开车时务必全神贯注,严格遵守交通规则,听从交警指挥,否则可能会发生意外.这句怎么翻成中文?

When you are driving ,you should obey the traffic regulations and the guidance of the policeman or you may cause an accident .

开车时务必全神贯注,严格遵守交通规则,听从交警指挥,否则可能会发生意外.
Drives when concentrates on completely by all means must, strictlyobserves the traffic regulations, obeys the traffic police to direct,otherwise possibly can have the accident
......................................
还有
When you are driving ,you should obey the traffic regulations and the guidance of the policeman or you may cause an accident .
不过意思是
当您驾驶, 您应该服从交通规则并且教导警察或您也许造成事故。
虽然差不多,但还是有一点差别