2015 Hyundai Sonata Hybrid engine

F4FOREWORD
Thank you for choosing Hyundai. We are pleased to welcome you to the growing number of discerning people who drive Hyundais.
The advanced engineering and high-quality construction of each Hyundai we build is something of which we're very proud.
Your Owner's Manual will introduce you to the features and operation of your new Hyundai. It is suggested that you read it care-
fully because the information it contains can contribute greatly to the satisfaction you receive from your new car.
The manufacturer also recommends that all service and maintenance on your car be performed by an authorized Hyundai deal-
er. Hyundai dealers are prepared to provide high-quality service, maintenance and any other assistance that may be required.
HYUNDAI MOTOR AMERICA
Note
: Because future owners will also need the information included in this manual, if you sell this Hyundai, please leave the man-
ual in the vehicle for their use. Thank you.
Copyright 2014 Hyundai Motor America. All rights reserved. No part of this publication may be reproduced, stored in any retrieva l
system or transmitted in any form or by any means without the prior written permission of Hyundai Motor America.
CAUTION
Severe engine and transaxle damage may result from the use of poor quality fuels and lubricants that do not meet Hyundai\
specifications. You must always use high quality fuels and lubricants that meet the specifications li\
sted on Page 8-5 in theVehicle Specifications and consumer information section of the Owner's Manual.

13
Introduction
Your new vehicle is designed to use only
unleaded fuel having a pump octane
number ((R+M)/2) of 87 (Research
Octane Number 91) or higher. (Do not
use methanol blended fuels.)
Your new vehicle is designed to obtain
maximum performance with UNLEADED
FUEL, as well as minimize exhaust emis-
sions and spark plug fouling.Gasoline containing alcohol andmethanol
Gasohol, a mixture of gasoline and
ethanol (also known as grain alcohol),
and gasoline or gasohol containing
methanol (also known as wood alcohol)
are being marketed along with or instead
of leaded or unleaded gasoline.
Do not use gasohol containing more than
10% ethanol, and do not use gasoline or
gasohol containing any methanol. Either
of these fuels may cause drivability prob-
lems and damage to the fuel system,
engine control system and emission con-
trol system.
Discontinue using gasohol of any kind if
drivability problems occur.
Vehicle damage or drivability problems
may not be covered by the manufactur-
er’s warranty if they result from the use
of:
1. Gasohol containing more than 10% ethanol.
2. Gasoline or gasohol containing methanol.
3. Leaded fuel or leaded gasohol.
FUEL REQUIREMENTS
CAUTION
Never add any fuel system cleaning agents to the fuel tank other thanwhat has been specified. (Consultan authorized HYUNDAI dealer for details.)
WARNING
• Do not "top off" after the nozzle automatically shuts off when
refueling.
Tighten the cap until it clicks one time, otherwise the Malfunction
Indicator Light “ ” will illumi-
nate.
Always check that the fuel cap is installed securely to prevent fuel
spillage in the event of an acci-
dent.

Introduction
41
"E85" fuel is an alternative fuel com-
prised of 85 percent ethanol and 15 per-
cent gasoline, and is manufactured
exclusively for use in Flexible Fuel
Vehicles. “E85” is not compatible with
your vehicle. Use of “E85” may result in
poor engine performance and damage to
your vehicle's engine and fuel system.
HYUNDAI recommends that customers
do not use fuel with an ethanol content
exceeding 10 percent.Other fuels
Using fuels such as;- Silicone (Si) contained fuel,
- Ferrocene (Fe) contained fuel, and
- Other metallic additives contained fuels,
may cause vehicle and engine damage
or cause plugging, misfiring, poor accel-
eration, engine stalling, catalyst melting,
abnormal corrosion, life cycle reduction,
etc. Also, the Malfunction Indicator Lamp
(MIL) may illuminate.
Gasoline containing MMT
Some gasoline contains harmful man-
ganese-based fuel additives such as
MMT (Methylcyclopentadienyl
Manganese Tricarbonyl).
HYUNDAI does not recommend the use
of gasoline containing MMT.
This type of fuel can reduce vehicle per-
formance and affect your emission con-
trol system.
The malfunction indicator lamp on the
cluster may come on.
Do not use methanol
Fuels containing methanol (wood alco-
hol) should not be used in your vehicle.
This type of fuel can reduce vehicle per-
formance and damage components of
the fuel system, engine control system
and emission control system.
CAUTION
Your New Vehicle Limited Warranty may not cover damage to the fuelsystem and any performance prob- lems that are caused by the use offuels containing methanol.
CAUTION
Never use gasohol which contains methanol. Discontinue use of anygasohol product which impairs dri-vability.
CAUTION
Your New Vehicle Limited Warrantydoes not cover damage to the fuelsystem or any performance prob-lems caused by the use of “E85” fuel.

15
Introduction
Fuel Additives
HYUNDAI recommends that you use
good quality gasolines treated with deter-
gent additives such as TOP TIER
Detergent Gasoline, which help prevent
deposit formation in the engine. These
gasolines will help the engine run cleaner
and enhance performance of the Emission
Control System. For more information on
TOP TIER Detergent Gasoline, please go
to the website (www.toptiergas.com)
For customers who do not use TOP Tier
Detergent Gasoline regularly, and have
problems starting or the engine does not
run smoothly, additives that you can buy
separately may be added to the gasoline.
If TOP TIER Detergent Gasoline is not
available, one bottle of additive added to
the fuel tank at every 7,500mile or every
engine oil change is recommended.
Additives are available from your author-
ized HYUNDAI dealer along with informa-
tion on how to use them. Do not mix other
additives.
Operation in foreign countries
If you are going to drive your vehicle in
another country, be sure to:
Observe all regulations regarding reg-istration and insurance.
Determine that acceptable fuel is avail- able. No special break-in period is needed. By
following a few simple precautions for the
first 600 miles (1,000 km) you may add to
the performance, economy and life of
your vehicle.
Do not race the engine.
Avoid hard stops, except in emergen-
cies, to allow the brakes to seat prop-
erly.
Don't tow a trailer during the first 1,200 miles (2,000 km) of operation.
VEHICLE BREAK-IN PROCESS
CALIFORNIA PROPOSI-
TION 65 WARNING
Items contained in motor vehicles
or emitted from them are known to
the State of California to cause can-
cer and birth defects or reproduc-
tive harm. These include:



components and materials
ject to heat and wear
In addition, battery posts, terminals
and related accessories contain
lead, lead compounds and other
chemicals known to the State of
California to cause cancer and
reproductive harm.

17
Introduction
INDICATOR SYMBOLS ON THE INSTRUMENT CLUSTER
Seat belt warning light
High beam indicator
Turn signal indicator
ABS warning light
Brake system & Parking brake &
Brake fluid warning light
Engine oil pressure warning light
Malfunction indicator light
Air bag warning light
Cruise indicator
Cruise SET indicator
Immobilizer indicator
Low fuel level warning light* For more detailed explanations, referto “Instrument cluster” in section 4.
Charging system warning lightTail light indicator
Trunk ajar warning light
Front fog light indicator
(if equipped)
Door open position indicator Low tire pressure telltale
(TPMS malfunction indicator)
ECO Guide
Electric power steering (EPS)
system warning light
EPS
ESC indicator
(ESC malfunction indicator)
ESC OFF indicator
Vehicle ready indicator EV (Electronic Vehicle) MODE
Service indicator

2
Interior overview / 2-2
Instrument panel overview / 2-3
Engine compartment / 2-4
Trunk overview / 2-5
Your vehicle at a glance

23
Your vehicle at a glance
INSTRUMENT PANEL OVERVIEW
OYF013002N
1. Instrument cluster.............................4-40
2. Light control/Turn signals .................4-71
3. Audio controls ................................4-126
4. Horn .................................................4-30
5. Driver’s front air bag .........................3-48
6. Wiper/Washer ...................................4-76
7. Engine start/stop button .....................5-5
8. Hazard warning flasher switch ...4-70, 6-2
9. Audio* .............................................4-139
10. Climate control system ...................4-83
11. Shift lever .........................................5-9
12. AUX, USB, iPod............................4-124
13. Power outlet .................................4-122
14. Passenger’s front air bag ...............3-48
15. Glove box .....................................4-119
* : if equipped

Your vehicle at a glance
42
ENGINE COMPARTMENT
OYFH071001
❈ The actual engine room in the vehicle may differ from the illustration. 1. Sub relay box ....................................7-54
2. Engine coolant reservoir ...................7-24
3. Windshield washer fluid reservoir .....7-28
4. Radiator cap .....................................7-26
5. Engine oil dipstick .............................7-22
6. Engine oil filler cap ...........................7-22
7. Brake fluid reservoir ..........................7-27
8. Air cleaner.........................................7-29
9. Fuse box ...........................................7-51
10. Inverter coolant reservoir ................7-24
* : if equipped