Our sense of smell allows us to treasure moments, people and places embedded in our memories of the past, so that a simple breeze can recreate an entire scene. This aroma diffuser for cars was designed with the relationship between a person and memories in mind, triggering off old memories as well as new ones created inside the car. The grilles emitting the scent are not visible to the naked eye, leaving a volume that visually acts as a receiver, and not simply as a container, in contrast with regular air fresheners.