Toyota Yaris Owner's Manual page 237

—Stop, tail, rear turn signal,
back−up and rear fog lights
PS73516
PS73001
230
PS73002
a: Stop light
b: Rear turn signal light
c: Back−up light or rear fog light (driver's
side)
d: Tail light
—License plate lights
PS73519
Use a flathead screwdriver.
PS73520