2018 Hyundai Ioniq Plug-In Hybrid problems

Filed May 13, 2026 · CA

I am writing to dispute the denial of my paint defect warranty claim formally and to demand that Hyundai Motor America reconsider its decision. My 2018 Hyundai Ioniq (Silver, VIN: [XXX] ) is exhibiting significant paint bubbling — the identical defect that Hyundai has already acknowledged and accepted responsibility for in white-painted vehicles across multiple model years. Timeline of Events • I first contacted Hyundai Customer Care by phone, and was directed to visit an authorized dealership. • On May 8, 2025, I visited Tustin Hyundai, where Dealer Coordinator Alex Cervantes documented the paint bubbling by photographing the affected areas and submitted the claim to Hyundai Motor America on my behalf. Dealer Reference #: XXX. • On May 11, 2025, Alex called and mentioned that Hyundai has denied my claim. Basis of My Complaint Hyundai has publicly acknowledged that paint bubbling and delamination affecting certain 2017–2018 model-year vehicles constitute a manufacturing defect, not owner negligence or environmental damage. In response, Hyundai issued Warranty Extension TXXW and subsequently the broader Z05 extension (10 years/unlimited miles), covering affected vehicles with white paint. The paint defect on my silver 2018 Ioniq is identical in nature and presentation to the defect that Hyundai has already accepted responsibility for. The bubbling is occurring on body panels — not due to collision damage, improper maintenance, or environmental factors — and is consistent with the delamination pattern described in Hyundai's own Technical Service Bulletins. Denying my claim solely based on paint color, while acknowledging the same underlying manufacturing defect in other colors, is inconsistent and Hyundai not accepting responsibilty. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Filed Jul 5, 2022 · Body · 12,000 miles · FL

The contact owns a 2018 Hyundai Ioniq Hybrid. The contact stated that upon inspection, it was discovered that both the passenger’s side front and rear carpets had become soaked with water and condensation from the operation of the air conditioning unit. The contact was also concerned that mold was present due to the failure. The local dealer was contacted and a service appointment was scheduled. The manufacturer was not yet notified. The failure mileage was 12,000.

Filed Jan 14, 2022 · Visibility · CA

Sunglass holder would randomly come down and block rear view mirror completely. Unable to see the back.

Filed Nov 5, 2021 · Engine · PA

I have put around 31K miles in my car. Day before yesterday ( Nov-2 ) when I was driving back home from work, suddenly I heard a noise. I pulled over and stopped the car. when I got down and checked, I noticed exhaust system or something similar to that fell off and touching the road. I have seen similar issues posted in Hyundai Ioniq forums https://www.ioniqforum.com/threads/very-dissapointed.37027/ https://www.ioniqforum.com/threads/first-issue-exhaust-fell-off-at-21k-miles-2019-phev.35092/ I will attach few pictures that I took during this incident.