The 2019 Toyota Prius Four is equipped with front pedestrian automatic emergency braking, front automatic emergency braking, lane keeping assist, pedestrian detection pre-collision warning system, audible warning pre-collision warning system, visual warning pre-collision warning system, sensor/alert blind spot safety, rear cross traffic alert, lane deviation sensors, driver knee airbags, rearview camera system, front side airbags, rear side curtain airbags, front side curtain airbags, front parking sensors, rear parking sensors, regenerative braking system, 4-wheel abs, emergency braking preparation, anti-lockout power door locks, cornering brake control, auto-locking power door locks, passenger front seat cushion airbags, braking assist, hill holder control, disc rear brake, ventilated disc front brake, dual front airbags, vehicle immobilizer anti-theft system, power brakes, latch system child seat anchors, electronic brakeforce distribution, stability control, traction control, in dash rearview monitor, occupant sensing passenger airbag deactivation, front seatbelt pretensioners, front seatbelt force limiters, front emergency locking retractors, battery disconnect impact sensor, rear emergency locking retractors, front seatbelt warning sensor, fuel cut-off impact sensor.