How do callers get to appear on Car Talk?

  1. Have a problem that is as tangentially related to cars as possible.
  2. The more guffaws you can extract from the duo, the better.
  3. Imitate a car noise.
  4. Ask about taking a death-trap cross-country.
  5. Say you come from somewhere near Unadilla.
  6. Weave in the topic of brownies for the mechanic somehow.