Based on the context and the answer, generate a question. 

Context: Well , we had to get out of Lake Elsinore Baptist early because they were hosting traffic school in the sanctuary . The instructor of the traffic school showed up and crashed his car up onto one of the concrete parking curbs . He then proceeded to set off his own car alarm .

Answer:

He is a careless driver .



What 's the possible reason that the instructor crashed his car ?