Stellantis Media Site Statement: Active Head-Restraint System Contact: Eric  Mayne Statement: Active Head-Restraint System July 2, 2013,  Auburn Hills, Mich. - Chrysler Group LLC will recall approximately 490,000 cars and utility vehicles worldwide to address active head-restraint function.Active head restraints are designed to mitigate neck injuries by automatically moving forward during certain rear-impact collisions. Potentially faulty microcontrollers in some vehicles may prevent the systems from functioning properly.Chrysler Group is unaware of any related injuries or accidents. Airbags and shoulder-restraint systems are not affected.The potentially faulty microcontrollers were installed in a supplied component. They entered the supply chain after the 2011 earthquake and tsunami in Japan caused a worldwide microcontroller shortage.Chrysler Group will replace the component or upgrade system software as needed, at no cost to its customers.Affected are the 2011-2013 Chrysler Sebring, 200 and Dodge Avenger midsize cars; 2011-2013 Jeep Liberty SUVs and 2011-2012 Dodge Nitro SUVs.The campaign involves approximately 442,000 vehicles in the U.S.; 25,000 in Canada; 10,000 in Mexico; and 12,000 outside the NAFTA region.Chrysler Group will notify affected customers. Questions or concerns can be addressed by calling 1-800-853-1403.