After 20 seconds he knocked again, but I just continued to ignore it. The knocks got louder and more frequent but I was determined not to move in the hope that he would just go away.

Then, he decided to look through the window. He shouted, "Do you think I'm stupid? I can see you in there, sir. Open the door!"

I said, "You're not coming in mate!"

He said, "I don't want to come in, I just want you to step out of the car."

Read more at http://www.sunnyskyz.com/funny-jokes/122/A-Cop-Knocked-On-My-Door-This-Morning#p9C5puEBvqUaESWC.99