Hyundai XG300 Service Bulletins

94 manufacturer communications on file.

• April 10, 2026•Document ID: 11032523

  Other
  AIR BAGS

  Mfr Comm. #:

  DTN DL

  Date Added:

  May 8, 2026

  Manufacturer:

  GENESIS

  Summary

  The National Highway Traffic Safety Administration (NHTSA) has identified the presence of substandard and dangerous driver’s-side airbag inflators manufactured by Jilin Province Detiannuo Automobile Safety System Co., Ltd. (DTN). These inflators were not supplied, approved, or authorized by the vehicle manufacturers and have primarily been found in vehicles that previously experienced a crash and underwent airbag replacement using non-genuine parts. These dangerous inflators have ruptured during deployment, posing a serious risk of injury or death due to metal fragments entering the vehicle cabin. To date, Hyundai is aware of three people who have died while driving a Hyundai vehicle with one of these substandard replacement airbag inflators that deployed in what likely would have been a survivable crash. NHTSA has issued a public advisory urging vehicle owners and service professionals to have vehicles inspected if there is reason to believe that a non-genuine replacement airbag may have been installed. Vehicles with salvage or rebuilt titles, prior airbag deployments, or unknown repair histories may present a higher risk. NHTSA strongly cautions against self-inspection by vehicle owners and recommends inspection by trained technicians.

  Associated Products (325)

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  Associated Documents

  • DownloadMC-11032523-0001.pdf↗
• April 10, 2026•Document ID: 11032522

  Other
  AIR BAGS

  Mfr Comm. #:

  DTN DCS

  Date Added:

  May 8, 2026

  Manufacturer:

  HYUNDAI

  Summary

  The National Highway Traffic Safety Administration (NHTSA) has issued an urgent safety advisory regarding dangerous, counterfeit driver‑side airbag inflators manufactured by Jilin Province Detiannuo Automobile Safety System Co., Ltd. (DTN), that have been identified in U.S. vehicles following prior crashes, theft, or non‑certified airbag replacements. These inflators are not approved for use, may rupture during deployment, and have caused serious injuries and fatalities. Please see attached announcement, provided by NHTSA, for more details.

  Associated Products (325)

  2026 Genesis G702026 Genesis G802026 Genesis G902026 Genesis GV602026 Genesis GV702026 Genesis GV802026 Hyundai Elantra2026 Hyundai Elantra N2026 Hyundai Ioniq 52026 Hyundai Ioniq 5 N2026 Hyundai Ioniq 62026 Hyundai Ioniq 6 N2026 Hyundai Ioniq 92026 Hyundai Kona2026 Hyundai Nexo2026 Hyundai Palisade2026 Hyundai Santa Cruz2026 Hyundai Santa Fe2026 Hyundai Sonata2026 Hyundai Tucson+ 305 more
  Associated Documents

  • DownloadMC-11032522-0001.pdf↗
• November 6, 2025•Document ID: 11025476

  Service Bulletin/Repair Instructions
  EXTERIOR LIGHTING

  Mfr Comm. #:

  25-BD-012H TSB

  Date Added:

  November 12, 2025

  Manufacturer:

  HYUNDAI

  Summary

  This bulletin provides information regarding condensation related to the accumulated moisture in the headlamp, rear combination lamp, daytime running lamp (DRL), or fog lamp. This TSB illustrates the various causes of condensation inside the lamp assembly. Lamp assembly replacement is NOT necessary in most cases. This condition can be eliminated by turning on the lamps with the engine running for several minutes or during normal driving operation.

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  Associated Documents

  • DownloadMC-11025476-0001.pdf↗
• February 14, 2024•Document ID: 10251285

  Service Bulletin/Repair Instructions
  VISIBILITY/WIPER; VISIBILITY

  Mfr Comm. #:

  24-BD-001H

  Date Added:

  March 5, 2024

  Manufacturer:

  HYUNDAI

  Summary

  This bulletin contains information about the proper removal of the windshield wiper blade protective cover on all models. If the protective cover is not removed correctly, there is a possibility of the rubber insert and rail spring becoming partially separated on the inner side of the wiper blade, which could lead to poor wiping performance and/or possible scratching of the windshield glass. Follow the procedure in this bulletin to properly remove the windshield wiper blade protective cover on all new wiper blades.

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  Associated Documents

  • DownloadMC-10251285-0001.pdf↗
• October 13, 2023•Document ID: 10247189

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  23-EM-005H

  Date Added:

  December 15, 2023

  Manufacturer:

  HYUNDAI

  Summary

  This bulletin provides important checkpoint guidelines when performing engine oil and filter change services.

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  Associated Documents

  • DownloadMC-10247189-0001.pdf↗
• April 24, 2023•Document ID: 10235566

  Service Bulletin/Repair Instructions
  STRUCTURE:BODY

  Mfr Comm. #:

  23-BD-007H

  Date Added:

  May 4, 2023

  Manufacturer:

  HYUNDAI

  Summary

  Hyundai applies a Paint Protection Film (PPF) on new vehicles before delivery to dealerships. It provides a barrier between the paint and contaminants, such as rail dust, acid rain, and industrial fallout. In rare cases, the paint can become clouded under the PPF. These spots are the result of moisture trapped between the PPF and the paint.

  Associated Products (281)

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  Associated Documents

  • DownloadMC-10235566-0001.pdf↗
• January 30, 2023•Document ID: 10230904

  Service Bulletin/Repair Instructions
  VISIBILITY

  Mfr Comm. #:

  23-BD-002H

  Date Added:

  February 2, 2023

  Manufacturer:

  HYUNDAI

  Summary

  This bulletin provides information regarding condensation related to the accumulated moisture in the headlamp, rear combination lamp, daytime running lamp (DRL), or fog lamp. This TSB illustrates the various causes of condensation inside the lamp assembly. Lamp assembly replacement is NOT necessary in most cases. This condition can be eliminated by turning on the lamps with the engine running for several minutes or during normal driving operation.

  Associated Products (287)

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  Associated Documents

  • DownloadMC-10230904-0001.pdf↗
• July 28, 2022•Document ID: 10217251

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  22-EM-010H

  Date Added:

  August 5, 2022

  Manufacturer:

  HYUNDAI

  Summary

  Follow the guidelines outlined in this bulletin to inspect and clean or replace certain components of the engine intake system accordingly during engine short block or sub-assembly replacement.

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  Associated Documents

  • DownloadMC-10217251-0001.pdf↗
• July 14, 2022•Document ID: 10217258

  Service Bulletin/Repair Instructions
  TIRES

  Mfr Comm. #:

  22-GI-006H

  Date Added:

  August 5, 2022

  Manufacturer:

  HYUNDAI

  Summary

  Effective June 2, 2008, Federal Motor Vehicle Safety Standard 110 (FMVSS 110) established a threshold for correcting load carrying capacity information indicated on tire placards when vehicle weight has been increased before retail sale. This limit is the lesser of 1.5% of GVWR or 100 pounds. If the total added weight exceeds the lesser of the limit, a label must be added to the driver-side B-pillar within 25mm (1 inch) of the original tire placard.

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  Associated Documents

  • DownloadMC-10217258-0001.pdf↗
• May 21, 2021•Document ID: 10196546

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  21-AT-006H

  Date Added:

  June 10, 2021

  Manufacturer:

  HYUNDAI

  Summary

  Hyundai approves only the ATF, DCT gear oil and IVT gear oil specified in the vehicle’s owner’s manual.  Use of other ATF may result in improper shift quality or other drivability conditions.  Use of other DCT and IVT gear oil may result in reduced durability. Hyundai does not approve the use of any aftermarket ATF or gear oil additives.

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  Associated Documents

  • DownloadMC-10196546-0001.pdf↗
• March 30, 2021•Document ID: 10190044

  Service Bulletin/Repair Instructions
  EQUIPMENT; ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  21-EM-004H

  Date Added:

  April 7, 2021

  Manufacturer:

  GENESIS

  Summary

  This bulletin provides the service procedure for engine connecting rod bearing clearance testing. Perform the procedure outlined in this bulletin to fulfill the Bearing Clearance Test inspection requirements to determine next required steps.

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  Associated Documents

  • DownloadMC-10190044-0001.pdf↗
• March 23, 2021•Document ID: 10190038

  Service Bulletin/Repair Instructions
  SERVICE BRAKES; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY

  Mfr Comm. #:

  21-BR-002H

  Date Added:

  April 7, 2021

  Manufacturer:

  HYUNDAI

  Summary

  This bulletin provides best practice recommendations when performing brake service procedures.

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  Associated Documents

  • DownloadMC-10190038-0001.pdf↗
• March 10, 2021•Document ID: 10189989

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING; EQUIPMENT

  Mfr Comm. #:

  21-EM-003H

  Date Added:

  April 6, 2021

  Manufacturer:

  HYUNDAI

  Summary

  This bulletin provides the inspection procedure and repair guidelines for certain vehicles listed below.

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  Associated Documents

  • DownloadMC-10189989-0001.pdf↗
• November 30, 2020•Document ID: 10183963

  Service Bulletin/Repair Instructions
  SERVICE BRAKES

  Mfr Comm. #:

  20-BR-002H

  Date Added:

  December 8, 2020

  Manufacturer:

  HYUNDAI

  Summary

  This bulletin describes the procedure to inspect and identify fluid which may appear around the brake caliper area.

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  Associated Documents

  • DownloadMC-10183963-0001.pdf↗
• November 19, 2020•Document ID: 10183960

  Service Bulletin/Repair Instructions
  WHEELS; TIRES

  Mfr Comm. #:

  20-SS-004H

  Date Added:

  December 8, 2020

  Manufacturer:

  HYUNDAI

  Summary

  This bulletin provides tire vibration service procedures, including how to optimize vehicle vibration performance. For all wheel/tire balance claims, the “Tire Balance Data Sheet” must be fully completed including imbalance and Road Force Variation (RFV) data. The Data Sheet can be found at the end of this bulletin.

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  Associated Documents

  • DownloadMC-10183960-0001.pdf↗
• July 14, 2020•Document ID: 10178175

  Service Bulletin/Repair Instructions
  EQUIPMENT; EXTERIOR LIGHTING; EQUIPMENT ADAPTIVE/MOBILITY

  Mfr Comm. #:

  20-BD-014H

  Date Added:

  August 7, 2020

  Manufacturer:

  HYUNDAI

  Summary

  This bulletin provides information regarding condensation related to moisture accumulation in the headlamp, rear combination lamp, daytime running lamp (DRL), or fog lamp. The TSB illustrates the various causes of condensation inside the lamp assembly. Lamp assembly replacement is NOT necessary in most cases. This condition can be eliminated by turning on the lamps with the engine running for several minutes, or during normal driving operation.

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  Associated Documents

  • DownloadMC-10178175-0001.pdf↗
• May 6, 2020•Document ID: 10176182

  Service Bulletin/Repair Instructions
  TIRES; WHEELS

  Mfr Comm. #:

  20-SS-002H(1)

  Date Added:

  June 6, 2020

  Manufacturer:

  HYUNDAI

  Summary

  This bulletin provides information on tire maintenance best practices and procedures for dealers and customers to maximize tire life and performance.

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  Associated Documents

  • DownloadMC-10176182-0001.pdf↗
• May 1, 2020•Document ID: 10176178

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  20-BD-007H-1

  Date Added:

  June 6, 2020

  Manufacturer:

  HYUNDAI

  Summary

  This bulletin describes the general guidelines to help disinfect and protect vehicle exterior/interior surfaces using recommended safe chemical products.

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  Associated Documents

  • DownloadMC-10176178-0001.pdf↗
• April 23, 2020•Document ID: 10174808

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT

  Mfr Comm. #:

  20-EE-003H

  Date Added:

  May 7, 2020

  Manufacturer:

  HYUNDAI

  Summary

  This bulletin provides information on identifying dealer stock vehicles with either: • A Battery SOC alert - low Battery State of Charge (SOC) at or below 50%. • A 30 Day alert - vehicle has not started and reported an SOC in 30 days.

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  Associated Documents

  • DownloadMC-10174808-0001.pdf↗
• April 17, 2020•Document ID: 10174807

  Service Bulletin/Repair Instructions
  EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; POWER TRAIN

  Mfr Comm. #:

  20-AT-016H

  Date Added:

  May 7, 2020

  Manufacturer:

  HYUNDAI

  Summary

  The automatic transmission warranty repair policy authorizes in-dealership repairs of the following components for both OEM (new) and remanufactured automatic transmissions:

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  Associated Documents

  • DownloadMC-10174807-0001.pdf↗