Do-it-yourself maintenance -> Headlight aim for Your Toyota Prius 4 Door Fourth Generation (2016-2022)

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6-3. Do-it-yourself maintenance  
Headlight aim  
Vertical movement adjusting bolts  
1
2
Adjustment bolt A  
Adjustment bolt B  
Before checking the headlight aim  
1
Make sure the vehicle has a full tank of gasoline and the area  
around the headlight is not deformed.  
2
Park the vehicle on level ground.  
3
Sit in the driver’s seat.  
4
Bounce the vehicle several times.  
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555  
6-3. Do-it-yourself maintenance  
Adjusting the headlight aim  
1
Using a Phillips-head screw-  
driver, turn bolt A in either direc-  
tion.  
Remember the turning direction  
and the number of turns.  
2
Turn bolt B the same number of  
turns and in the same direction  
1
as step  
.
If the headlight cannot be adjusted  
using this procedure, take the vehi-  
cle to your Toyota dealer to adjust  
the headlight aim.  
6
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