Jack gives Samantha a single flower in a pot to use as a signal. The stem of the flower is pretty long at first, but later in the episode, it's much shorter.
When Sam is squatting by the car talking to her mother on her cell phone, the camera crew is reflected in the surface of the car.
When Sam is squatting by the car talking to her mother on her cell phone, the camera crew is reflected in the surface of the car. Additionally, shadows from the crew and equipment can be seen on the ground next to the car.