Hello welcome to just answer I am master tech and will be able to assist you today.
The cause for this failure is from a failed hands free link unit. It will need to be replaced
Very common problem
oh, it is common :(is it difficult to replace by a lamen?
No its very simple. The unit is located in the center console behind thr vent controls
ok, I just found this thread explaining it. http://www.mdxers.org/forums/74-2007-2013-acura-mdx/45967-bluetooth-handsfree-2007-stopped-working.html
Do you know the part #?
I will need your vin #
I can look it up when I get back from lunch
Great, thanks for your help. This is a very cool service.
looks like the chat box just crashed.
let me look up the part # XXXXX you. this will be a dealer item only.
here is the location and what the unit looks like in the center console.