WARNING: This page is about a different car, the 2006 Acura MDX, 2005 Acura MDX, 2004 Acura MDX, and 2003 Acura MDX. However, it is still accessible from the selected car via links, so may be relevant.
Remote control switch use and function.
With "Rear Power ON" and rear control enabled, the rear passengers can control the functions with the remote, except volume.
Fig 1: Remote Control Switch Use And Function (Wireless Remote Control)