Maintenance / 2004 Civic Hybrid · Automatic (variable gear ratios) · 4 cyl · 1.3 L · EPA 39/43 mpg city/highway

Brake fluid and inspection

Check the reservoir and inspect any low level, warning light or changed pedal feel before driving. Repeated topping-up is not a repair.

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IntervalReplace every 3 years regardless of mileage; check reservoir level monthly.Verified

01 / Requirements

Configuration-specific service and fitment facts

These sourced values are shared by the specification sheet and the maintenance guides for this exact configuration.

Brake fluid: Original specification: Honda Heavy Duty Brake Fluid DOT3; sealed DOT3 or DOT4 only as a temporary substitute. DOT5 is incompatible. Verified

Fluid handling: Use the specified fresh fluid from a sealed container. Keep it clean and off paint; bleeding and hydraulic repairs require the correct service procedure.

Source

2004 Honda Civic Hybrid Owner’s Manual (CH0404OM)

Source ↗

Honda-hosted original; title and introduction explicitly identify2004 Civic Hybrid. Original equipment and publication-era fluids are retained as dated evidence, not a current replacement-product or supersession claim.

United States model-year2004 Civic Hybrid, four retained EPA Hybrid records19588–19591. MT and CVT branches remain separate. ULEV/AT-PZEV tank variants and ABS-dependent spare tires are not assigned. Not applicable to gasoline1.7L, Si2.0L or GX CNG.Original Honda2004 Civic Hybrid owner manual CH0404OM.pdf, PDF150/printed147, Brake fluid schedule and monthly level checks; exact Hybrid application established by PDF1 and PDF3/printed i.; Original Honda2004 Civic Hybrid owner manual CH0404OM.pdf, PDF151/printed148, Brake fluid schedule and monthly level checks; exact Hybrid application established by PDF1 and PDF3/printed i.; Original Honda2004 Civic Hybrid owner manual CH0404OM.pdf, PDF163/printed160, Brake fluid schedule and monthly level checks; exact Hybrid application established by PDF1 and PDF3/printed i.Brake fluid: Original Honda2004 Civic Hybrid owner manual CH0404OM.pdf, PDF163/printed160, Brake and Clutch Fluid; exact Hybrid application established by PDF1 and PDF3/printed i.