Garmin n&uuml;vi 40LM 4.3-Inch Portable GPS Navigator with Lifetime Maps - US and Canada (Certified Refurbished) This Certified Refurbished product is tested & certified by Garmin to look and work like-new. The product includes all original accessories, and is backed by a 1-year warranty. Speed limit indicator - unit displays speed limits for most major roads. Lane assist with photoReal junction views. Trip computer records mileage, max speed, total time and more. Hear spoken street names