| 摘要 |
A navigation system having an emergency warning system where the navigation system includes components such as a navigation processor, a GPS, a speaker for providing text-to-voice directions, a display for displaying at least the starting location and final destination, power switch, and a power port that permits connection to the cigarette lighter port of the vehicle, and wherein the emergency warning system includes a component such as a receiver for picking up a right of way vehicle predefined signal. When the right of way vehicle predefined signal is picked up, the emergency warning system can display various warnings such as a text warning or an audible warning via the display and speaker.
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