In short, the 2012 Honda Civic uses Honda ATF DW-1 for automatic transmissions and Honda MTF for manual transmissions. Do not substitute Dexron-based fluids in the automatic or other non-Honda fluids in the manual unless specifically approved by Honda.
Automatic transmission fluid (for Civics with automatic transmissions)
If your Civic is equipped with the automatic transmission, use Honda ATF DW-1. The following points explain the fluid requirements and important cautions.
- Use Honda ATF DW-1 (automatic transmission fluid) as specified by Honda for the 2012 Civic’s automatic transmission.
- Choose a fluid that explicitly states DW-1 compatibility on the bottle; look for "DW-1" in the product naming or labeling.
- Avoid Dexron II/III, Mercon, or other non-DW-1 fluids unless Honda explicitly approves them for your transmission.
Using the correct ATF DW-1 helps ensure smooth shifting and long-term transmission reliability.
Manual transmission fluid (for Civics with manual transmissions)
For the 5-speed manual transmission, use Honda MTF (manual transmission fluid) designed for Honda manuals. The following notes apply to manual transmissions in the 2012 Civic.
- Use Honda MTF or a product labeled for Honda manuals with the appropriate MTF specification, as listed in the owner's manual.
- Do not substitute Dexron-based fluids or other automatic transmission fluids in the manual transmission unless Honda explicitly approves them.
- Follow the recommended service intervals to maintain gear engagement and clutch feel.
Using the correct MTF helps maintain smooth shifting, proper gear engagement, and the longevity of the manual transmission.
Summary
The 2012 Honda Civic requires Honda ATF DW-1 for automatic transmissions and Honda MTF for manual transmissions. Confirm your specific model and transmission type in the owner's manual, and use fluids that meet the exact Honda specifications to ensure proper performance and longevity.