2018 Hyundai Sonata Service and Repair Manual
2018 Hyundai Sonata service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.
Designed for technicians and DIY owners, this manual helps you diagnose issues correctly, follow proven repair steps, and use wiring diagrams and system sections to track faults faster.
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Hyundai Motor America (Hyundai) is recalling certain 2017-2018 Sonata, 2016-2018 Sonata Hybrid, 2018-2020 Accent, and 2016-2017 Azera vehicles. The trunk latch may become damaged, preventing the open
A person inside the trunk compartment may become trapped, increasing their risk of injury.
Dealers will replace the trunk latch base, free of charge. Owner notification letters were mailed D
Certain Hyundai vehicles with exterior white paint may exhibit peeling or bubbling on metal body panels: hood, fender(s), roof, door(s), quarter panel(s), and tailgate/trunk. The paint warranty coverage for affected vehicles has been extend
Some Hyundai vehicles with exterior white paint may exhibit peeling or bubbling on metal body panels: hood, fender(s), roof, door(s), quarter panel(s), and tailgate/trunk. The paint warranty coverage for affected vehicles has been extended
The National Highway Traffic Safety Administration (NHTSA) has identified the presence of substandard and dangerous drivers-side airbag inflators manufactured by Jilin Province Detiannuo Automobile Safety System Co., Ltd. (DTN). These infla
The National Highway Traffic Safety Administration (NHTSA) has issued an urgent safety advisory regarding dangerous, counterfeit driverside airbag inflators manufactured by Jilin Province Detiannuo Automobile Safety System Co., Ltd. (DTN),
Certain 2019 2020 model year Santa Fe, 2017 2018 model year Santa Fe Sport, 2015 2019 model year Sonata, and 2018 2021 model year Tucson vehicles may exhibit elevated engine-out emissions. Hyundai is conducting a service campaign to update
Some vehicles may exhibit difficulty starting in cold weather. This bulletin provides the procedure to perform an inspection on the starter magnetic switch for potential freezing and, if necessary, replace the starter magnetic switch (solen
Hyundai Motor America is currently investigating an ongoing issue with software GDS event #1383 related to 2015MY Sonata (LFA) 2.4L vehicles. The matter is currently being investigated for a resolution as soon as possible. The impacted vehi
Hyundai Motor America is currently investigating an ongoing issue with software GDS event #1383 related to 2015MY Sonata (LFA) 2.4L vehicles. The matter is currently being investigated for a resolution as soon as possible. The impacted vehi
Showing the 8 most recent of 200 technical service bulletins on file with NHTSA.
The contact owned a 2018 Hyundai Sonata. The contact stated that while driving at 35 MPH, a pedestrian alerted him that the vehicle was on fire. The contact noticed that the rear portion and driver
TL* THE CONTACT OWNED A 2018 HYUNDAI SONATA. WHILE DRIVING APPROXIMATELY 35 MPH, THE ACCELERATOR PEDAL BECAME STUCK. THE CONTACT COULD NOT STOP THE VEHICLE DUE TO THE STIFFNESS OF THE BRAKE PEDAL. AS
TL* THE CONTACT OWNED A 2018 HYUNDAI SONATA. WHILE DRIVING APPROXIMATELY 35 MPH, THE ACCELERATOR PEDAL BECAME STUCK. THE CONTACT COULD NOT STOP THE VEHICLE DUE TO THE STIFFNESS OF THE BRAKE PEDAL. AS
I was the owner of a 2018 Sonata until I was t-boned and the car was totaled. I started to make a left turn into a school parking lot when the engine kind of stalled or more like stuttered and did not
I was the owner of a 2018 Sonata until I was t-boned and the car was totaled. I started to make a left turn into a school parking lot when the engine kind of stalled or more like stuttered and did not
Showing the 5 most serious of 532 complaints filed with NHTSA.
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2024
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2015
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2014
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2013
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2012
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