FCA US is recalling 392,464 2007-2010 model-year Jeep Wrangler SUVs in the U.S. to replace a faulty clockspring assembly in the steering wheel that could potentially disable the driver-side air bag.

An additional 7,435 2011-2016 model-year vehicles equipped with right-hand drive for special duty also are affected in the U.S., the automaker said.

Located in a vehicle’s steering wheel, a clockspring forms part of the circuit that helps control air bag function. Dealers will replace the clockspring assemblies and related components.

A company investigation determined that when exposed to excessive dust and dirt, the clockspring in these vehicles may become compromised and eventually prevent driver-side air bag deployment in a crash, FCA US said. Such dust exposure would likely occur during off-road driving or driving with the vehicle’s top or doors removed.

“If this condition is present, the airbag warning-lamp will be illuminated,” FCA US said. “If such an event occurs, customers are advised to contact their dealers.”

The company added that it’s unaware of any potentially related injuries or accidents.

Vehicles affected outside the U.S. include an estimated 35,412 in Canada, 8,529 in Mexico, and 62,580 outside the NAFTA region.

Vehicle owners will be advised when they can schedule service, which includes installation of a new steering-wheel back cover and a steering-column shroud. Customers can reach the FCA US Customer Care Center at (800) 853-1403.