Dot 4 has a higher boiling temperature than dot 3 therefore dot 4 will make the car stop faster than dot 3. Dot 4 is used for racing purposes mainly, but it can also be beneficial when making an emergency hard stop.
Brake Fluid Dot 3 Note: Brake and Clutch fluid are the same
DOT 3 brake fluid
To put brakes pads on a 1994 Honda Civic, you will need Bleed brake fluid.
Check your brake fluid level!
DOT3
Brake fluid type is Dot 3. It should also say on the reservoir cap.
go to a mechanic immediately
NO !
Remove as much fluid from the Civic brake fluid reservoir as possible, using a syringe, turkey baster, etc.. Open the wheel bleeder valves and let the lines drain. Refill the system with new fluid and bleed the lines to finish the fluid change.
Is the brake fluid level LOW in the brake master cylinder in your engine compartment ? If the brake fluid level is LOW that will turn the brake light on in your dash
DOT 3 OR 4
Per Honda Civic manual, at every 3 years independent of mileage !