For proud owners of Nissan's newest Altima or Infiniti's G35 sedan, we certainly hope you don't habitually stuff your shiny new I-Key in the same pocket as that diminutive handset, or you may return ...

Automaker asks drivers of new sedans to keep "intelligent keys" and cell phones at least an inch apart, or keys could be disabled. Nissan North America has a warning for customers: placing your ...