Ready to transform your car into a high-tech marvel? From emergency LED flares that can be seen a mile away to holographic speedometers that float above your dashboard, these 25 gadgets will not only make your ride cooler but also more functional. For example, the portable jump starter with an air compressor can help you with a dead battery or flat tire in a pinch, while the Bluetooth OBD-II diagnostic scanner turns your phone into a personal mechanic. Want to see more futuristic car accessories? Let’s dive into the video...