How To Obtain the Audio Unit Serial Number

WARNING: This page is about a different car, the 2011 Honda Pilot, 2010 Honda Pilot, and 2009 Honda Pilot. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: This procedure can only be done after the power has been disconnected once and reconnected to the audio unit, and the audio unit displays CODE when the audio unit is turned on.

Turn the ignition switch to ON (II).
Make sure the audio system is turned off.
Push and hold the preset No. 1 and No. 6 buttons.
While holding the buttons, push the VOL PUSH PWR knob to ON.
Release the buttons and the self-diagnostic function begins.

Fig 1: Identifying Audio Unit Serial Number Location
Courtesy of AMERICAN HONDA MOTOR CO., INC.
The display shows an 8 digit serial number.

Fig 2: Identifying Screen Display - Serial Number 8 Digit
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Use all 8 numbers as the serial number when using the Interactive Network (iN) to retrieve the 5 digit anti-theft code.
To end the self-diagnostic function, turn the audio unit off, or turn the ignition switch to LOCK (0).