Without the HDS
WARNING: This page is about a different car, the 2008 Acura TSX, 2007 Acura TSX, 2006 Acura TSX, 2005 Acura TSX, and 2004 Acura TSX. However, it is still accessible from the selected car via links, so may be relevant.
Make sure you have the anti-theft codes for the audio system and the navigation system (if equipped), then write down the audio presets. Turn the ignition switch OFF. Remove fuses No. 7 (10 A), No. 14 (20 A) and No. 16 (20 A) from the under-dash fuse/relay box (see UNDER-DASH FUSE/RELAY BOX ). Wait at least one minute and then plug them back in. Enter the codes for the audio system and the navigation system (if equipped), then enter the audio presets.