How to uncover the real objection in a car deal?

That’s the question isn’t it! You have done the road to the sale; you have taken a look at their old car. Your customer loves the new car and just won’t sign. You have followed them up and the customer isn’t calling you back. Now what should you do?

You take it to the next level, you have the manager speak to them, and you even call them every day for a week, still nothing. What is the next step?