Hyundai Motor Co. workers launched a full-day strike Friday after failing to reach a wage agreement with management. It is the first eight-hour strike by the automaker’s union in 10 years. The walkout is expected to halt production at plants in Ulsan, Jeonju and Asan for a combined 16 hours across two shifts. The union also plans additional four-hour walkouts Monday and Tuesday.

Hyundai Motor Co.'s employees at a plant in Ulsan leave as they stage partial strikes, Thursday. Yonhap

The labor union of Hyundai Motor Co. launched a full-day strike Friday after failing to reach an agreement with management over wages, raising concerns about further production disruptions amid sluggish vehicle sales.

It marks the first time in 10 years that the automaker's union has staged an eight-hour strike.

Production lines at Hyundai Motor's plants in Ulsan, Jeonju and Asan are set to be halted for a combined 16 hours across two work shifts, with about 39,000 union members participating in the walkout.