More than 507,000 Kia vehicles have been recalled in the U. S. due to a potentially deadly electrical glitch that could hinder airbag deployment in a crash.The following U.S. vehicles are included in the Kia recall:2010-2013 Fortes2010-2013 Forte Koups2011-2013 Optimas2011-2012 Optima Hybrids2011-2012 SedonasThe recall came after the National Highway Traffic Safety Administration (NHTSA) announced in March that it was investigating potential short circuiting and electrical overstress defects that prevented some frontal airbags and seat belt pretensioners, which tighten a seat belt in an accident, from deploying in vehicles manufactured by Kia and Hyundai Motor Corp. At least four deaths and six injuries have been linked to the issue.Hyundai recalled 154,000 Sonatas in February due to the issue, and later expanded its recall in April to include an additional 425,000 vehicles. Recalled U. S. Hyundai vehicles include:2011-2013 Sonatas2011-2012 Sonata HybridsWith the addition of the latest Kia recall, the number of recalled vehicles in the U.S. due to this defect is roughly 1.1 million. A fix is not yet available, but Kia stated that it is working with its supplier to address the issue.Motley Rice attorneys have experience representing motorists who have suffered economic losses, or were tragically injured or killed due to vehicle defects, including Takata airbags, the subject of the largest consumer product recall in U.S. history. For more information, or to discuss the Kia and Hyundai recall, contact attorney Kevin Dean by email or call 1.800.768.4026.To check whether your vehicle was included in the recall, visit www.safercar.gov and enter your VIN.