2010 Cadillac CTS Owner's Manual - Page 305

Vehicle Care 9-5 Hood To open the hood: 1. Pull the hood release lever with this symbol on it. It is located inside the vehicle on the lower left side of the instrument panel. 2. Then go to the front of the vehicle and find the secondary hood release lever. The lever is located under the front edge of the grille near the center. Push the release lever up and raise the hood. Before closing the hood, be sure all the filler caps are on properly. Then pull the hood down and close it firmly.