DETROIT — The speedometer on the Toyota Yaris says the tiny car can go 140 mph. In reality, the bulbous subcompact's 106-horsepower engine and automatic transmission can't push it any faster than 109.

Apple recently revealed a new version of its CarPlay system for vehicles, which include gauges like speedometers. But even Apple, the company that cast aside tradition when it reinvented phones, music ...

The average car speedometer may be off by a few mph There are several GPS and 3rd party apps that show your actual speed The speedometer, of course, tells you how fast or slow your car is moving when ...