| 摘要 |
<p>A navigation system detects, provided that a vehicle approaches a climbing lane or a lane for slower traffic within a predetermined distance, a distance to another vehicle near the vehicle and a relative speed to the vehicle, and further provided that a distance between the vehicle and a vehicle in the rear of the vehicle is shorter than a predetermined distance or that a distance between the vehicle and a vehicle ahead is shorter than a predetermined distance and the speed of the vehicle ahead is faster than the vehicle speed, the navigation system provides guidance regarding the climbing lane or the lane for slower traffic.</p> |
