Do not modify your vehicle in a manner that may affect its handling, stability, or reliability, or install non-genuine Honda parts or accessories that may have a similar effect.
Even minor modifications to vehicle systems can affect overall vehicle performance.
Always make sure all equipment is properly installed and maintained, and do not make any modification to your vehicle or its systems that might cause your vehicle to no longer meet federal, state, province, territory, and local regulations.
Do not modify or attempt to repair any of the electrical components.
Honda Civic Owners Manual. Brake/Clutch* Fluid
Specified fluid: Honda Heavy Duty Brake Fluid DOT 3
Use the same fluid for both the brakes and clutch.
Checking the Brake Fluid
The fluid level should be between the MIN
and MAX marks on the side of the reserve
tank.
Manual transmission models
The brake fluid reserve tank is also used for ...