Air Conditioning Service Fittings
WARNING: This page is about a different car, the 2018 Chevrolet Trax and 2018 Buick Encore. However, it is still accessible from the selected car via links, so may be relevant.
Service fittings meeting SAE J639 are used on this vehicle for R-1234yf refrigerant. GM has chosen gray caps to designate systems with R-1234yf.
Refrigerant Charge Label Symbols
| Symbols | Description |
|---|---|
| Caution | |
| Air Conditioning System-Mobile Air Conditioning | |
| MAC System Lubricant Type | |
| See Vehicle Service Manual for MAC Service Information | |
| Requires Registered Technician to Service MAC System | |
| Flammable Refrigerant | |
| For Safety System Components Shall Be Replaced-Shall Not Be Repaired or Salvaged for Reuse |