I have read others with ACC move it over.
It is attached to the metal impact bar, on the driver side of the car. Some have moved it over by drilling a new hole for the bracket, and some have trimmed a new lower grill to fit around it.
Yes.
When you open the door, or hit the unlock button (when the car is off), the front line outs have a voltage on them.
If you used any type of LOC for your subs, it will detect this as a remote turn on (even though your radio might be off) and pop one.
I spent about 2 weeks trying...