NHTSA Complaint #11689150 — 2018 HYUNDAI SONATA ENGINE AND ENGINE COOLING

Complaint Details

ODI Number	11689150
Vehicle	2018 HYUNDAI SONATA
Component	ENGINE AND ENGINE COOLING
Date of Incident	July 15, 2025
Date Filed	September 23, 2025
Mileage	118,000 miles
Crash	No
Fire	No
Injuries	0
Deaths	0
Vehicle Towed	No
State	OH

Consumer Description

The contact owns a 2018 Hyundai Sonata. The contact stated engine oil constantly needed to be added between 1,200 and 1,800 miles. An independent mechanic was contacted. The vehicle was taken to an independent mechanic, and the contact was informed that there were no leaks found, and that the engine was in good operational order. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was 118,000.

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