One problem related to turn signal switch has been reported for the 2011 Hyundai Sonata. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2011 Hyundai Sonata based on all problems reported for the 2011 Sonata.
When lights are on in auto mode, the lights flicker (high add low beam) randomly. Dash lights flicker as well. This occurs when not touching the light switch, but also occurs randomly when using the turn signals or switching between high and low beams. This issue occurs while moving and while stationary.