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Car radio my theft lock is on and im trying to find the code to unlock is 1999 pontiac bonneville

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If it is the stock radio, you will most likely have to go to a dealer to get it unlocked.

Posted on Feb 24, 2008

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My stereo says protect on it n it wont let me do anything. It has an amp in the gack oft he car that is attached when i biught the car it already had this installed

This could be one of two issues. Since you aren't saying whether what brand stereo is is or model we can only conjecture at a possible cause.

1. The amplifier was over driven and went into self-protect. These usually self-correct, so it may not be the case here unless the amp is damaged.

2. The radio itself is in security mode. If the radio has a security feature (and most factory and some aftermarket units do), it power was interrupted to the unit it will lock up until an unlock code is entered. This is to prevent theft. If this is the case you need to locate and enter the unlock code to get the unit to work again. Factory units usually have a card in the vehicle literature from the dealer that gives the code. Aftermarket units provide the code with the packaging. If you don't have, didn't get, or lost this data, you'll need to contact a dealer for factory radios and find out what info you need to obtain to get the code. If it is an aftermarket unit, you will need to contact the manufacturer for the code.

Feb 15, 2016 | Car Audio & Video

2 Answers

Misplaced unlock code for clarion cx501 how do I unlock the unit?

If the radio is a factory radio the code to unlock it should be on a bussiness card size peice of paper with the owners manual and warrentee booklet. The card will say radio code and have a six digit number.

Dec 18, 2011 | Clarion Car Audio & Video

2 Answers

I took the battery out of and now my Kenwood Stereo asks for a code.

Reset the radio by pushing the small button on left side of the #1 preset. it is probably pulling the code for the anti theft protection. if you already have a lock code use it to unlock the tuner otherwise reset the tuner

Mar 24, 2010 | Kenwood KDC-135 CD Player

1 Answer

I changed the fuse for the radio in my 2007 trailblazer and now all it will do is show the clock and then shut down? Any ideas what is wrong?

The radio goes into anti theft lockout mode when ever power is disconnected to it, fuse, battery change out all trigger radio anti-theft lock out mode, this unlock code was given to the original owner for the truck with the owners new car package which included the all the paper work such as warranty pamphlet, owners manual and so on, it was on a small card, if u don't have this u either must have the dealer look the number up for u or unlock the radio in the shop, the dealer charges around $60.00 for this service, there is a site that is very cheap to use to get the radio unlocked, here is the link to that site, they charge $6.99

Dec 15, 2009 | Car Audio & Video

1 Answer


This feature is for anti-theft, if there was an easy way to "unlock" it then any thief could steal your radio and reset the password. There is no hack here, you have to call Clarion. This is from the manual;
• If you have lost your Personal Code, please
contact Clarion customer service
I've never been through this but they might ask you to send it in. Regardless of it being some system error and not your error. Although if the radio does have a glitch like you said then sending it in might be a good thing.

Oct 19, 2009 | Clarion CX609 Car CD/ MP3 Player

1 Answer

Car Audio Security Theft and lock and unlock code

You will have to take it to a radio shop and have them reinstall the code nothing you can do about it sorry

Feb 11, 2009 | Kenwood KDC-MP4032 CD Player

1 Answer

Car Stereo unlock code for a 2000 Pontiac Monta

I dont believe there is a default code but if you hold down 2 and 4 for a few seconds.... 2 sets of 3 digits come up on the screen... 0XX and then 0XX (where X is your digits) Call your local GM dealer preferably one that deals with Pontiacs... and explain you removed the battery and your radio is locked... you forgot your security code but you have the 6 digits the deck gave you... they;ll put you on hold a for a few minutes then come back with your security code... which will always be the same so dont loose it.. hope that helps.

May 20, 2008 | Car Audio & Video

2 Answers

Radio unlock code

Press & hold the 2 & 3 buttons @ the same time for about 10 seconds; a 2 or 3 digit code will appear, write this # down,press & hold the am/fm button for about 10 seconds: another code will appear, write this # down, then call 1-800-537-5140 and enter 202108 followed by the * key, then enter the #'s that you wrote down from your radio followed by the * key. The call will give you a 3 or 4 digit override code. Write this code # down so you have it if you ever need it again. Enter this # into your radio following the instructions in your owners manual. If you get an override code that starts with 0, you drop the 0 when entering the code into your radio.
If you don't have an owners manual, try this, press & hold the hour button until the first 2 digits of your code come up, then press & hold the minute button until the last 2 digits show. Then press the am/fm button. This should reset your stereo.
if nothing happens you should leave your car running for 1 hour.

Dec 11, 2007 | Car Audio & Video

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