Most safety and regulatory devices within your car or truck operate so seamlessly that you may never even know that they're active. So how do you know when your vehicle's traction control system is working?
You may have noticed that one of the lights on your console is shaped like a tire with an exclamation point in the middle. This is a tire pressure monitoring system, which lets you know if your tires are underinflated.
It used to be easy to make your car go faster -- just step on the accelerator, and the throttle would manually open. Today, many cars use electronic throttle control. What does it take for sensors and computers to control a car's speed?