Here is how my '93 worked:
Turn the key on, turn the radio on, enter the code.
If you do it wrong three times (I think it is three) the radio locks
up and you must wait one hour with the radio turned on before trying
You might want to register with Honda Owner Link
One must register, but it is a simple and painless operation. I do not
receive any email from Owner Link, so they must either not send any or
I opted out of them.
There it is possible to download PDF versions of owner's manuals where
the answers to questions like yours can be readily found.
Itinerant astronomy teacher
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