Lexus GS430 User Manual page 615

G64023
1. Turn the bolt A in either direction using a Phillips−head
screwdriver. At this time, keep the turning direction and
number of turns in mind.
ELECTRICAL COMPONENTS
G64024
2. Turn the bolt B the same number of turns and in the same
direction as step 1 using a Phillips−head screwdriver.
If you do not know or cannot find the original position, or if you
feel that there is a large deviation, take the vehicle to your
Lexus dealer to adjust the headlight aim.
After adjusting the headlight in the vertical direction, check that
the light has been shifted from the adjusted position in the
horizontal direction.
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