You want to use a navigation device mounted on your motorcycle. What should you observe?

You answered correctly by selecting all three options. According to German traffic rules, when using a navigation device on a motorcycle, safety is paramount. First, you must enter the destination only when the motorcycle is stationary to avoid distractions while driving. Second, operating the device while riding should be avoided as it diverts your attention from the road. Third, using the voice output function through a headset allows you to receive navigation instructions without looking away from the road, enhancing safety. Following these rules helps prevent accidents caused by distractions while riding.