A 2002 Kia Rio takes the brake fluid known as DOT3. It is the standard type of fluid used in cars with power brakes.
In the brake fluid reservior located on top right side of engine.
DOT3
in the master cylinder resivore ; )
The clutch on a 98 cav. is hydrolic and has no adjustment. If still full of fluid "brake fluid"needs replaced.
almost out of brake fluid,check this immediately.
IN THE BRAKE MASTER CYLINDER RESERVOIR.
little over a pint
The brake fluid is contained in a translucent reservoir with a black cap on the driver's side firewall. To add brake fluid, remove the cap and fill to the appropriate level on the dipstick indicator.
In my experience I have noticed it comes on when I am low on brake fluid
Replace the leaking part
( DOT 3 brake fluid ) meeting Ford specification ( ESA-M6C25-A ) according to the Owner Guide