suì / dào / lǐ / xìn / hào / bù / hǎo / wèi / xīng / dǎo / háng / zàn / shí / wú / fǎ / gēng / xīn / lù / xiàn

隧道里信号不好，卫星导航暂时无法更新路线。

The signal is poor in the tunnel, so satellite navigation cannot update the route for now.