There is a build sticker in the trunk, under the carpet, near or in the spare tire well.
Where yours is a 2005 it isn't all that old and is probably still there and still legible.
If the quantity of carbonic acid increases in geometric progression,
the augmentation of the temperature will increase nearly in arithmetic progression.
Svante Arrhenius 1896
Cogito ergo soy (I think, therefore: Biodiesel)