NHTSA Complaint #11658461 — 2007 HYUNDAI ELANTRA

The contact owns a 2007 Hyundai Elantra. The contact stated that while driving at an undisclosed speed, the transmission was slipping, and the vehicle jerked. The contact stated that during warm temperatures, the transmission unexpectedly downshifted to first gear and then remained in first gear. The contact stated that the RPM fluctuated, and the engine revved. No warning light was illuminated. The vehicle was not taken to an independent mechanic or the local dealer. The vehicle was not repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 241,000.