 Right side unibody rusted out - the engine and front differential are connected to the frame which cannot effectively be repaired. Extreme safety hazard. If the unibody could be repaired, it would be temporary and pose a safety hazard for the next buyer and potential liability for the seller. Infiniti refuses to assume responsibility. Infiniti has repaired the driver's side strut tower housing, but does not acknowledge sever unibody rust. Dealer indicates other owners have same problem. 