Luxury automaker Audi joins a growing list of companies facing concerns about sunroof safety.

The Audi A8 and S8 from model years 2013 and 2014 are being recalled because the glass in the standard sunroof may shatter, according to the National Highway Traffic Safety Administration.

The federal agency says the glass might break while the vehicle is in use which could injury the driver and passengers, or distract the driver causing a crash. The car company is blaming a "production process issue" for the problem. The company said its not aware of any accidents or injuries.

caused by the defect at this time. The affected cars were built from March 12, 2013 through July 15, 2013.

Audi dealers will replace the sunroof glass. The recall has started. Owners can contact Audi of America at 1-800-822-2834.

Other sunroof issues

Audi is the latest carmaker to order a recall. Hyundai has already had to order several recalls due to a problem with shattering sunroofs in its Veloster line, and its sibling Kia brand is now facing an investigation by federal safety regulators looking into reports of a similar issue with the smaller Korean carmaker's Sorento model.

NHTSA is also looking into similar problems reported by owners of other brands' products