[huynh]

Thank you, Tech II!

About the back doors: I just checked and they both did not roll down or open whether or not I pressed the "Lock" button at the master switch. I have replaced the master switch and some kinds of modules at the driver doors and back doors (behind the door panel). It did not help.

About the AC: No air comes out from the vents, no matter I turn on air or heat or window defrost. The AC control unit show what I want to turn on, and that is it.

Thanks again!
H.