Blue light with phone button

New to the forum and just purchased a 2018 4runner two months ago. The car has this phone button with a blinking blue light. Anyone know what this is for or how I can use it?

 

That’s aftermarket

 

Do you know what it’s for?

 

does it have a stock HU? Sync you phone and press the button

 

It is stock HU. I did press the button earlier and nothing happened. The light blinks blue when the key is off the ignition.

 

Is your phone synced ?

 

Maybe try taking it to your local car audio shop and ask them.

 

The phone is synced with the HU.

 

I’m guessing it’s a button to send/receive calls. Have tried pressing it with an incoming call ?

 

Thanks for your help I will try it later to see what happens if I try to press it while receiving an incoming call. I did press it the other yesterday and nothing came up on the HU.

 

Did you ever figure out what it is?

 

I have not, tried pressing it when someone was calling me and it did not do anything.

 

Is it attached up by the windshield? I also have a blue blinking light, bought the runner used, aftermarket HU, I thought it was a mic, for hands free talk, but truly not sure as I haven’t spent the time to figure it out.

 

I have a blinking blue light on top of the windshield that goes on when I lock the car. The one I have on picture is at the bottom area where the steering wheel is and it blinks when the car is off.

 

It might not be for a phone at all. Pop off that panel and see what it is connected too.

 

I concur. Maybe it was previously owned by the cartel, and by pushing that button it starts a sequence to ultimately open a secret compartment.

OK, OK .. seriously, no clue, but I had to have fun with it.