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Hi there,
My daughter took my 02 CRV to school and left the lights on which drained the battery. I jumped it but now I can't get the radio/clock to work. I think its some kind of anti-theft feature because its asking for a password. I bought the car on E-bay and don't have an owners manual. Do I have to go to a Honda dealership to solve this problem? Thanks in anticipation for any help....
Larry
 

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You will need to go to a HONDA dealer with your paperwork proving you are the owner and they should be able to give you a radio code (which is needed to make the radio work after you disconnect the battery). This should not cost you anything, but make sure that you write the 4 digit code down for future reference.
 

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Here's the full text from a past March, 2007, Honda Service News article. Remember that this article is intended for dealer technicians, but the part on how to get the radio serial number will help you.

Electronically Retrieving Audio Unit Serial Numbers

Currently Applies To: ’01–07 Accords, ’01–07
Civics, ’02–07 CR-Vs, ’03–07 Elements, ’07 Fits,
’01–07 Odysseys, ’03–07 Pilots, ’06–07 Ridgelines,
and ’02–07 S2000s

If you remove power from an audio unit with theft
protection, you’ve got to enter a unique five-digit antitheft
code into the unit or it doesn’t work. This antitheft
code and the audio unit’s eight-digit serial
number are listed on the anti-theft ID card that comes
with the vehicle. If this card gets lost, you need to get
the anti-theft code from the iN. In order to do that,
you first need to get the audio unit serial number.

Some Honda models let you do that electronically.

Here’s how:
Method 1 (all applicable models except ’03–07
Accords with the navigation system)
1. Turn the ignition switch to ON (II).
2. Turn on the audio unit, and make sure you see
COdE in the display. If you don’t see this
message, pull the backup fuse for 1 minute, and
then go back to step 1.
3. Turn off the audio unit.
4. Press and hold the 1 and 6 preset buttons, then
turn on the audio unit. The display toggles
between two screens. The first screen displays a
U and the first four digits of the serial number (for
example, U2200). The second screen displays an
L and the last four digits of the serial number (for
example, L0055). Ignore the U and L, and write
down all eight digits. Then go to step 5.
5. Enter the eight-digit serial number into the iN to
get the anti-theft code.
• From the main menu, click on SERVICE.
• Click on Vehicle Information.
• Click on Anti-Theft Code Inquiry.
• Select RADIO/CD from the Product list, enter
the serial number from the audio unit display in
the Serial Number field, and click on Submit.
You’ll see the five-digit anti-theft code for that
audio unit.
• Enter the anti-theft code into the audio unit.
Refer to the applicable O/M for details.
Method 2 (’03–07 Accords with the navigation
system)
1. Turn the ignition switch to ACC (I).
2. Turn on the audio unit, and make sure you see
COdE in the upper display. If you don’t see this
message, pull the backup fuse for
1 minute, and then go back to step 1.
3. Turn off the audio unit.
4. Press and hold the top halves of the SEEK/SKIP
and CH/DISC bars, and then press and release
the PWR/VOL knob. This display toggles
between two screens. The first screen displays a
U and the first four digits of the serial number (for
example, U2200). The second screen displays an
L and the last four digits of the serial number (for
example, L0055). Ignore the U and L, and write
down all eight digits. Then go to step 5.
5. Enter the eight-digit serial number into the iN to
get the five-digit anti-theft code.
• From the main menu, click on SERVICE.
• Click on Vehicle Information.
• Click on Anti-Theft Code Inquiry.
• Select RADIO/CD from the Product list, enter
the serial number from the audio unit display in
the Serial Number field, and click on Submit.
You’ll see the five-digit anti-theft code for that
audio unit.
6. Use the TUNE knob to enter the first four digits of
the anti-theft code into the audio unit. (Ignore the
last digit; it’s not used.) When you turn the TUNE
knob, COdE disappears, and a single digit is
displayed. Turn the knob left or right to select
each of the anti-theft code digits. When you press
the TUNE knob, the system beeps and accepts
each digit as it spells out COdE on the display.

.
 

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If you are installing a New JVC Radio it does NOT apply.

The code system is a Honda security idea to make sure that no one wants to steal Your HONDA Radio, Honda will NOT give the access code to just anyone... If you cannot PROVE you own the car they do not give you the code (Theoretically).

So when you install your aftermarket system... you become... a target for car radio thieves! ;)
 
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