Lexus ES-300 2001 Manual page 484

ELECTRICAL COMPONENTS
64E087
" 1 Arrow
2 Acceptable range
CHECKING THE HEADLIGHT
AIM
Horizontal movement gauge: The arrow should not
deviate by more than one mark to either side of the
(Vehicles with discharge
gauge.
headlight)
If the arrow is out of the acceptable range of the beam
angle gauge, adjust it using bolt B.
If the error is over the value specified above, take the
vehicle to your Lexus dealer to adjust the headlight aim.
64E079
467