Translation of "backseat" into Chinese

I took the backseat, and in front of me I saw something related to a play.

有一次我到了纽约,上了一辆出租车,坐在后座, 我看到我前面有些东西与戏剧有关,

My money's in my briefcase in the backseat.

我 的 钱 在 我 的 公文包 在 后座 。