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 ...

Fixing the speedometer on my Honda S2000, which as you can see clearly reads too high. While traveling at a GPS verified ...