The human body has an intense relationship to automobile design. We can sense its shape, size, color, materials, smell, and weight through our senses, but it also responds to vibration, temperature changes, and sound. Our bodies are designed to detect motion and movement. When we see the outline of a car, our eyes interpret that image into three dimensions using visual illusions such as perspective and depth perception. Our ears recognize the engine's roar and the wind noise around us. Even though they may not be consciously aware of their own body language, people often feel more comfortable driving faster cars than slower ones because acceleration produces a feeling of excitement that is similar to being pursued by another person. This is why some drivers get 'car sick,' which involves nausea and dizziness when they drive for too long without stopping, while others enjoy the thrill of speeding up their vehicles quickly or slowly. The brain uses these physical sensations to create mental images of what could happen next, which is called fantasy projections or anticipation imagery in psychology. Automotive sex is one way this process occurs naturally, where we engage with our surroundings physically and mentally.

People have always loved watching other people drive, whether it is the thrill of riding in a convertible or seeing someone else drive a sports car. Watching a woman driving a race car triggers a variety of responses in men, including sexual desire. As she speeds down the track at high rates of speed, men begin to imagine themselves behind her wheel. Women who watch men racing tend to become aroused more quickly than women who do not participate. The same holds true for watching pornography featuring automobiles - if the camera pans over an attractive male driver, viewers are more likely to think about having sex with him than if he was just sitting there reading a book. In fact, watching any type of video can increase arousal levels among both genders.

The human mind has evolved into believing that certain objects represent sexuality and intimacy.

Large breasts symbolize femininity and small ones masculinity. People may associate big wheels with strong masculine bodies because they resemble them visually. A luxury vehicle represents power and status to some individuals, but for others, size means nothing; instead, they find comfort and safety in smaller models. Driving often involves sitting close together while feeling each other's body heat and breathing patterns. This intimacy leads to feelings of attraction towards another person (or object) as well as increased trust between partners when they share information such as location or travel plans.