Quote Originally Posted by awj223 View Post
You can mute it with a short press of the POWER button (and unmute it with another short press), but there's no way to stop the LEDs from flashing other than reprogramming it with a USB flash drive or switching it off.
Will it still be muted when I get back in the car or does it reset after the power goes off? This may work for what I want it for as long as it is not still muted when I get back in.