Lexus GS430 2006 Scheduled Maintenance Guide / LEXUS 2006 GS430/GS300 FROM JAN. 2006 PROD. (OM30786U) Manual PDF

SWITCHES
47
G12002
The automatic light control sensor is on top center of the
instrument panel.
Do not place anything on the instrument panel, and/or do not
affix anything on the windshield to block this sensor.
When the headlights come on, the lights automatically turn off
about 30 seconds after any of the doors is opened and closed
with the engine switch off.* To turn them on again, select the
engine switch in “IG− ON” mode, or turn the headlight switch off
and then twist the knob until the first or second clickstop.
If you are going to park for over one week, make sure the
headlight switch is off.
When the headlight switch is on with all the doors locked and
the trunk closed, pushing the ”LOCK” button on the electronic
key turns off the headlights.
NOTE:
*The time before turning off the lights can be changed.
Ask your Lexus dealer for details. Daytime Running Light System
The headlights turn on at reduced intensity when the parking
brake is released with the engine started, even with the light
switch in the ”OFF” position. They will not
go off until the engine
switch is turned off.
To turn on the other exterior lights and instrument panel lights,
twist the knob to the first clickstop.
Twist the knob to the second clickstop to turn on the headlights
to full intensity for driving at night.
When setting the knob to the third clickstop (”AUTO”), the
headlights will automatic ally adjust to full intensity and/or turn
on the other lights depending on the darkness of the
surroundings. Likewise, as the surroundings become brighter,
the headlights will turn to reduced intensity, ultimately turning
off the other lights.
NOTICE
To prevent the battery from being discharged, do not
leave the lights on longer than necessary when the
engine is not running.

SWITCHES
48
Automatic headlight leveling system
The headlight beam level is always maintained automatically
at the proper level in all loading conditions so that your
headlights do not dazzle other road users.
If there is a problem somewhere in this system, the message
“CHECK HEADLIGHT” appears on the multi−information
display. At this time, the master warning light comes on and a
warning tone sounds. If the warning message appears, have
your vehicle checked by your Lexus dealer as soon as
possible.
Adaptive Front Lighting System (AFS)
Adaptive Front Lighting System (AFS) provides the proper
headlight beam level according to the current driving
conditions. T his system moves the headlight beam left or right
according to the turning angle of the tires. The synergy of this
system and the automatic headlight leveling system improves
visibility at the intersections and curves.
The system operates when the vehicle speed increases above
10 km/h (6 mph), and stops when the vehicle speed drops
below 10 km/h (6 mph).
The system can operate within the limited range of the tires
turning angle. If you do not want to activate the system, you can cancel
the system.
Adaptive Front Lighting System cancel switch is located in the
switch box.
G12017
Push the button to use the switch box. To cancel the
system, push the “AFS OFF” switch. To turn it on, push
it again.
When the system is canceled, the “AFS OFF” indicator lights
up in the instrument cluster.
If the system fails, the indicator light in the instrument cluster
will flash. If this occurs, have your vehicle checked by your
Lexus dealer.
After operation, be sure to close the switch box to its original
position.

SWITCHES
49
CAUTION
To reduce the chance of injury in case of an accident or
a sudden stop, keep the switch box closed when not in
use while driving.
HEADLIGHT DIMMER AND TURNSIGNAL SWITCHES
G12004
For high beam, push the lever forward. Pull it back for low
beam. For the headlight flasher, pull it further back.
A blue light in the instrument cluster indicates high beam or
headlight flasher is on.
The headlight flasher works even when the headlight switch is
off.

SWITCHES
50
G12005
For signaling turns, move the lever up or down in the
conventional manner.
The engine switch must be selected in “IG−ON” mode.
The turn signal is self −cancelling after a turn, but after a lane
change, you may have to cancel it by hand. You can also signal
a lane change by moving the turn signal lever partway and
holding it there.
If the green light in the instrument cluster flashes faster than
normal, it indicates that the front or rear turn signal bulb has
burned out. If this indicator light does not come on, the fuse
or the indicator light itself has probably failed.
FOG LIGHT SWITCH
G12006
To turn on the fog lights, twist the band of the headlight
lever to the fog light mark. They will come on only when
the headlights are on low beam.
When the fog lights are on, the indicator lights up in the
instrument cluster.

SWITCHES
51
WINDSHIELD WIPER AND WASHERSWITCHES
Variable intermittent wipers
G12007
 1Interval adjuster 2Washer on
To turn the wipers on, move the lever down until you reach
the desired speed setting.
The engine switch must be selected in “IG −ON” mode.
There are 3 settings:
”INT” position: Intermittent operation
”LO” position: Low speed operation
”HI” position: High speed operation
Twist the interval adjuster upward to increase the wiping
time interval between sweeps, and downward to decrease
it. The wiper lever must be in the ”INT” position.
The time interval between sw
eeps is shortened when the
vehicle speed increases. When the vehicle speed reaches
more than about 20 km/h (12 mph) with the interval adjuster
twisted down to the lowest position, the time interval becomes
the shortest 1.5 seconds.
If you stop the vehicle with the wiper switch in the “LO” position,
the wiper speed automatically changes from low speed to
intermittent operation speed.* This function does not work with
the interval adjuster twisted down to the lowest position.
NOTE:
* This feature can be deactivated.
Ask your Lexus dealer for details.
For mist wiper operations (a single wipe), pull the lever up
and release it.
To make the washer squirt, push the lever toward you and
release it.
If the wiper lever is in the “OFF” position, the wipers will
automatically make 3 wipes and then a single wipe later to
sweep the windshield completely.* The interval between the
3 wipes and the last wipe will depend on the vehicle speed.
The last sweep does not happen if the vehicle speed exceeds
about 170 km/h (106 mph). NOTE:
*This function can be changed as follows: The time before the last single wipe can be set for
about 3 seconds.
 The last single wipe can be deactivated.
Ask your Lexus dealer for details.

SWITCHES
52The warning message “LOW WASHER FLUID” is displayed in
the multi−information display when the fluid level in the tank
becomes
very low. For information on adding washer fluid, see
“Adding washer fluid” on page 589.
In cold weather, warm the windshield with the defroster before
using the washer. This will help prevent icing, which could
block your vision.
NOTICE
Do not operate the wipers if the windshield is dry. It may
scratch the glass.
Rainsensing windshield wipers
G12008
 1 Automatic control adjuster 2Washer on
To turn the wipers on, move the lever down until you reach
the desired speed setting.
The engine switch must be selected in “IG −ON” mode.
There are 3 settings:
“AUTO” position: Automatic operation
“LO” position: Low speed operation
“HI” position: High speed operation

SWITCHES
53
Automatic operation*
The wiper speed is determined by the vehicle speed and
the amount of raindrops and sunlight detected by the
automatic wiper control sensor.
Twist
the automatic control adjuster in the “–” direction to
lower the sensitivity, and the “+” direction to boost the
sensitivity.
G12009
The sensor is on the inside of the windshield as shown above.
NOTE:
*Automatic operation can be changed to an intermittent
operation.
Ask your Lexus dealer for details. With the engine switch turned off, if the windshield sensor is
touched by reason
of cleaning the windshield or for any other
reason, either of the following operations may cause automatic
wiper activation.
 Turning the engine switch on with the wiper lever in the
“AUTO” position.
 Turning the engine switch on and move the wiper lever
down in the “AUTO” position.
Even with the wiper lever in the “AUTO” position, the system
will switch to intermittent operations if the system malfunctions.
The system will turn off if the windshield gets extremely hot (at
more than 80C or 176F) or cold (at less than –10 C or 14F).
When the engine switch is turned off with the wiper lever in the
“AUTO” position, and then the engine switch is turned on
again, the automatic operation may not work even if raindrops
are on the windshield.
In this case, move the lever to another position and return it to
the “AUTO” position again.

SWITCHES
54
CAUTION
Be careful not to get your fingers caught between the
wipers and windshield.
When the wiper lever is in the “AUTO” position with the
engine switch on, the wipers could operate
automatically in the following cases:
 If you touch the upper center of the windshield
adjacent to the sensor.
 If you wipe the upper center of the windshield
(adjacent to which the sensor is located) with a towel.
 If the windshield vibrates.
 If you touch the sensor.
For mist wiper operations (a single wipe), pull the lever up
and release it.
To make the washer squirt, pull the lever toward you and
release it.
If the wiper lever is in the “OFF” position, the wipers will
automatically make 3 wipes and then a single wipe later to
sweep the windshield completely.* The interval between the
3 wipes and the last wipe will depend on the vehicle speed.
The last sweep does not happen if the vehicle speed exceeds
about 170 km/h (106 mph).
NOTE:
*This function can be changed as follows: The time before the last single wipe can be set for
about 3 seconds.
 The last single wipe can be deactivated.
Ask your Lexus dealer for details.
The warning message “LOW WASHER FLUID” is displayed in
the multi−information display when the fluid level in the tank
becomes very low. For information on adding washer fluid, see
“Adding washer fluid” on page 589.
When the headlights are on and the washers are activated by
pushing the windshield washer switch, the headlight cleaner
operates once automatically.
In cold weather, warm the windshield with the defroster before
using the washer. This will help prevent icing, which could
block your vision.
The rear window and outside rear view mirror defogger
automatically turns on when you operate the wipers.

SWITCHES
55
NOTICE
Do not operate the wipers if the windshield is dry. It may
scratch the glass.
Shifting the windshield wiper position
G12020
 1Rest position 2Retracted position
The wiper blades retract under the hood when the wipers are
turned off.
In the following cases, the wipers should be shifted from the
retracted position to the rest position above the hood level.
 When cleaning the windshield
 When inspecting or replacing the wipers
 When the retraction may be obstructed by snow, etc., at the
bottom of the windshield
Other than the above cases, keep the wipers in the retracted
position.

SWITCHES
56
G12021
 More than 10 cm (3.9 in.)
To shift the windshield wipers from retracted to rest
position, hold the connection of the wiper arm and wiper
blade and pull it upward along the windshield glass with
the force of about 98 N (10 kgf, 22 lbf.).
NOTICE
To prevent the wiper blades from being deformed, be
sure to hold the connection of the wiper arm and wiper
blade securely.
G12022
To return the windshield wipers to retracted position,
push the connection of the wiper arm and wiper blade
downward.
NOTICE
To prevent the wiper blades from being deformed, be
sure to hold the connection of the wiper arm and wiper
blade securely.