Originally Posted by
rkkwan
Second, CO arrives at 2A. Ignore all signs about connections. Instead, enter France and go through immigration like one's going to Paris. After exiting immigration, look for signs to walk to 2D. Ignore all signs about shuttle bus/navettes.
^ This is what I do every time in CDG when going to any of the other Terminal 2 concourses, it's worked very well every time.