Question about 1991 Mercedes-Benz Mercedes Benz 500 Class

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Security radio code for 1991 500sl

How to retrieve the radio code for 91 500sl

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It will be provided with the original manual/paperwork for the vehicle. If you are unable to find this, you will need to take the car to a dealer. They can provide the code with the serial number and the car's VIN.

Posted on Mar 28, 2014

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Posted on Jan 02, 2017

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I have an 2012 chrysler 200. i recently had to replace the radio. it was purchased off of ebay. i have thevehicles registration and radios serial number how do i retreive the security code


The code is unique to each radio. You will need to show proof of purchase and the radio serial number to a Chrysler dealer to get the unlock code for the radio you purchased.

Aug 08, 2016 | Chrysler Cars & Trucks

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Could you help me out with a code for a 4000 rds ford radio serial number: M019991


Unlock Overview
Get Radio and Navi Unlock Codes
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Honda Owners Retrieve Unlock Codes for
Radio and Navigation Devices

Retrieving Your Code

  • You can retrieve your code using this website by providing identity verification
    and vehicle information in a few simple steps.

Information You Will Need

You can retrieve your code using this website during the following hours:

Monday to Friday 4:00 AM to 9:00 PM PST (Pacific Standard Time)
4:00 AM to 6:30 PM on Saturdays PST
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Additional Information

  • You will be requested to provide your current number and zip code.
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I bought a used Honda civic 2002 the radio serial number is 24163257. I need an unlock code for it.


    Honda Radio / Navigation Code Retrieval and Reset ...

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Jan 13, 2016 | Honda Cars & Trucks

1 Answer

How can i retrieve radio codes


is not possible to retrieve radio codes ,
this code is made for make the radio useless to a thief !!
only look inside your book owner manual or a manual of the radio !
somewhere it supposed to have the code and a way to enter the code ,
somewhere in those books the code is printed like a ink pad stamp !
when you change the battery you need to inter the code each time,
power up the radio with the number pad enter the code
you must do step by step like the manual of the radio say !!!!!
or call your car dealer it could help you
if you dont have the code the radio is useless

Aug 27, 2015 | Nissan Primera Cars & Trucks

1 Answer

Security code for Radio


Security code for radio should be on the card in the owner manual ,
it will also have all other key numbers etc..

or you can retrieve it with tech2.

Holden should also have it on there computer system as long as the radio is the orginal..

May 15, 2013 | 1999 Holden VT

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Please help me to get the code number to unlock the radio for honda crv 2003


    • 1 Look in your owner's manual booklet for your radio anti-theft code. The code is printed on a small card (similar to a credit card) and included with your owner's manual. If you can find the code, skip to Step 5.
      If you cannot find the code, you'll need to retrieve it.
    • 2 Turn your ignition off to begin retrieving your radio code. Press and hold the "1" and "6" preset buttons on your radio. Turn your ignition on.
    • 3 Write down the code displayed on your radio. The display will flash with two numbers: one beginning with a "U" and one beginning with a "L." Write down both numbers (beginning with the "U" number), and then disregard the "U" and the "L."
      This number (eight digits) is your radio serial code. You'll need it to retrieve your radio anti-theft code.
    • 4 Contact Honda to retrieve your radio anti-theft code. You'll need your 17-digit Vehicle Identification Number, found beneath the driver's side of the windshield and your radio serial code. Honda's customer service number is (800) 999-1009. Provide the representative with the information to acquire your radio anti-theft code.
      You can also retrieve your radio anti-theft code online for free at https://radio-navicode.honda.com/
    • 5 Turn your ignition to "Acc" or "On" to power on your radio. Enter your radio anti-theft code using the preset buttons at the bottom of your radio. For example, if your anti-theft code is "55512," you would press the "5" button three times, then the "1" button, then the "2" button. This will unlock and reset your Honda radio.

Oct 09, 2011 | 2003 Honda CR-V

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Need radio code for a 2003 Honda serial numbers areU1110 L9512


The battery was disconnected from my vehicle and now my radio display is flashing "CODE" and the radio doesn't work. Where can I find my radio code? If an audio unit with theft protection is disconnected from electrical power, you must enter a unique code into the unit or it will not work. This code and the audio unit's serial number are listed on the anti-theft ID card that comes with the vehicle. If this card is lost, you must obtain the audio unit serial number in order to get the radio code. Once you have the audio unit serial number, you can go to the Radio & Navigation System Micro-site to retrieve your radio code. Some newer vehicles allow you to retrieve the audio unit serial number electronically from the radio. Refer to your owner's manual for the specific procedure. Most older vehicles (model year 2003 and older) require a visit to the dealer in order to retrieve the audio unit serial number. If dealer assistance is required to retrieve your serial number, the dealer will be able to provide the radio code as well. They do charge a fortune for this service BUT>>>>.... this website is so much cheaper to obtain along with detailed instructions http://www.radio-code.com/?gclid=CMr1lJPqn6kCFU5qKgodUDlDxA

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After reconnecting battery radio will not work. LOC appears on screen. power switch has no effect . how do i fix?


Hello.... LOC means that a customer code has been stored into the radio for security reasons. At this point the only code that can be retrieved is the backup code. This code can be retrieved by the dealer. From this code they can get the customer code. If this is not a option may I recommend getting a new radio....

Good Luck

May 17, 2010 | 1991 Chevrolet Camaro

1 Answer

Volvo radio not work


notify a dealer the radio un-loc code is part of ur security system dealer has access to the radio code- call first they can also advise on how to retrieve the radio id code which will also be needed or if have vehicle manual in it explains how to get radio id code[ number]

Feb 22, 2010 | 1993 Volvo 940

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notify dealer for un-loc code its part of ur security system call first they can advise how to retrieve the radio id code which is also needed if u have ur manual in it has how to retrieve to radio id number

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