Where is the key to the dream detective search class?

On the lower right side of the front windshield of the car. In the game setup of Fantasy Detective, the key of search class is on the windshield at the lower right, and the diamond is on the billboard on the left. "Dream Detective" is the world's first popular leisure puzzle game, which combines object finding and synthetic gameplay. It has a unique hand-painted style, and adults and children can find childhood fun in this game.