@Boyington it will be available in go around as per vilas post.
Originally Posted by
Goldenrivett
During a GA, it is only available if you set TOGA (not at FLX/MCT detent).
If you don't set thrust levers at TOGA, as far as the aircraft is concerned, you're not flying a go around; the FMGS won't enter GA phase and you will sequence the flight plan, i.e. you won't have any to waypoint (you won't be able to fly the missed approach in nav mode)