Every generation of cars has introduced features that promised to change driving forever. At the time, they felt futuristic and exciting. Manufacturers proudly advertised them, and buyers considered them symbols of progress. Yet many of these technologies slowly vanished without much attention. Some proved unreliable, others became too expensive, and many were replaced by newer systems that simply performed better. Their disappearance reflects the constant race for innovation, where yesterday's breakthrough can quickly become today's forgotten chapter.
