Lexus GS 450h 2008 Owner's Manual page 474

4-3. Do-it-yourself maintenance
■
Before checking the headlight aim
Make sure the vehicle has a full tank of gas and the area around
STEP 1
the headlight is not deformed.
Park the vehicle on level ground.
STEP 2
Sit in the driver' s seat.
STEP 3
Bounce the vehicle several times.
STEP 4
■ Adjusting the headlight aim
Low beam (vertical adjustment)
472
Using a Phillips-head screw-
driver, turn adjustment bolt A so
that the bubble is within the 2
center lines.
Remember the turning direction
and the number of turns.
Turn bolt B the same number of
turns and in the same direction
as step 1.