One problem related to air bag on-off switch has been reported for the 2012 Hyundai Elantra. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2012 Hyundai Elantra based on all problems reported for the 2012 Elantra.
Attempted to switch lanes on the highway at 55mph. Switched lanes successfully, but could not straight the steering back straight, causing crash into concrete barrier! airbags did not deploy upon impact. Airbags deployed after bouncing back off of the concrete barrier.