One problem related to battery dead has been reported for the 2012 Hyundai Sonata Hybrid. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2012 Hyundai Sonata Hybrid based on all problems reported for the 2012 Sonata Hybrid.
In September 2015 the trans. Was replaced in the car. The car was kept for 1 week for repairs. I replaced a battery 12/13/2016, and have had to have at least 12 battery problems. The radio will go out, and within a week to 2 the battery is dead, resulting in my insurance company coming out to start my car. On may 1, 2017, I had a diagnostic done, and they could not find a problem. They recommended trying to replace the radio,but were not sure it would correct the problem. A radio was purchased/replaced 8/2/17,and the problem has continued. Below are the dates of occurrences: 9/14/15-transmission- car went out while driving on highway dead battery: 1/22/16 7/30/16 10/2/16 10/13/16 12/11/16 4/30/17 7/30/17 10/16/17 1/2/18 4/18/18 I have a copy of all claim forms.