In-car systems refer to the technology integrated into vehicles that enhance the driving experience. These systems can include features like infotainment, navigation, and vehicle diagnostics, allowing drivers to access information and entertainment while on the road. They often connect to smartphones via Bluetooth or Apple CarPlay, enabling hands-free calls and music streaming. Modern in-car systems also focus on safety, incorporating features such as adaptive cruise control and lane-keeping assist. These systems use sensors and cameras to monitor the vehicle's surroundings, helping to prevent accidents and improve overall driving comfort.