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Audi A4 Security System

10 messages,  Last post on Sep 02, 2009 at 6:54 AM

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#3 of 10 Strange ... by hauschild Dec 29, 2007 (11:09 pm)
Guys,   Last night I purchased a 2005 A4 Quattro 2.0T, 32,500 miles. It's seems like a sweet ride so far.   However, I did notice some strange behavior today with the remote and I'm not sure if it is something in the remote or something I did. At one point today, I was messing around and checking everything out. When the driver's door was unlocked, nothing would happen when I pressed the "lock" button on the remote, except the infrared indicator on the device. I continued to try the trunk, the lock and nothing.   So, I climbed in and turned the ignition forward without starting the engine. Then, I turned it off and the remote seemed to function appropriately. But, now I'm kinda scared to lock it for fear of not being able to open the car. I'll admit I know next to nothing about this car and am trying to familiarize myself with everything. Is there something I did which caused the remote not to function???   I know it wasn't in my head because I spent several minutes manually locking and unlocking from the inside and it appeared that not until I turned the power on and off did the remote seem to operate appropriately. I'm certainly a "newbie" with the Audi's so if anybody can help me understand this odd behavior, I would really appreciate it. Replies to this message: tgai69 (Jan 03, 2008 4:37 am) hauschild (Jan 04, 2008 9:42 am)
#4 of 10 Re: Strange ... [hauschild] by tgai69 Jan 03, 2008 (4:37 am)
Replying to: hauschild (Dec 29, 2007 11:09 pm) u should be alright.....your remote probably went into "hibernate" mode from sitting so long at the dealership and reactivated when u pressed the buttons whilst in ignition.I being "smart" tried a new battery(bad move).Now it has to be reprogramed($50) at the dealership with a spare key($200) in the door which i incidentally do not have Replies to this message: hauschild (Jan 04, 2008 9:42 am)
#5 of 10 Re: Strange ... [tgai69] by hauschild Jan 04, 2008 (9:42 am)
Replying to: tgai69 (Jan 03, 2008 4:37 am) Thanks for the reply - youj're probably right, although I've noticed the behavior a few more times. My dealer told me it could be the battery, but I'm not buying it because I can see the infrared light after each press and I'm right next to the vehicle. Maybe I'll replace the battery anyhow.   I've also (finally) read much of the manual which I should have done right away and there is a sequence to reset the remote, which I may try if I continue to experience this strange phenomenon.   I was pleasantly surprised to see that I received 25 MPG on my first tank of gas, entirely city driving here in Chicago burbs and that was amongst heavy snowfall and now extreme cold. Judging from that number, 30+ on trips should be not problem. It's not like the 2.0 four is a huge engine, but it's still nice to know the mileage is reasonable.
#6 of 10 problem with alarm by makimare Mar 26, 2008 (2:31 am)
I have 1997 A4, and I had sound alert when I forgot to turn off the ligts when I want to go out from my car. Now, sound alert doesn t work. What can I do ? Where can I find some switch in door connected with sound signal ??
#7 of 10 Audi Security System Going off at Random by burnt_me Mar 29, 2008 (6:51 am)
I bought an 2003 Audi A4 just over a year ago and for the past 11 months or so when you lock the car and walk away the security system goes off for about an hour. I am supprised my car hasnt been keyed yet. I have taken it to the dealership ywice and spent a couple of hundered bucks for nothing. It still goes off as I type. Replies to this message: tgai69 (Apr 13, 2009 6:00 pm)
#8 of 10 Re: Audi Security System Going off at Random [burnt_me] by tgai69 Apr 13, 2009 (6:00 pm)
Replying to: burnt_me (Mar 29, 2008 6:51 am) hopefully one of these 2 solutions will solve your problem. 1. your motion sensor(yeah..your cars got one) is stuck "on". There is switch on the driver side B-pillar(behind the seat belt mounting). Hit that switch. 2.Make sure windows/sunroof/trunk are fully closed. Holding the key in the clockwise(lock) direction for say 5seconds after should do it. Good Luck Heck Audi could do everybody a favour by posting owner manuals online.
#9 of 10 Locking / security system issues by npsnowmo May 28, 2009 (1:20 pm)
I have a 1999 A4 that has been sitting idle for the past 3 months, while I slowly completed an engine rebuild. Now I got it all up and running, but now the locking system is out of whack. The key fobs do not work at all, even after replacing battery in the fob. After I unlock the car manually with the key, all the doors lock about 10 seconds later on their own. I tried to "re-synchronize" the fobs as stated in the manual--nothing doing.   Do I just need a re-program at the dealer, or is the module gone bad? Any help is appreciated--thanks.
#10 of 10 99 Audi A4, cannot disarm security system by jim_a4 Sep 02, 2009 (6:54 am)
I can unlock the door manually with the key (not the key fob...) but the button on driver door didn't go all the way up.When I open the door, alarm goes off. And cannot start engine either. Dealer tested it and said control module cannot receive any signal from any key cylinder so they ask me to spend $1300 replacing all key cylinders and switches!!!!But they are unsure if that will fix it or not....   Any help, suggestion or comment!!!!!!!!

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