10.0

really awful
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
0 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2012 Hyundai Sonata engine problems

engine problem

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2012 Hyundai Sonata Owner Comments

problem #1

Apr 012015

Sonata 4-cyl

  • miles

A D V E R T I S E M E N T S

2012 Hyundai Sonata. Consumer writes in regards to manufacturers false mpg claims and vehicle acceleration issues. The consumer noticed, when the vehicle was cold, it seemed as though the vehicle could not decided if it wanted to be in electric or gas mode, as it was chugging as the consumer was trying to drive up the hill. The dealer informed the consumer, that a computer upgrade needed to be performed on the vehicle. After the computer was upgraded, the consumer experienced another failure. In October 2015, the vehicle once again stopped without any warning. The lights flashed on the dash, with a message to stop safely and check the hybrid drive.

- San Diego, CA, USA

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