July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!
Test Procedure
WARNING: This page is about a different car, the 2003 Lincoln Aviator. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Carry out this test only if the front auxiliary climate control assembly temperature control operates correctly.
Fig 1: Pinpoint Test T: The Temperature Control Is Inoperative Using The Rear Auxiliary Climate Controls