Toyota Prius 2011 Manual page 574

6-1. Specifications
Brakes
* 1
Pedal clearance
Pedal free play
Brake pad wear limit
Parking brake pedal 
* 2
travel
Fluid type
* 1
:Minimum pedal clearance when depressed with a force of 44.1 lbf (196 N,
20.0 kgf) while the hybrid system is operating.
* 2
:Parking brake pedal travel when depressed with a force of 67.5 lbf (300 N,
30.6 kgf).
574
3.07 in. (78 mm) Min.
0.04  0.24 in. (1.0  6.0 mm)
0.04 in. (1.0 mm)
8 11 clicks
SAE J1703 or FMVSS No. 116 DOT 3