5. Cadillac Fleetwood: Built-in Mobile Phones
In the 1980s, Cadillac Fleetwood limousines and sedans were often upgraded post-sale with dealer-installed mobile phones, a rare luxury at the time. These devices foreshadowed today’s car connectivity, offering drivers unprecedented communication capabilities. While modern infotainment systems provide a wide array of features, the integration of mobile phones into vehicles like the Fleetwood marked a significant step toward the connected driving experience we have today. (techwalla.com)