Abstract: An informational car freshener sign includes a cardboard sign having a front side and a back side, a written message setting forth rules and instructions in catchy and colorful wording to inform passengers in the rear seats of the driver's wishes with the written message accompanied by a pictorial representation such as a cartoon to enhance the impact and effectiveness of the sign, and the cardboard sign capable of giving off a particular scent to maintain the freshness of the interior environment. The sign is hung from the rear of the driver's seat or the front passenger seat, and the sign can be mounted in residential, commercial, and business establishments of all kinds. The sign can also be in the form of an air freshener calendar with the sheets for each month having different wording, cartoons, and scents.