Warn other traffic by displaying a red triangle or switching on hazard warning lights or the lights or by any other means.

放置红色三角牌或打开危险警示灯或其他灯或别的什么方式提醒后来的车辆。

This special triangle design semantics comes from triangular warning sign, this triangle appearance conveyed a correct product function information which is moral warning role in the public places.

特殊的三角形外观设计语义源自三角形的警示符号，这样的三角形外观向人们传达了一种正确的产品功能信息，在公共场所寓意警示的作用。