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Discussion Starter #1
After having battery disconnected for a couple of months the heater setting don’t switch properly and especially the defrost
Thoughts?
 

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Turn off the HVAC controls with key in run position, not start position. Then turn the key off. Disconnect the battery and wait 15 mins or so to discharge the RAP power. Reconnect the battery, start the car and retry the HVAC to see if it resynced.
 
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