Air Conditioning Sealing Washers Oil or Lubricant Exposure Caution
WARNING: This page is about a different car, the 2022 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
New Air Conditioning sealing washers should never be exposed to any type of oil or lubricant, the rubber material may absorb the oil causing failures during installation or the life of the vehicle.