Toyota Prius+ Owner's Manual page 299

 VSC+ (Vehicle Stability Control+)
Provides cooperative control of the ABS, TRC, VSC and EPS.
Helps to maintain directional stability when swerving on slippery road
surfaces by controlling steering performance.
 Hill-start assist control
P. 304
 PCS (Pre-Crash Safety System) (if equipped)
P. 307
 Emergency brake signal (if equipped)
When the brakes are applied suddenly, the stop lights automati-
cally flash to alert the vehicle behind.
PRIUS +_OM_OM47821E_(EE)
2-4. Using other driving systems
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