Side/window Air Bag problems of the 2007 Infiniti M35

My vehicle has had a recall for the passenger side airbag. My letter that I received early this year advised me to not allow a passenger to be seated on the passenger front seat. I have been to the local Infiniti dealer her in lexington ky and they have not received parts? I have received no follow up communication. I cannot operate a vehicle that will not allow me to have a passenger seated safely. I will be liable for any incident that might occur since I have knowledge of this recall. Totally unacceptable that if this is as dangerous as it is being touted that parts are not available. What is my options at this point? thanks rick paynter.