Question about Garmin Nuvi 660 GPS Receiver

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Garmin 650 Pin Reset

I have a Garmin 650 that I have forgotten the pin to, as I haven't used it in a long time. I thought it was lost when my car was totaled and it went with it. However, I have the main unit, but all the power adapters, etc. were lost with the car. Can you tell me how to reset the pin? I lived a long way away when I got it, so I can't go to the security place (my old home).

Thanks!

Posted by on

  • morcurran Dec 29, 2007

    lost my garmin pin number

  • boboc261 May 11, 2010

    lost pin number

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Call your old address and ask if you can mail them the GPS and have them take it out in the driveway and open it and set the pin to whatever you want and mail it back.

Posted on Jun 10, 2009

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According to the instructions once the PIN is set there are only 2 ways to unlock the unit.
#1 go to your "Security Place" (too far away for you)
#2 send it back to Garmin with proof of valid registration or proof of purchase.
There's may be a special reset button inside the unit, the main battery and/or if it has a backup battery may have to be disconnected, it may use flash memory and Garmin would have some sort of re-programmer to erase the old PIN. (I'm not suggesting or recommending taking your Garmin apart).
At least it's good to know that if stolen, it's not easy for the thief to reset and use it.

Posted on Jan 01, 2008

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Garmin most likely have a software that can still communicate with the NUVI even if it is locked and restore the settings to factory default.

Posted on Jan 30, 2008

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Send your locked Nuvi to me, I have developed a machine to unlock them.

Posted on Jun 24, 2010

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I took my locked nuvi apart , i tryed disconnecting all power to the unit batt and all . nothing, there are alot of contact points on the board and all are labled with abbrev google the abbrev to find which clears the unit or try holding down the power button while powering on the unit continue to hold it, this is how the pin unlock program is used and it needs to be on a sd card , hack hack hack never give up

Posted on Dec 08, 2008

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1 Answer

I have forgotten the pin code for my unit and now cant use it, is there a default/reset code


As part of Garmin's security lock to prevent the use of the unit in case of theft, there is no reset. The unit has to be sent to Garmin to be reset. If a home address was set for the unit, it can be unlocked by returning it to the exact location where it was set (within about 30 feet) and it will unlock and allow you to reset your pin.
This link explains the Garmin Lock.
http://www8.garmin.com/uk/garminlock/index.jsp

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I forgot my pin and I need to unlock it


You have to go to the orig location you programmed your number. It uses the coordinates of that location in memory as a "Home" See below.
The Garmin Lock is a theft-deterrent system that locks your nuvi. Each time you turn the on the nuvi, you would have to enter the PIN or drive to the security location.
To set the Garmin Lock on the device:
  1. From the Main Menu, touch the Wrench (Tools) icon.
  2. Touch Settings.
  3. Touch Security. (you may need to touch the down arrow button)
  4. Touch the tab labeled Off next to the Garmin Lock heading.
  5. The nuvi will prompt you to enter a four-digit pin number.
  6. Enter a four-digit code as your pin.
  7. Re-enter the four-digit pin.
  8. Go to a 'Security Location' and let the unit acquire satellites (the security location will unlock the unit if the pin is forgotten or lost).
  9. Set the 'Security Location' by touching Set.
The Garmin Lock has now been turned On.

Dec 25, 2009 | Garmin nuvi 260W GPS Receiver

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I recieve a garmin as a gift @ it now has a code lock on it how can i unlock my garmin 260


The Garmin Lock is a theft-deterrent system that locks your nuvi. Each time you turn the on the nuvi, you would have to enter the PIN or drive to the security location. (where it was orig programmed)
To set the Garmin Lock on the device:
  1. From the Main Menu, touch the Wrench (Tools) icon.
  2. Touch Settings.
  3. Touch Security. (you may need to touch the down arrow button)
  4. Touch the tab labeled Off next to the Garmin Lock heading.
  5. The nuvi will prompt you to enter a four-digit pin number.
  6. Enter a four-digit code as your pin.
  7. Re-enter the four-digit pin.
  8. Go to a 'Security Location' and let the unit acquire satellites (the security location will unlock the unit if the pin is forgotten or lost).
  9. Set the 'Security Location' by touching Set.
The Garmin Lock has now been turned On.

Nov 08, 2009 | Garmin nuvi 260W GPS Receiver

1 Answer

I forgot the pin #


According to Garmin manuals, if a PIN is forgotten, it will have to be returned to them for a reset.

Get *free* help directly from Garmin Customer Support:

Monday - Thursday: 8 AM - 6 PM, Friday 8 AM - 5 PM Central Time (closed holidays)
US: 913-397-8200
US Toll Free: 1-800-800-1020
Canada: 1-866-429-9296

Sep 11, 2009 | Garmin GPS

1 Answer

How do I reset pin number as my husbands son must have messed with it before he put in a pin number . I cannot find any reset button.


Question: How do I unlock my device if I have forgotten the PIN number?
Answer: If you have a Garmin Lock on your nuvi, zumo or StreetPilot c500 series and you have forgotten your 4 digit PIN number you can unlock the device by returning to your Security Location. The Security Location is the location that you set when you first enabled the Garmin Lock on your device. Returning to the Security Location will unlock your device.

If you have forgotten your PIN and Security Location please contact Product Support for assistance. Please note we will require a copy of the receipt and there will be a charge to unlock the device as this issue is not covered by the warranty.

To contact Product Support in your area go to http://www.garmin.com/garmin/cms/site/us/support/supportcontact

Jul 13, 2009 | Garmin nuvi 260W GPS Receiver

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Help with my GPS garmin nuvi 260


You have a problem my friend. Either remember your pin or

Normal 0 false false false MicrosoftInternetExplorer4 If you have a Garmin Lock on your nuvi and you have forgotten your 4 digit PIN number you can unlock the device by returning to your Security Location. The Security Location is the location that you set when you first enabled the Garmin Lock on your device. Returning to the Security Location will unlock your device. (Approximately 150 feet from that location)

If you have forgotten your PIN and Security Location please contact Product Support for assistance. Please note Garmin will require a copy of the receipt and there will be a charge to unlock the device as this issue is not covered by the warranty.


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1 Answer

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The unit should reset at your safe location, if not call Garmin customer support. 0808 238 0000

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You cannot unlock (or "reset") a locked unit without the PIN number or going to the location where the PIN was set. The only other option you have is to send the unit to Garmin.

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