With metallic wet surfaces reflections are great. Many things can be seen even better than before with a reflection. Of course if there is no subject that can be used in this case any other car, than using oneself always works.
In both images i can be seen in the silver headlight ring and is thus creating a more engaging composition. Reflections are a really great way of showing more about the surrounding that the subject is in.
Images captured with D2Hs, 17-55, on Lexar UDMA Digital Film