Transmission Fluid - Honda Civic 2021 Owner's Manual

Transmission Fluid

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Continuously Variable Transmission (CVT) Fluid
Specified fluid: Honda HCF-2
Have a dealer check the fluid level and replace if necessary.
Do not attempt to check or change the continuously variable transmission fluid
yourself.
uuMaintenance Under the HooduTransmission Fluid
1Continuously Variable Transmission (CVT) Fluid
NOTICE
Do not mix Honda HCF-2 with other
transmission fluids.
Using a transmission fluid other than Honda HCF-2 may
adversely affect the operation and durability of your
vehicle's transmission, and damage the transmission.
Any damage caused by using a transmission fluid that
is not equivalent to Honda HCF-2 is not covered by
Honda's new vehicle limited warranty.
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