Some cars out today have automated emergency braking systems. There are also assisted cruise control systems that use a variety of techniques for maintaining a

Some cars out today have automated emergency braking systems. There are also assisted cruise control systems that use a variety of techniques for maintaining a safe distance from the car ahead of you, even in low-visibility situations, and sensor systems that will alert you when you start to drift from your lane (or someone starts to drift into yours). Not to mention traction control systems that have been in cars for years...