2000 park avenue climate control

jlaw21652

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1
Buick Ownership
2000 buick Park Avenue
I changed the engine and had the battery out for about 9 hours. Since then the AUTO on the climate control is illuminated but the blower does not work unless you push some other button on the climate control and then push the auto button. The climate control will work normally until the ignition is turned off and then the above procedure must be done for it to work in AUTO. Suggestions?
 

MelsRegal

Full Member
2,704
255
83
Buick Ownership
Regal GS 2017
You can try looking at this thread, they mention with engine running, turning off AC, turn off engine, turn key to run position and recalibration should occur. It also mentions dealer having to reset system if battery is disconnected.
98 PA How to re-program hvac?
 
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