Battery Removal and Installation: Notes
WARNING: This page is about a different car, the 2009 Acura MDX, 2008 Acura MDX, and 2007 Acura MDX. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
The battery terminal disconnection/reconnection procedure must be done before and after doing this procedure. Some systems store data in memory that is lost when the battery disconnected.