Volvo cares about the environment. The air conditioning system in your car contains a CFC-free refrigerant - R134a. This substance will not deplete the ozone layer. The system contains 1.65 lbs (0.75 kg) R134a and
uses ZXL 100PG (type PAG) oil.
NOTE: All maintenance on the climate control systems should be carried out by an authorized Volvo service technician only.
pg. 36 Heating, ventilation and air conditioning (standard unit)