Where is the recharge port for air conditioning unit on a 2006 chevy aveo? on 2006 Chevrolet Aveo

I want to recharge the air conditioninmg unit but i have no manual since i bought it used. Can i do it or do i have to take it somewhere to have it serviced?

2 answers
i rec taken it to a a/c shop or you could cause more damage
Follow the larger diameter aluminum metal pipe near the evaporator connection. It is in that pipe. Read the A/C label before beginning work and do not add more refrigerant than that specified.