Mass Effect Legendary Edition

This is the loyalty mission for garus, at some point aboard the normandy you will get a prompt that he wishes to speak to you.

He must be in your party when going to the citadel, after going to the warehouse it will ask you to hail a cab, simply go to the rapid transport station and select factory district

This is Garrus's Loyalty mission. Simply complete it one way or another and youll have this one :)