Question for some sound
 

I feel sorry for asking questions as soon as I signed up.
I am now facing the following problem. I still don't know if this is a normal sound. I sent a question to Mazda about this, but I did not receive an answer.
Why does my Mazda CX 5 make a sound(like electric sound/Alerts) every time it leaves after a stop?
Why does my Mazda CX 5 make a sound whenever changing lanes? What I change the lane make a sound like a click(mechanical sound, not electrical one). It looks kind of notification about lane change.

Thanks