Chrysler parent Stellantis (NYSE:STLA) is recalling 121,398 vehicles in the United States due to a safety issue with head restraints, according to the U.S. National Highway Traffic Safety Administration (NHTSA) on Wednesday.

The NHTSA announced that the affected vehicles have head restraints that may not lock properly, which could increase the risk of injury to seat occupants during a crash.

The recall affects various Stellantis models, though specific vehicle types were not detailed in the announcement.

Stellantis, formed from the merger of Fiat (BIT:STLAM) Chrysler Automobiles and PSA Group, operates multiple brands including Chrysler, Jeep, Ram, Dodge, and Fiat in the U.S. market.