This might work.
Originally Posted by 01ACCORD
Is this an LCD display like my '05 was? I found that when you hold the CD/XM button in for 10 seconds, the display goes dim, holding it again for 10 seconds brings it back.
Nothing in the manual about this. I found it by mistake and had a hell of a time figuring out what I did.
Even the dealer didn't know it did this!
I'm not familiar with the newer OEM radios, but I think this will apply.