You do need to move it from park – from the stop position – to the drive position.

您确实需要将其从驻车（停止位置）移动到驾驶位置。

And POPCORN fixed the path's start and stop positions in the same place to simplify the search for a safe landing site.

POPCORN 将路径的开始和停止位置固定在同一个地方，以简化对安全着陆点的搜索。