How do you charge the air conditioner on a 2001 Chevy Prizm?

To charge the air conditioner on a 2001 Chevy Prizm, first, make sure the engine is running and the AC is set to the maximum cool setting. Locate the low-pressure service port, usually found on the larger diameter line near the firewall. Attach the refrigerant can to the port, then follow the instructions on the can to add refrigerant while monitoring the pressure gauge. Be cautious not to overcharge, and if you're unsure, consider consulting a professional.