The National Highway Traffic Safety Administration said that it has opened an audit of the remedy for a recall of certain Kia vehicles. The agency announced Aug. 6 that it would conduct an audit into over 137,000 2021-2023 Seltos and Soul vehicles that were recalled in February for piston oil rings that may have been manufactured incorrectly.

The administration began the audit after the Office of Defect Investigation's Recall Management Division reviewed 47 complaints from April 29 to June 27, according to an Aug. 6 notice . The audit comes months after Kia recalled 137,