Lexus RX 450h 2010 Owner's Manual page 637

6-1. Specifications
Brakes
*
Pedal clearance
Pedal free play
Brake pad wear limit
Parking brake lining wear limit
Parking brake pedal travel
Fluid type
1
*
: Minimum pedal clearance when depressed with a force of 112 lbf (500 N, 51
kgf) while the hybrid system is operating
2
*
: Parking brake pedal travel when depressed with a force of 67.4 lbf (300 N,
30.6 kgf)
Steering
Free play
636
1
3. 9 in. (99 mm) Min.
0.04
0.04 in. (1.0 mm)
0.04 in. (1.0 mm)
2
*
5
SAE J1703 or FMVSS No.116 DOT 3
Less than 1.2 in. (30 mm)
 0.08 in. (1 
 8 clicks
2 mm)