One problem related to back up lights has been reported for the 2006 Hyundai Sonata. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2006 Hyundai Sonata based on all problems reported for the 2006 Sonata.
When the car is parked and the key is out of the ignition the park lights stay on in the front and back, as well as the dashboard lights stay lit up. I have to unhook the battery to get them to turn off. As soon as I hook the battery back up the lights come back on.