Maintenance / 2021 Civic 5Dr · Manual 6-speed · 4 cyl · 2.0 L · Turbo

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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IntervalFollow Maintenance Minder item 7; change every 3 years if no reminder appears within 36 months after resetting item 7.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: Honda Heavy Duty Brake Fluid DOT3 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.
Service requirements: Use Honda Heavy Duty Brake Fluid DOT 3 for the brakes and shared manual-clutch reservoir. DOT 5 is incompatible. DOT 3 or DOT 4 from a sealed container is only a temporary alternative; restore the specified Honda fluid.

Source

2021 Honda Civic Hatchback Owner’s Manual — ATGG2121OM / 31TGG6400

Source ↗

Official hatchback manual. U.S. Maintenance Minder codes and 1.5/2.0 L engine/transmission footnotes are retained separately. The 2.0 L coolant table has an inconsistent gallon/litre pair; its numeric quantity is held pending clarification.

United States, 2021 Civic Hatchback 1.5 L gasoline and 2.0 L Civic TYPE R; exact engine, transmission and equipment restrictions; source inconsistencies retained2021 Civic Hatchback Owner’s Manual, printed page 576 / PDF page 578 (zero-based index 577), Maintenance Service Items, U.S. modelsBrake fluid: 2021 Civic Hatchback Owner’s Manual, printed page 592 / PDF page 594 (zero-based index 593), Brake/Clutch Fluid, specified fluid and manual-transmission shared reservoir