Porsche will be contacting the owners of certain 2017 718 Boxster, 718 Cayman, and 911 vehicles regarding a defect affecting the seat mounted side air bag inflators. According to the defect report, Porsche may have been supplied with air bag initiators with deviations in the generant mix ratio. If the mix ratio does not meet specification, the initiators may not function properly, possibly leading to a non-deployment condition during a crash.

Owners receiving notices will be asked to return to their dealers to have the affected air bag modules replaced. For more information about the problem, owners are asked to contact Porsche customer service at 1-800-767-7243. Porsche’s number for this recall is AG10 and the NHTSA campaign number is 16V-946.