ALL TESTS Failed! I would really like to have this feature, mainly for the auto down front windows at the switches. Like I said, you definitely hear a clicking with one of the front doors open and the key out while attempting to raise or lower a window. (In owner's manual you should be able to operate windows, seats, steering column, radio, etc w/o key if a front door is open. The only suspect I have is the seat belt warning module (No light when opening driver's door, but light is on when pass door is open) I can operate seats, etc with pass door open but not with driver's door open. I wonder if there is a connection somewhere? Thanks for info. Do you know of any way to test actual C/C Module directly on unit?

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2002 Mercedes-Benz E320 4Matic
1995 Mercedes-Benz E320 Wagon
2005 Land Rover LR3 V8 SE
1999 Audi A8 4.2L quattro