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When must you pull over and allow an ambulance or fire engine to pass?
什么情况下你必须为救护车或是救火车让路？
Safely give way when an ambulance or fire engine uses a siren or red flashing lights.
救护车或消防车使用警笛或红色闪灯示警时，应安全让行。
阅读相关知识
Slow and move left, stopping if needed. Do not brake abruptly, speed or create danger on the footpath. Normal rules still apply without emergency warnings.
减速靠左，必要时停车，不能急刹、超速或开上人行道制造新危险。未使用警示时仍需遵守正常让行规则。