I have an audi a4 1998 and i dont have the code for the stereo, how can i get it?? and fow do i unlock it??

You will need the code to get it working. You may need Audi for this. Never disconnect the battery, or the alarm with trip on. Since it is frozen, I would try and remove the fuse, and reinstall it to reset the stereo. Then try the code.
I got lucky in my 2001 VW passat, when the stereo code was needed, but then the next day it started working by itself.

try entering the code it should automatically turn on if not press the src button or the power button good luck.

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

this is a security feature that Audi does on their OEM stereos. you have to go to the dealer and ask them to get you the security code to unlock it. check if you still have your original factory manual, as it should be listed in there.

go back to whoever serviced it and get them to sort it out if they have caused the problem

If you don't want to spend the 135, find out the name of the dealer who origonally sold the car when new. They should have the code on file form the pre inspection that they did. It is a myth that there is a code inside the trunk or on the radio, so don't waste your time looking.

Press and hold SCAN and RDS. 1000 will appear and you can enter your code using the station buttons 1-4 to set the digits.

i have the original book it says anytime the battery is disconnected it will do the lock up and read SAF on the display when this happens you cant use it again untill you unlock it... to unlock it turn the radio on the word safe will be displayed first press the am/fm button and then press the scan button and hold them down simultaneously until "1000" appears in the frequuency display release the buttons DO NOT UNDER ANY CIRCUMSTANCE CONTINUE HOLDINT THE BUTTONS DOWN OR PRESS THEM ONCE AGAIN THIS WILL CAUSE THE RADIO TO TAKE THE NUMBER "1000" AS THE CODE NUMBER. using the first four radio station buttons enter the code number found on your radio card (the codes you have) use button 1 to set the first digit of the code button 2 to set the second digit etc. the first digit of a four digit code must be "1" if your code number has three digits the first digit on the display must be set blank. Once the code is shown on the display press and hold the am/fm button and scan button simultaneously until the work safe appears in the frequency display release the buttons a radio station frequency will automatically be displayed ... MAKE SURE YOU PUT IN THE RIGHT NUMBER OR YOU WILL LOCK UP THE RADIO AGAIN AFTER 2 TRYS AND WILL HAVE TO WAIT AN HOUR BEFORE YOU CAN RETRY IT. IF YOU LOOSE THE CARD WITH THE NUMBER SEE YOUR AUDI DEALER

There wer 3 diffrent radio options for that particular vehicle. All three have diffrent ways to unlock the radio. If you can tell me what type (Bose, Gamma, or Delta) I can give you the unlock procedure.

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