Wireless remote control does not work (source select buttons)

WARNING: This page is about a different car, the 2013 Acura MDX, 2012 Acura MDX, 2011 Acura MDX, and 2010 Acura MDX. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

Check the wireless remote control battery condition first.
You need to switch the audio-navigation unit REAR PWR button on for the rear display, remote controls, and sound to operate.

Check the wireless remote control operation.
Does the source select button operate?

YES -Operation is normal at this time.

NO -Go to step 2.
Check the diagnosis menu 1. CONNECT status of the rear entertainment system self-diagnostic
Is the device connect condition OK?

YES -Replace the wireless remote control battery , and recheck. If the symptom is still present, replace the wireless remote control.

NO -Repair the connection for the device that has a connection error indicated.