Use the ALARM or HELP button, the telephone or the intercom to call for assistance.

使用紧急呼叫或帮助按钮，也可打电话或用对讲机寻求救助。

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If you get stuck in the elevator, use the intercom to contact someone outside and wait for rescue.

如果被困在电梯里，应用其通话装置和外部联系，然后等待救援。

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How to use the Emergency intercom?

如何使用紧急通话器？

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But according to the Rail Maritime and Transport (RMT) union, the new instruction tells drivers to use the intercom to ask passengers to close any open doors themselves and to move the train without the visual check.

BBC: Tube users 'told to check doors'