Cadillac Repair Questions? Ask a Mechanic for Answers ASAP
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hey how are you
It supposed to retain the memory of your last setting and when turn it back on it will take it back to those settings as long as you have the Auto button pressed it shlould do that .
if it is not in your case and auto is set and still want , simple the ac control module in dash needs replacing the one that you press the controls on , that is the ac control module , it is not retain the preset temp memory
Please let me know
ASE Certified Technician