moving off, changing direction or lane changing – follow this sequence:
1. look in mirrors
2. indicate your intention
3. check the vehicle’s blind spot by turning your head
4. check traffic, your road position and speed
5. when beginning to move, check for changed traffic conditions
感觉顺序应该是:A+B -> D -> C -> E
但是在实际驾驶中,我发现应该先打灯,即采用:D -> B -> C -> E的顺序。假设需要变道到右侧,如果右侧车道一直有车过来,如果我打灯了,那么自己当前车道的后车和右侧车道的后车就都知道我的意图了,碰到好心的司机就不会加速从而给我让开一个位置完成变道。如果先检查右后镜再打灯,那么在右侧车道车多时就可能比较长时间得不到变道的空间,也导致自己压车让当前车道的后车不爽。