With Electronic Automatic Temperature Control (EATC)

The EATC module, located in the instrument panel, has the following features:
^ 11 push buttons
^ a blower speed override thumbwheel for manual input
^ a vacuum fluorescent display for displaying set temperature, ambient temperature, function and Diagnostic Trouble Codes (DTCs)
^ an On-Board Diagnostic (OBD) feature to supply the technician with DTCs. These DTCs direct the technician to the inoperative component.