserve
........................................................................\
..........................1-21
Regeneration
........................................................................\
..........................1-21
Engine brake/regeneration
........................................................................\
.....1-22
Engine generation/motor drive
........................................................................\
1-22
Engine generation/regeneration
.....................................................................1-22
Start engine to avoid battery discharge
..........................................................1-22
Engine compartment
........................................................................\
.....................2-6
Engine compartment panel fuse replacement
.....................................................8-40
Engine coolant
........................................................................\
............................8-17
Engine number
........................................................................\
............................2-14
Engine oil
........................................................................\
....................................8-15
Engine specification ........................................................................\
....................... 2-7
Engine Start/Stop button
........................................................................\
................6-6
Event Data Recorder (EDR)
........................................................................\
..........1-8
Explanation of scheduled maintenance items
.....................................................8-13

I
I -7
Exterior features........................................................................\
........................... 5-62
Hood
........................................................................\
.......................................5-62
Trunk
........................................................................\
......................................5-63
Emergency trunk safety release ....................................................................... 5-64
Fuel Filler Door
........................................................................\
......................5-68
Exterior overview
........................................................................\
..........................2-2
Front view
........................................................................\
................................2-2
Rear view
........................................................................\
.................................2-3
F
Flat tire
........................................................................\
........................................7-14
Changing spare tire
........................................................................\
.....................7-15
Floor mat anchor(s) ........................................................................\
.................... 5-125
Fluid
........................................................................\
...................................................-
Brake fluid
........................................................................\
..............................8-20
Washer fluid
........................................................................\
...........................8-21
Forward Collision-Avoidance Assist (FCA)
.......................................................6-38
Junction Turning ........................................................................\
...................... 6-53
Forward/Reverse Parking Distance Warning (PDW)
.........................................5-91
Front seat adjustment
........................................................................\
....................3-5
Manual adjustment
........................................................................\
...................3-5
Power adjustment
........................................................................\
.....................3-7
Reclining seatback
........................................................................\
...................3-8
Front seat head restraints
........................................................................\
.............3-12
Adjusting the height up and down
.................................................................3-12
Removal/Reinstallation
........................................................................\
..........3-13
Fuel Filler Door
........................................................................\
..........................5-69
Fuel gauge
........................................................................\
.....................................4-4
Fuel requirements
........................................................................\
..........................1-5
Fuel additives
........................................................................\
...........................1-6
Fuses
........................................................................\
...........................................8-38
Instrument panel fuse replacement .................................................................. 8-39
Engine compartment panel fuse replacement
................................................8-40
Fuse/relay panel description
........................................................................\
...8-41