geo
New member
We've been using the nav system a lot and are noticing several problems:
(1) The nav system often picks poor routes (both longer distance and longer time). For example, yesterday we were approaching Bakersfield, CA, and programmed a destination that was straight along our route. The nav system decided to send us off our route (divided highway 58, with little traffic and speed limit of 65 mph) and send us several miles north onto city streets that went north and then turned west (parallel to our route). Not only was it giving us a longer distance, but each time we ignored the directions and kept going straight, the nav system reduced the time to our destination by several minutes. After ignoring 3 instructions to turn north on 3 different exits, the time to the destination had decreased by 10-12 minutes. So for some reason the nav system was sending us on a route that was a longer distance and longer time to the destination.
(2) Even for the correct driving routes, the predicted driving time was often way too long compared to actual driving time (driving at the posted speed limits). Predicted times were so slow (an extra hour out of each morning or afternoon) that my wife suggested maybe the nav system was so smart it could predict how long we would stop for meals and was including our eating time in its predictions.
In contrast to these problems with the factory nav, Mapquest and Google Maps didn't send us off in a bizarre direction and usually gave an ETA that was accurate within a few minutes. Similarly, the Garmin unit I installed in our previous vehicle didn't have the problems or our factory nav.
Has anyone else noticed similar problems? It seems annoying to have to use Mapquest to check up that the factory nav isn't sending us on a bad route.
(1) The nav system often picks poor routes (both longer distance and longer time). For example, yesterday we were approaching Bakersfield, CA, and programmed a destination that was straight along our route. The nav system decided to send us off our route (divided highway 58, with little traffic and speed limit of 65 mph) and send us several miles north onto city streets that went north and then turned west (parallel to our route). Not only was it giving us a longer distance, but each time we ignored the directions and kept going straight, the nav system reduced the time to our destination by several minutes. After ignoring 3 instructions to turn north on 3 different exits, the time to the destination had decreased by 10-12 minutes. So for some reason the nav system was sending us on a route that was a longer distance and longer time to the destination.
(2) Even for the correct driving routes, the predicted driving time was often way too long compared to actual driving time (driving at the posted speed limits). Predicted times were so slow (an extra hour out of each morning or afternoon) that my wife suggested maybe the nav system was so smart it could predict how long we would stop for meals and was including our eating time in its predictions.
In contrast to these problems with the factory nav, Mapquest and Google Maps didn't send us off in a bizarre direction and usually gave an ETA that was accurate within a few minutes. Similarly, the Garmin unit I installed in our previous vehicle didn't have the problems or our factory nav.
Has anyone else noticed similar problems? It seems annoying to have to use Mapquest to check up that the factory nav isn't sending us on a bad route.