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Providing spacious seats and backrests , vanderbilt chairs are ergonomically incomparable .

提供宽敞的座位和靠背，椅子是范德比尔特符合人体工程学无可比拟的。

Release both backrests and fold forward .

释放两个靠背并向前折叠。

The park assist system is not the only piece of the touran 's technology that provides genuine benefit for day-to-day driving , as opposed to some of the dubious stuff ( does anybody really need heated seats and backrests ? ) Now adding unnecessary weight and complexity to cars .

与如今只会给汽车增添不必要重量和复杂程度的其它东西（真有人需要加热座椅和靠背吗？）相比，途安采用了能给日常驾驶带来真正便利的多项技术，“停车助手”系统只是其中之一。

Only the right backrest must be removed in order to install the basic package , while the two backrests must be removed in order to install the add-on package .

安装基本套装只需拆下右靠背，但要安装附加套装则须将两个靠背全部拆下。