Lexus IS 350C 2012 Manual page 474

4-3. Do-it-yourself maintenance
■
Adjusting the headlight aim
STEP 1
STEP 2
474
Turn bolt A in either direction
using a Phillips-head screw-
driver.
Remember the turning direction
and the number of turns in mind.
Turn bolt B the same number of
turns and in the same direction
as step 1 using a Phillips-head
screwdriver.
If the error is over the value
specified above, take the vehicle
to your Lexus dealer to adjust
the headlight aim.