Toyota 2015 Prius Owner's Manual page 434

3
Remove the reservoir cap.
4
Add brake fluid slowly while checking the fluid level.
Make sure to check the fluid type and prepare the necessary item.
Fluid type
Items
■
Brake fluid can absorb moisture from the air
Excess moisture in the brake fluid can cause a dangerous loss of braking effi-
ciency. Use only newly opened brake fluid.
PRIUS v_OM_OM47887U_(U)
7-3. Do-it-yourself maintenance
FMVSS No.116 DOT 3 or SAE J1703 brake fluid
Clean funnel
I n f o r ma t i o n P r o v i d e d b y :
433
7