HYUNDAI SONATA HYBRID 2021 Owners Manual

I
I-3
Automatic climate control system ....................................................................5-101
Automatic heating and air conditioning
........................................................5-102
Manual temperature control mode
................................................................5-103
Mode selection
........................................................................\
......................5-104
Instrument panel vents
........................................................................\
..........5-106
Temperature control
........................................................................\
..............5-106
Air intake control
........................................................................\
..................5-107
Fan speed control
........................................................................\
..................5-108
Driver only
........................................................................\
............................6-108
Air conditioning
........................................................................\
....................5-109
OFF mode ........................................................................\
.............................. 5-109
System operation
........................................................................\
...................5-109
System maintenance
........................................................................\
...............5-111
Air conditioning refrigerant label .................................................................. 5-112
Automatic transmission
........................................................................\
...............6-10
Shift-lock system
........................................................................\
.....................6-12
Parking
........................................................................\
....................................6-13
Good driving practices
........................................................................\
............6-15
Paddle shifter (manual shift mode)
.................................................................6-16
USB and iPod® port ........................................................................\
...................5-126
B
Battery saver function
........................................................................\
..................5-77
Before driving
........................................................................\
................................6-5
Blind-Spot Collision Warning (BCW)
.................................................................6-65
Blind-Spot Collision-Avoidance Assist (BCA)
...................................................6-65
Blind-Spot View Monitor (BVM)
.......................................................................6-86
Blue Link® center
........................................................................\
.....................5-128
Bluetooth® Wireless Technology hands-free
....................................................5-128
Brake fluid
........................................................................\
...................................8-20
Brake system
........................................................................\
................................6-18
Power brakes
........................................................................\
..........................6-18
Disc brakes wear indicator
........................................................................\
.....6-19
Electronic Parking Brake (EPB)
....................................................................6-19
Auto Hold
........................................................................\
...............................6-24
Anti-lock Brake System (ABS)
......................................................................6-27

Index
I-4
Electronic Stability Control (ESC).................................................................. 6-28
Vehicle Stability Management (VSM)
...........................................................6-31
Hill-start assist control (HAC)
........................................................................\
6-32
Good braking practices
........................................................................\
..........6-32
Bulb replacement
........................................................................\
.........................8-43
Headlamp
........................................................................\
...............................8-44
Parking lamp
........................................................................\
..........................8-44
Daytime running light
........................................................................\
............8-44
Turn signal lamp
........................................................................\
.....................8-44
Cornering lamp ........................................................................\
....................... 8-44
Side marker
........................................................................\
............................8-44
Auxiliary lamp
........................................................................\
.......................8-44
Side repeater lamp
........................................................................\
..................8-45
Rear combination light bulb
........................................................................\
...8-45
High mounted stop lamp
........................................................................\
........8-47
License plate light
........................................................................\
..................8-48
Interior light
........................................................................\
...........................8-48
Bulb wattage
........................................................................\
..................................2-8
C
Cabin air filter
........................................................................\
..............................8-23
California perchlorate notice
........................................................................\
.........1-9
Capacities (Lubricants)
........................................................................\
................2-11
Center console storage
........................................................................\
...............5-118
Central door lock/unlock switch
........................................................................\
..5-30
Certification label
........................................................................\
........................2-13
Check tire inflation pressure
........................................................................\
........8-27
Child restraint system (CRS)
........................................................................\
.......3-29
Selecting a child restraint system (CRS)
........................................................3-30
Rearward-facing child restraint system
..........................................................3-30
Forward-facing child restraint system
............................................................3-31
Booster seats ........................................................................\
............................ 3-31
Installing a child restraint system (CRS)
.......................................................3-31
Lower anchors and tether for Children (LATCH System)
.............................3-32
Lower anchors
........................................................................\
........................3-32
Tether anchors
........................................................................\
........................3-32
Lap/shoulder belt
........................................................................\
....................3-35

I
I-5
Child-protector rear door lock ........................................................................\
....5-33
Climate control additional features
....................................................................5-117
Automatic ventilation
........................................................................\
............5-117
Sunroof inside air recirculation
.....................................................................5-117
Smart seat warmer/air ventilation seat
.........................................................5-117
Washer fluid logic
........................................................................\
................5-117
Clock
........................................................................\
.........................................5-124
Clothes hanger
........................................................................\
..........................5-124
Coasting guide
........................................................................\
.............................6-17
Consumer information
........................................................................\
.................1-10
Cup holder
........................................................................\
.................................5-119
D
Daytime running light (DRL)
........................................................................\
......5-72
Declaration of conformity ........................................................................\
............ 6-77
Defroster
........................................................................\
...................................5-117
Dimensions
........................................................................\
...................................2-7
Door locks
........................................................................\
...................................5-28
Operating door locks from outside the vehicle
..............................................5-28
Central door lock/unlock switch
....................................................................5-30
Auto door lock/unlock features
......................................................................5-31
Rear Occupant Alert (ROA) system
...............................................................5-32
Child-protector rear door lock
........................................................................\
5-33
Vehicle Auto-Shut Off Function
.....................................................................5-33
Drive mode integrated control system
.................................................................6-33
Drive mode
........................................................................\
.............................6-33
Drive mode on trip computer
........................................................................\
..6-37
Driver Attention Warning (DAW)
......................................................................6-78
Leading vehicle departure alert
......................................................................6-83
Driver position memory system ........................................................................\
... 5-35
Storing positions into memory
.......................................................................5-35
Easy access function
........................................................................\
..............5-37
Driving at night
........................................................................\
.........................6-133
Driving in flooded areas
........................................................................\
...........6-134
Driving in the rain
........................................................................\
.....................6-133
Driving the hybrid vehicle
........................................................................\
...........1-13

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

Index
I-8
G
Gauges and meters
........................................................................\
........................4-3
Glove box
........................................................................\
.................................5-118
Guide to Hyundai genuine parts
........................................................................\
...1-3
H
Hazard warning flasher
........................................................................\
.................7-2
Hazardous driving conditions
........................................................................\
...6-132
Head restraints
........................................................................\
............................3-11
Front seat head restraints
........................................................................\
........3-12
Rear seat restraints
........................................................................\
.................3-14
Headlamp delay function
........................................................................\
............5-77
Headlamp leveling device ........................................................................\
............ 5-78
Headlamp position
........................................................................\
......................5-72
Head-up display (HUD)
........................................................................\
..............5-70
Heated steering wheel
........................................................................\
.................5-40
HEV (Hybrid Electric Vehicle) system
................................................................1-12
High Beam Assist (HBA)
........................................................................\
............5-74
High beam operation ........................................................................\
.................... 5-73
Highway driving
........................................................................\
........................6-134
Highway Driving Assist (HDA)
........................................................................\
6-114
Hill-start assist control (HAC)
........................................................................\
.....6-32
HomeLink® system
........................................................................\
.....................5-43
Hood
........................................................................\
............................................5-62
Horn
........................................................................\
.............................................5-41
How to use this manual
........................................................................\
.................1-4
Hybrid battery SOC (State of Charge) gauge
......................................................1-15
Hybrid system gauge
........................................................................\
...................1-15
Power gauge
........................................................................\
............................1-15
Hyundai digital key ........................................................................\
...................... 5-12
Digital key application
........................................................................\
...........5-12
Digital key (smartphone) NFC function
........................................................5-13
Digital key (smartphone) ........................................................................\
......... 5-13
Digital key (card key) ........................................................................\
.............. 5-21

I
I-9
I
If the 12 volt battery is discharged
........................................................................\
7-4
If the engine overheats
........................................................................\
..................7-7
If the engine stalls at a crossroad or crossing
........................................................7-2
If the engine stalls while driving
........................................................................\
..7-2
If the engine will not start
........................................................................\
.............7-3
If you have a flat tire while driving
......................................................................7-3
Ignition switch
........................................................................\
..............................6-6
Engine Start/Stop button
........................................................................\
..........6-6
Remote start
........................................................................\
.............................6-9
Immobilizer system
........................................................................\
....................5-11
Important safety precautions ........................................................................\
.......... 3-2
Always wear your seat belt
........................................................................\
......3-2
Restrain all children
........................................................................\
.................3-2
Air bag hazards
........................................................................\
........................3-2
Driver distraction
........................................................................\
.....................3-2
Control your speed
........................................................................\
...................3-2
Keep your vehicle in safe condition
.................................................................3-2
In case of an emergency while driving
.................................................................7-2
Infotainment system ........................................................................\
................... 5-126
USB and iPod® port
........................................................................\
............5-126
Antenna
........................................................................\
................................5-126
Steering wheel audio controls
......................................................................5-127
Bluetooth® Wireless Technology hands-free ...............................................5-128
Audio / Video / Navigation system
..............................................................5-128
Blue Link® center
........................................................................\
................5-128
Inside rearview mirror
........................................................................\
................5-42
Instrument cluster
........................................................................\
.........................4-4
Adjusting instrument cluster illumination
........................................................4-5
Gauges and meters
........................................................................\
...................4-5
Transmission shift indicator
........................................................................\
.....4-9
Warning and indicator lights
........................................................................\
..4-10
LCD display messages
........................................................................\
...........4-19
LCD display (Type A, B)
........................................................................\
.......4-26
LCD display (Type C)
........................................................................\
............4-39

Index
I-10
Instrument panel fuse replacement ......................................................................8-39
Instrument panel overview
........................................................................\
...........2-5
Interior care
........................................................................\
.................................8-54
Interior features
........................................................................\
.........................5-119
Cup holder
........................................................................\
............................5-119
Sunvisor ........................................................................\
................................. 5-120
Power outlet
........................................................................\
.........................5-120
USB charger
........................................................................\
.........................5-121
Wireless cellular phone charging system
.....................................................5-122
Clock
........................................................................\
....................................5-124
Clothes hanger
........................................................................\
......................5-124
Floor mat anchor(s)
........................................................................\
..............5-125
Interior lights
........................................................................\
..............................5-78
Front lamps ........................................................................\
.............................. 5-79
Rear lamps
........................................................................\
..............................5-79
Luggage compartment lamp
........................................................................\
...5-80
Vanity mirror lamp
........................................................................\
.................5-80
Interior overview
........................................................................\
...........................2-4
J
Jack and tools
........................................................................\
..............................7-14
Jump starting
........................................................................\
.................................7-5
L
Label
........................................................................\
..................................................-
Vehicle certification label
........................................................................\
.......2-13
Tire specification and pressure label
..............................................................2-14
Refrigerant label
........................................................................\
...................5-112
Lane change signals
........................................................................\
....................5-77
Lane Following Assist (LFA)
........................................................................\
....6-108
Lane Keeping Assist (LKA)
........................................................................\
........6-57
LCD display (Type A, B)
........................................................................\
.............4-24
LCD display control
........................................................................\
...............4-24
LCD display modes
........................................................................\
................4-25
Trip computer
........................................................................\
.........................4-36

I
I-11
LCD display (Type C) ........................................................................\
................4-39
LCD display control
........................................................................\
...............4-39
View modes
........................................................................\
............................4-40
Utility view mode
........................................................................\
...................4-41
Option menu
........................................................................\
...........................4-43
User settings mode
........................................................................\
.................4-44
LCD display messages
........................................................................\
................4-19
Shift to P to start engine
........................................................................\
..........4-19
Shift to P
........................................................................\
.................................4-19
Low key battery ........................................................................\
....................... 4-19
Press brake pedal to start engine
....................................................................4-19
Key not in vehicle
........................................................................\
..................4-19
Key not detected
........................................................................\
.....................4-19
Press START button again
........................................................................\
.....4-19
12V bettery discharging due to additional electrical devices
..........................4-19
Press START button with key
........................................................................\
4-20
Check BRAKE SWITCH fuse
.......................................................................4-20
Door, Hood, Trunk open indicator
.................................................................4-20
Sunroof open indicator
........................................................................\
...........4-20
Press START button while turning wheel
.......................................................4-20
Check steering wheel lock system
..................................................................4-20
Lights mode
........................................................................\
............................4-21
Wiper mode
........................................................................\
............................4-21
Low pressure
........................................................................\
..........................4-21
Low washer fluid ........................................................................\
..................... 4-21
Low fuel
........................................................................\
..................................4-21
Engine has overheated ........................................................................\
............. 4-21
Check exhaust system
........................................................................\
.............4-22
Check headlight
........................................................................\
.......................4-22
Check turn signal ........................................................................\
..................... 4-22
Check brake light
........................................................................\
....................4-22
Check headlamp LED
........................................................................\
.............4-22
Check Active Air Flap system
........................................................................\
.4-22

Index
I-12
Ready to start driving ........................................................................\
.....1-17, 4-22
Check regenerative brakes
.....................................................................1-17, 4-22
Stop vehicle and check brakes
...............................................................1-17, 4-22
Check Hybrid system
........................................................................\
.....1-17, 4-23
Stop safely and check Hybrid system
....................................................1-18, 4-23
Check Hybrid system. Do not start engine ......................................................4-23
Stop safely and check power supply
......................................................1-18, 4-23
Check virtual engine sound system
........................................................1-18, 4-23
Refuel to prevent Hybrid battery damage
..............................................1-19, 4-23
Refill inverter coolant
........................................................................\
....1-19, 4-23
Park with engine On to charge battery
...................................................1-19, 4-23
Start engine to avoid battery discharge
..................................................1-19, 4-23
LCD display modes
........................................................................\
....................4-25
Trip computer mode
........................................................................\
...............4-26
Turn By Turn (TBT) mode
........................................................................\
.....4-26
Driving assist mode
........................................................................\
................4-26
Master warning mode
........................................................................\
.............4-27
User settings mode
........................................................................\
.................4-27
Light
........................................................................\
............................................5-72
AUTO headlamp position
........................................................................\
......5-72
Daytime running light (DRL) ........................................................................\
.. 5-72
Parking lamp position
........................................................................\
............5-73
Headlamp position
........................................................................\
.................5-73
High beam operation
........................................................................\
..............5-73
High Beam Assist (HBA)
........................................................................\
.......5-74
Turn signals
........................................................................\
............................5-77
Lane change signals
........................................................................\
...............5-77
Battery saver function
........................................................................\
............5-77
Headlamp delay function
........................................................................\
.......5-77
Headlamp leveling device
........................................................................\
......5-78
Light bulbs
........................................................................\
..................................8-43
Lubricants and capacities
........................................................................\
............2-11
Luggage compartment lamp
........................................................................\
.......5-80