As promised, I had a look... no label that I could find anywhere, but the FSM has the answer (hidden inside text of course).
The Standard Procedure - Refrigerant Recovery is on P 24.51
The Standard Procedure - Refrigerant System Evacuate is on the same page
The Standard Procedure- Refrigerant System Charge is on P 24.52
Hmm, they do say the capacity is on the underhood HVAC tag, but I only found an emissions tag... let me have a closer look! I wonder if I somehow washed it off during one of my engine washes...