Lexus LS500h, Manual, Page: 188 / 524

188
4-3. Operating the lights and wipers
LS500h_OM_(U)_1810
The sensor may not function properly if an
object is placed on the sensor, or anything
that blocks the sensor is affixed to the wind-
shield.
Doing so interferes with the sensor detect-
ing the level of ambient light and may cause
the automatic headlight system to malfunc-
tion.
■
Automatic light off system
●
When the headlights are on: The head-
lights and tail lights turn off 30 seconds
after the driver’s door is opened and
closed if the power switch is turned to
ACCESSORY mode or turned off. (The
lights turn off immediately if
on the
key is pressed after all the doors are
closed.)
● When only the tail lights are on: The tail
lights turn off automatically if the power
switch is turned to ACCESSORY mode
or turned off and the driver’s door is
opened.
To turn the lights on again, turn the power
switch to ON mode, or turn the light switch
off once and then back to
or .
■
Light reminder buzzer
A buzzer sounds when the power switch is
turned off or turned to ACCESSORY
mode and the driver’s door is opened while
the lights are turned on.
■ Automatic headlight leveling system
The level of the headlights is automatically
adjusted according to the number of pas-
sengers and the loading condition of the
vehicle to ensure that the headlights do not
interfere with other road users.
■
Windshield wiper linked headlight illu-
mination
When driving during daytime with the
headlight switch turned to
, if the wind-
shield wipers are used, the headlights will
turn on automatically after several seconds
to help enhance the visibility of your vehicle.
■ 12-volt battery-saving function
In order to prevent the 12-volt battery of the
vehicle from discharging, if the headlights
and/or tail lights are on when the power
switch is turned off the 12-volt battery sav-
ing function will operate and automatically
turn off all the lights after approximately 20
minutes. When the power switch is turned
to ON mode, the 12-volt battery-saving
function will be disabled.
When any of the following are performed,
the 12-volt battery-saving function is can-
celed once and then reactivated. All the
lights will turn off automatically 20 minutes
after the 12-volt battery-saving function has
been reactivated:
● When the headlight switch is operated
● When a door is opened or closed
■
Welcome light illumination control
The parking lights and tail lights automati-
cally turn on at night when the doors are
unlocked using the entry function or wire-
less remote control if the light switch is in
the
position.
■ Customization
Some functions can be customized.
(

P.479)
1
With the headlights on, push the
lever away from you to turn on the
high beams.
NOTICE
■ To prevent 12-volt battery discharge
Do not leave the lights on longer than
necessary when the hybrid system is off.
Turning on the high beam head-
lights