Recently I've been having the same problem as others described in this post. I have a '95 SC300 5 speed w/o traction control. I would say the pads are below half worn, but definately not in need of immediate replacement. I haven't added brake fluid, but it is sitting halfway between the Low and High levels marked on the reservoir, so I shouldn't need to. I was planning on flushing the old fluid out of the system, but then decided to be lazy and put it off until the pads need replacing.
Does this car have brake pad wear sensors on it? Any time I've been underneath the car I never noticed anything, but then again I never specifically looked for it.