just an advice, be careful when trying to reset air control adjustment
i did that a while back and posted a thread about it. for some vehicles it may trigger a transmission malfunction code, and this code is a PAIN to get rid of. it puts the transmission in safety mode. it took me four days to figure it out with Duram@BT. he had to create a new BT software to enable a new function just to fix this problem. just read my thread for instructions.
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