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Battery lost power now the radio is on loc mode. How do I get it out of this mode?

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Look in the instruction manuel and there should be an unlock code

Posted on Jun 12, 2008

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I need the radio code for a 2000 ML 450 bought used and code card is not available. the vin # 4JGAB72E5YA179735


Hi,
According to your requirement you have to purchase radio code or you can use car radio decoder software to decode your car radio. If you have experienced a dead battery, disconnected the factory radio harness or disconnected the battery to the vehicle then you must need radio code. Better to purchase a radio code. Before purchase determine of your radio type and do the following steps. The radio must be in LOC mode NOT in INOP mode. Turn the ignition ON. Press and hold presets buttons 2 & 3 or 1 & 4 for approximately 10 seconds. The radio display changes from LOC to a three-digit number. Write this number down. You will then have fifteen seconds max before the next step must be performed. Press the AM/FM button. The radio display changes to another three-digit number. Write this number to the right of the first one. You now have a six or four-digit number, the first three digits are from STEP 3 and the last three digits are from STEP 5. If you have a four digit number, it will show all four digits at the same time. Then purchase the code mentioning your car model and unlock the radio. You can purchase your code from radio-code.com by credit or debit card.

Sep 03, 2011 | Car Audio & Video

1 Answer

I just bought a 2002 cavalier and the radio says LOC. How can I resolve this?


There is an antitheft device installed in the radio..this deters thieves from stealing the radio...when the power is removed from the radio it becomes locked and can only be unlocked if you have the correct code...you may be able to go to your local chevy dealer and see if they can unlock it for you...you may need to provide proof of ownership and the VIN number

Dec 18, 2010 | Car Audio & Video

1 Answer

Yes changed battery now radio says loc how do you get the radio back what is the code


If it is the standard stereo installed by the car manufacturer from the factory then you should call the car manufacturer. If it is not then you need to call the stereo manufacturer. 8)

Nov 11, 2010 | Car Audio & Video

1 Answer

Goodday I have an Aiwa CDC R104. The radio ceased working, remaining in the demo mode regardless of the button pushed. It does not switch on. I tried the reset switch and also disconnected the unit...


there are tags put on the radio from the factory and held in my screws. those tags do screwy things sometimes. i had a radio that wouldnt power up, and one in demo mode.

Aug 17, 2010 | Car Audio & Video

1 Answer

GM Radio Locked but will not display codes by pressing 1&4 or 2&3


Does your GM car or truck Radio display LOC and does not turn on? Chevrolet, Buick, Pontiac, GMC, Cadillac, Oldsmobile vehicles used a theft system to lock the radio when power is lost. This system was used from the ealy 1990's to the early 2000's.
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Instructions:
  1. If your radio displays the word LOC, you can retrieve a set of factory numbers in the radio that enable you to get a backup unlock code. If the radio says INOP, you will have to leave the key in the "ON" position, or let the car run for at least 1 hour before you attempt any unlock procedure. INOP means a secondary theft lock due to too many false attempts to unlock the radio.
  2. Looking at the face of your GM Delco radio, hold down the preset buttons 1 & 4 OR 2 & 3 (Depending on year and model) for approximately 10 seconds or until a set of 2 or 3 numbers comes up on the display. Write the numbers down.
  3. Next press the AM / FM button. A new set of 3 numbers will now show. Write these numbers down. You will then need to call a 1-800 phone number with these numbers to get the unlock code. There are many sites on the internet that can get it for you- for a small fee. Or, try calling your local GM Dealer and ask for them to do it. Many times they will do it for free. It only takes a minute.
  4. Once you have the unlock code, enter it by pressing the MIN button until the display shows the last 2 digits of the unlock code, then press the HR button until the first 2 numbers or shown. Then press the AM / FM button to enter the code. The radio will now display SEC, and normal function is restored.
Also, its possible that you need RESET your GM Radio; this is the procedure: While performing maintenance on your car, you may disconnect the radio from the battery in your GM vehicle. GM cars contain Delco radios that are protected by Theftlock, which locks the radio after it has been disconnected from a power source. Iit can only be reset and unlocked with a car-specific security code. Identifying the security code for your GM vehicle is the only way to reset the car radio and disable the Theftlock protection device. jQuery('.intro .thumbnail').each(function(i,e){ jQuery(e).find('img').one('error',function(){ jQuery(e).remove(); }); });
Instructions:
  1. Turn on your car. Your Delco radio will show "LOC" in the LED display.
  2. Press and hold down both the second and third preset buttons. Hold these buttons down for at least six seconds.
  3. Write down the two- or three-digit code that appears in the LED display.
  4. Press the AM/FM button on the radio.
  5. Write down the next two- or three-digit code that appears in the LED display. You should be left with either a four- or six-digit number. Turn off your car.
  6. Call the Delco radio automated customer support line at 1-800-537-5140.
  7. Press "1" and then press the pound sign. The automated voice should respond "Invalid code, try again."
  8. Enter the number 139010 into your phone and then press the "*" sign.
  9. Enter the four- or six-digit number you wrote down from Steps 3 and 5, and then press the "*" button.
  10. Write down the four-digit code given by the automated voice.
  11. Turn on your car. Enter the Delco unlock code using the procedure outlined by your GM owner's manual. Normally, the unlock code is entered with the "HR" and "MN" buttons on your radio.
  12. Press the AM/FM button. If you have entered the code correctly, your LED display will read "SEC" and the radio will be unlocked.

Hope this help.

Mar 18, 2010 | Car Audio & Video

1 Answer

Radio works intermittent - 0603 code / CHECK on the display


Some can go into "security mode" if power was lost. Popping sound doesnt sound good to me, VW often has seperate amp under driver dash. Id check all power sources but I bet the error code is mech failure.

May 11, 2009 | Car Audio & Video

1 Answer

My radio says loc????


its in "safe" mode, remove all power for 15-30 mins. You might need a code to turn it on.

May 03, 2009 | Car Audio & Video

1 Answer

After changing my battery my rado shows LOC on the display. I didn't have the code when I bought it my chevrolet venturra 1997. Please help me


you will have to take the vehicle to the dealership for them to unlock your radio. for those radios the loc feature should be something that the user sets and is only active when power is removed but can by undone by the dealer they usualy do not charge for this.

Apr 21, 2009 | Car Audio & Video

1 Answer

Want to know how to turn on loud feature.


There is no 'loud' feature on the Jensen VM 9512.

If your talking about the 3 letters 'LOC' that you can see when you are in radio mode, they do not stand for 'loud'. This is a common mistake.

'LOC' stands for 'local'... not 'loud'.

I know this because I own a Jensen VM 9512, and I have actually read the book that came with it.

Apr 14, 2009 | Car Audio & Video

3 Answers

Delco factory radio display is saying loc


There is a code. This usually happens when the battery dies, when you disconnect the radio or disconnect the battery. Unfortunately only the dealer or delco repair shop can unlock it.
have a great day!

May 28, 2008 | Car Audio & Video

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