Updating lexus gps

A speedo must never show less than the actual speed, and must never show more than 110% of actual speed 6.25mph.

To ensure that they comply with the law and make sure that their speedometers are never showing less than true speed under any foreseeable circumstances, car manufacturers will normally deliberately calibrate their speedos to read ‘high’ by a certain amount.As your satnav is not the designated device by which a car’s speed is measured, it does not need to incorporate any fudge factoring.If you found this article helpful, please take the time to share it with your friends on Facebook, Twitter, Linked In, Google , Stumble Upon or Reddit.The Car Expert explains why your car speedometer may not be accurate " data-medium-file="https:// data-large-file="https:// class="alignright wp-image-2188" src="data:image/gif;base64, R0l GODdh AQABAPAAAP///w AAACw AAAAAAQABAEACAk QBADs=" data-lazy-src="/wp-content/uploads/2012/09/Car-speedometer-the-car-expert-car-buying-agent-e1348059177212.jpeg" data-rel="pretty Photo[image-2181]" alt="The Car Expert explains why your car speedometer may not be accurate" width="180" height="180" data-lazy-srcset="https:// https:// sizes="(max-width: 180px) 100vw, 180px" /Speed is the measurement of distance over time.But a car speedometer doesn’t actually measure how fast you travel from Point A to Point B.