<img title="2015 Detroit Auto Show: Wrapup" src="http://blogs.cars.com/.a/6a00d83451b3c669e201b7c7377a1e970b-800wi" border="0" alt="2015 Detroit Auto Show: Wrapup" class="excerptimg"/>Media days for the 2015 North American International Auto Show are over, but we found some lasting highlights.