Except of course when the author remembered to mention who was driving the car at any important moment. However, in the latter part of the story, Lei Nian would sacrifice her own life to safeguard that of the female lead in a very dangerous situation.
In the end, after all that emtional drama, and the subsequent degradation to a background character, Lei Nian proved to be nothing more than a life saving talisman for Guo Ying. And now that she had lost this life saving charm, Yang Jingshen also wanted to know how the female lead would escape that particular danger!
Would the plot directly arrange a substitute character in place of Lei Nian? Yang Jingshen thought that he might not know, at least for the time being. After all, he didn't have eyes and ears stationed around the female protagonist ne.
And this was also what he wanted to change in his situation. His inability to make visible changes to the novel plot.