my Saturn needs to be recharged but there is no refill valve. Where is it? How do i do it? Also it says it takes R134c on the but the manuel says R134a. Which one do i use

[fixbear]

Finally, we only address issues for commercial cooking, refrigeration, food prep, and warewashing equipment. Parts Town serves the commercial kitchen industry, and while some manufacturers make both commercial and household appliances, we only work with the equipment designed for commercial applications.