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Home >> Acura >> 2004 >> TL Automatic >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Navigation System >> General Troubleshooting Information >> Anti-theft Feature

Anti-theft Feature

The navigation system and audio unit have a coded theft protection circuit. Be sure to get the customer's anti-theft security codes before:

After service, reconnect power to the navigation unit, and turn the ignition switch ON (II). Enter the 4-digit anti-theft security code, then select "Done".

If the code cannot be found, use the interactive Network (i  N) to look it up. You can view the serial number in one of the Navi ECU diagnostic screen (see UNIT CHECK ). Alternatively, you will need the serial number from the navigation unit in the trunk. It is on a label on the underside of the unit.

When replacing the navigation unit, be sure to give the customer the new anti-theft security code.