Toyota 2014 Prius Owner's Manual page 303

■
Hill-start assist control
→P. 305
■
PCS (Pre-Collision System) (if equipped)
→P. 307
When the TRAC/VSC/ABS systems are operating
2-4. Using other driving systems
The slip indicator light will flash
while the TRAC/VSC/ABS sys-
tems are operating.
2
301