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Acura TLX 2020 Service Bulletin page 4

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3.3. Start the engine, and park the vehicle in an open area away from trees, power lines, and tall buildings. Remove
loose articles, cell phones, and electrical accessories near the GPS antenna. Press the VOL/Power AUDIO knob
to turn on the audio-navigation unit. When the Enter code screen appears, press and hold the knob for about 2
seconds. This lets the PCM check that the vehicle's VIN matches the one saved in the unit. You will hear a long
beep when the unit exits the anti-theft mode. Release the knob.
NOTES
If the audio-navigation unit does not exit the anti-theft mode, enter the anti-theft code using the audio touch
screen display.
Anti-theft code labels are no longer included in the vehicle.
If you need the anti-theft code, you can get it from the iN using the audio-navigation unit serial number. You
can easily get that number without removing the audio-navigation unit. To get the serial number and the code,
do this:
Press and hold the INFO, SETTINGS, and BACK buttons at the same time.
At the Select Diagnosis Items screen, select Detail Information & Settings, Unit Check, then ECU
Info. The system runs a short diagnostic, then the audio-navigation unit serial number appears at the
bottom of the screen.
Go to Anti-theft Code Inquiry on the iN, and look up the five-digit anti-theft code.
If the code does not work, call the American Honda warranty department at 310-783-3240. Do not call
Tech Line.
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