What type of refrigerant does a 2005 scion tc use?

The 2005 Scion tC uses R-134a as its refrigerant. This type of refrigerant is commonly used in many vehicles manufactured before the widespread adoption of R-1234yf, which is more environmentally friendly. When servicing the air conditioning system, it's important to ensure the correct type and amount of refrigerant is used for optimal performance.