Is it possible to disable the beeps heard outside the car when either locking or unlocking the doors?
Not that I'm aware. I don't like them and wish I could disable them. Can this be done by a service tech? I don't know.
i wish the beeps were louder, personally... i like to just hit the button as i'm walking away and if there's any traffic or any moderate level of noise, i don't hear it lock...
I found this post - where someone states that the beeps were disabled after an accident. http://priuschat.com/Smart-Key-System-Not-...ing-t36301.html 9G Man states that the beeps can be programed at the dealer.