What oil do you use for a Citroen C2 auto transmission?

For a Citroën C2 with an automatic transmission, it's essential to use the recommended Transmission Fluid specified in the owner's manual. Typically, this would be an oil like ATF (Automatic Transmission Fluid), often meeting the specifications of either Dexron or Mercon, depending on the specific model year and transmission type. Always check the owner's manual or consult with a professional to ensure you use the correct fluid for optimal performance and longevity.