Lexus LS 500 2019 Owner's Manual page 180

180
4-3. Operating the lights and wipers
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 engine switch is turned to
ACCESSORY mode or turned off. (The
lights turn off immediately if
key is pressed after all the doors are
closed.)
When only the tail lights are on: The tail
●
lights turn off automatically if the engine
switch is turned to ACCESSORY mode
or turned off and the driver's door is
opened.
To turn the lights on again, turn the engine
switch to IGNITION ON mode, or turn the
light switch off once and then back to
or .
■ Light reminder buzzer
A buzzer sounds when the engine 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
shield wipers are used, the headlights will
turn on automatically after several seconds
to help enhance the visibility of your vehicle.
■ Battery-saving function
In order to prevent the battery of the vehicle
LS500_OM_(U)_1810
from discharging, if the headlights and/or
tail lights are on when the engine switch is
turned off the battery saving function will
operate and automatically turn off all the
lights after approximately 20 minutes.
When the engine switch is turned to IGNI-
TION ON mode, the battery-saving func-
tion will be disabled.
When any of the following are performed,
the battery-saving function is canceled
once and then reactivated. All the lights will
turn off automatically 20 minutes after the
Battery- saving function has been reacti-
vated:
When the headlight switch is operated
●
on the
● 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.466)
NOTICE
■ To prevent battery discharge
Do not leave the lights on longer than
necessary when the engine is not run-
ning.
Turning on the high beam head-
lights
, if the wind-
1
With the headlights on, push the