Brake pedal can be pushed nearly completely down to the floor when standing

[ffl]

i have a 2005 h2. in the link i've posted they say that there are normal hissing noises when pushing the brake pedal harder than normal if you have a hydro boost.

did you hear that noise when braking with normal effort?

i only get that nosie when pushing the brake hardly. and i only tested it when the car is not moving.
but honestly i'm not sure how a hydro boost hissing noise exactly sounds like...