Front and rear head curtain airbags were added beginning with 2007 models to the front seat - mounted torso airbags available in earlier models. (iihs.org)
Beginning with 2005 models, front and rear side head curtain airbags became available as options. (iihs.org)
Front and rear head curtain airbags and front seat - mounted torso airbags now are standard. (iihs.org)