Question about 2004 Audi S4

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Audi S4 radio turns back on after you shut car off. In addition, the controls for the radio for the most part won't work, and you can't "Power off" the radio. It won't shut down, when you hit the power off function. Any clues on this "Christine" of a car.

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Some cars have new system in the computer that lets the radio function for 20 minutes after the key is turned off and no doors have been opened, system should shut down immediately after you open a door

Posted on Oct 06, 2010

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Posted on Jan 02, 2017

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Cant get radio out of safe mode


How to get 2006 Audi S4 radio out of safe mode: IMPORTANT NOTE: You must have the security anti-theft code for your Audi radio from the car manufacturer, or from an Audi dealer!
The sequence of programming for Audi radio is:
1. Push simultaneous "SCAN" and "RDS" keys until on the screen will appear "1000" displayed.
2. Release keys. No more push on "SCAN" and "RDS" keys because otherwise number "1000" will be considered as first safe code attempt.
3. By the #1 key you will set up the first safe code digit.
4. By the #2 key you will set up the second safe code digit.
5. By the #3 key you will set up the third safe code digit.
6. By the #4 key you will set up the four-th safe code digit.
7. Then push again simultaneous "SCAN" and "RDS" keys for confirm this safe code. On the screen will be displayed "SAFE" notice. Release keys! For few seconds a radio frequence will be displayed. The radio is now ready for use!

Nov 27, 2010 | 2006 Audi S4

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2000 Audi S4 Manual Transmission car - starting issue


Before you do anything expensive... check the battery cables, particularly the black earth lead where it connects to the engine block/bodywork. Also check the cleanliness and tightness of the battery terminal clamps themselves.

In the engine bay also look for any other black earthing cables. Loosen and retighten them (I.e .. clean them..). A bad earth can cause numerous problems.

It sounds as though you have an earthing problem with the car. You may have an additional problem with the under-dashboard electronics, which has been causing intermittent working of some instruments. However, this may also be due to a badly/corroding earth wire somewhere. Do the simple things first and if the problem persists see a decent auto electrician.

Mar 26, 2017 | 2000 Audi S4

1 Answer

Exactly what is the procedure to efficiently replace the Audi S4 alternator


Audi S4 V8 engine 4,2 liters alternator:
1. You need radio code
2. Disconnect car battery
3. Release tensioning roller
4. Remove ribbed v-belt
5. Detach electrical connexions from the alternator
6. Remove fastening alternator screws
7. Pull out the alternator
8. Install new alternator on the bracket
9. Refit all in reverse order
10. After battery connection you must set up radio code
11. Check up electrical supply from the alternator with a multimeter in parallel connected on battery: around 14 Volts tension voltage value, engine at idle runing.

Dec 29, 2009 | 2001 Audi S4

1 Answer

My battery in my 2002 audi s4 died now the radio


probably need a security code to unlock it after the dead battery, check in your owners manual or other paperwork that came with the car the code should be there somewhere. If not you may need to contact your local dealer. Hope this helps

Dec 08, 2009 | 2001 Audi S4

1 Answer

I need an unlock code for my radio. audi S4 2001 VIN:   WAURD68D41A030147


ur dealer when u buy your car dealer gives u a code with ur paper work a lot of times they dont tell u it they write it down in manual and mention it call dealer and have vin some dealers will ask u to bring in car so to prove ur not stealing stereo

Oct 31, 2009 | 2001 Audi S4

1 Answer

Light on console have somehow been turned off, how do I turn them on Audi S4 2001


first i would turn on the lights in see if all the lights are coming on in the back of the car if not just a fuse will be the problem

Aug 28, 2009 | 2001 Audi S4

1 Answer

I have a 2000 s4 audi and the radio says safe on it. I dont have the manual and if there is anyway you can figure it out please tell me. thanks


You need to go to someone who can "decode" the radio.

The Audi Dealer can do it, but they are expensive.

Look though eBay, Google for someone local to you who does Radio Decoding.

You don't have the Code do you?

If so, you press TP and AS together, the display will change ot ----

Type in the code and viola.

Jun 29, 2009 | 2006 Audi S4

1 Answer

Audi radio gone off no power from mains check all fues all ok


Check the 10 amp fuse in the back of the radio itself, behind where the harness plugs in

Jun 07, 2009 | 2001 Audi S4

1 Answer

Can't locate where the cruise control module is on 2002 Audi S4.


After a certain model year, the module above the glovebox disappeared and the controls it contained were built into the car's computer. If your cruise in your S4 is failing, it's most likely the combination switch (the stalk on the column) - it fails on virtually every B5-chassis Audi at some point (I'm about to install my third one on my 99 A4). Get that part, install it, and you should be good to go.

Jan 01, 2009 | 2002 Audi S4

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