I drive a SsangYong Musso, and the speedometer consistently reads a few miles per hour above my satnav. I have always believed that the satnav would be the most accurate and reliable, but I recently ...

Drivers along Lake Tahoe’s west shore may notice something odd when glancing between theirwindshield and their dashboard. The ...

Modern cars surround drivers with digital certainty, yet one of the most basic numbers on the dashboard is quietly biased in your favor. The speedometer is designed to err on the side of reading high, ...

Currently, Google Maps navigation system can display the speed at which the car is moving. However, many people wonder why the speed shown on the map differs from the speed displayed on the car's ...