2006 Lexus GS430 engine

GAUGES, METERS AND SERVICE REMINDER INDICATORS
90
Engine Oil Replacement Reminder (U.S.A. only)
G13035
If the driving range exceeds 4,500 miles after the engine
oil maintenance data is reset, the master warning light
comes on, a warning tone sounds and the above message
appears for about 15 seconds when you select the engine
switch in “IGON” mode.
This message indicates that the engine oil should be replaced
soon. If the message appears, it is recommended to inspect
the engine oil with the engine switch off. For details about
inspection, see “Checking the engine oil level” on page 530.
If the engine oil level is low, engine oil should be replaced.
Have it replaced at your Lexus dealer.
After the engine oil replacement, reset the engine oil
maintenance data and make sure the “OIL MAINT RESET”
appears on the display.
NOTICE
The warning message on the display is based on the
driving range after the engine oil maintenance data
reset. This is not based on the monitoring of dirty
condition of the engine oil.
 Engine Oil Replacement Warning (U.S.A. only)
G13034
If the driving range exceeds 5,000 miles after the engine
oil maintenance data is reset, the master warning light
comes on, a warning tone sounds and the above message
appears.
This message indicates that the engine oil should be replaced
as soon as possible. If the message appears, it is
recommended to inspect the engine oil with the engine switch
off. For details about inspection, see “Checking the engine oil
level” on page 530.
If the engine oil level is low, engine oil should be replaced.
Have it replaced at your Lexus dealer.
After the engine oil replacement, reset the engine oil
maintenance data and make sure the “OIL MAINT RESET”
appears on the display.
NOTICE
The warning message on the display is based on the
driving range after the engine oil maintenance data
reset. This is not based on the monitoring of dirty
condition of the engine oil.

GAUGES, METERS AND SERVICE REMINDER INDICATORS
92
Tire Pressure Warning
G13025
When the low tire inflation pressure is detected while
driving, the tire pressure warning light and master
warning light come on, and the above message appears.
Adjusting the tire inflation pressure will turn off the warning
message. If the message remains on, have your vehicle
checked by your Lexus dealer.
G13024
This message indicates the tire pressure warning system is
initialized. After replacing the tires or wheels, adjust all 4 tires
to specified tire inflation pressure and initialize the tire pressure
warning system. To initialize the system, start the engine and
push the tire pressure warning reset switch for longer than 3
seconds with the vehicle stopped. The above message
appears.
G13026
If there is a problem in the tire pressure warning system,
the tire pressure warning light blinks and master warning
light comes on, and the above message appears.
The tire pressure warning light system is not working properly.
In this case, it is probable that a tire pressure warning valve and
transmitter is malfunctioning or the system is experiencing
signal interference. In the case of signal interference, the
warning message will turn off when the interference ends. If
the tire pressure warning light blinks and master warning light
comes on, and the above message appears frequently, have
your vehicle checked by your Lexus dealer.

GAUGES, METERS AND SERVICE REMINDER INDICATORS
93
Electronic Key System Warning
G13014
In the following cases, the master warning light flashes, a
warning tone sounds and the above message appears.
 An electronic key is not detected in the vehicle when you
push the engine switch. In this case, the above message
appears for 8 seconds.
 An electronic key is not detected in the vehicle because
someone has taken an electronic key outside of the vehicle
without turning the engine switch off. At this time, the
electronic key sounds an alarm. The above message turns
off if you turn the engine switch off or the entry function
detects an electronic key in the vehicle.
In addition to either of the above conditions, if you get out from
the vehicle, having an electronic key when the engine switch
is selected in “IG −ON” mode and the selector lever is in a
position other than “P”, “SHIFT TO P RANGE” and “KEY IS
NOT DETECTED” appear alternately.
G13015
If you get out from the vehicle, having an electronic key
when the engine switch is selected in “IGON” mode and
the selector lever is in a position other than “P”, the
master warning light flashes, a beep sounds inside the
vehicle and the above message appears. When you shift
the selector lever to the “P” position or start driving, the
beeping stops sounding, the above message turns off.
In addition to the above condition, if the entry function does not
detect an electronic key in the vehicle, “SHIFT TO P RANGE”
and “KEY IS NOT DETECTED” appear alternately.
G13016
If the entry function determines that the battery voltage is
low (2V to 3V) when the engine switch is turned off more
than 20 minutes after turned on, the master warning light
flashes, a warning tone sounds and the above message
appears.
If the above message appears, the battery needs to be
replaced. Although you can replace the battery referring to
“Replacing the battery ” on page 34 , we recommend you have
it replaced by your Lexus dealer as it is easy to be scratched.

GAUGES, METERS AND SERVICE REMINDER INDICATORS
94
G13017
If the steering lock is malfunctioning, the master warning
light comes on, the engine switch indicator light blinks
amber and the above message appears.
The engine will not start in this case. Contact your Lexus
dealer as soon as possible.
G13018
If the steering lock is not unlocked due to the load applied
to the steering wheel when pushing the engine switch, the
master warning light comes on, the engine switch
indicator light blinks green and the above message
appears.
The engine will not start in this case. To start the engine, push
the engine switch again while turning the steering wheel in
either direction.
Intuitive Parking Assist Warning
G13077
If icicles, snowflakes or mud gets on the ultrasonic
sensors of the intuitive parking assist when it is on, the
above message appears and the vehicle symbol and
indicator bars continue flashing until the suspected
sensor is cleaned.
Remove the foreign matter or deice the sensor, the intuitive
parking assist returns to normal.
G13076
If the ultrasonic sensor of the intuitive parking assist is
malfunctioning or a sensor cable is broken when it is on,
the malfunctioning sensor flashes, 2 beeps sound 5 times
and the above message appears.
The flashing sensor is disabled, but other sensors work
properly. Have your vehicle checked by your Lexus dealer as
soon as possible.

GAUGES, METERS AND SERVICE REMINDER INDICATORS
96In the above conditions, press the control lever upward in the
“+ RES” direction and release it. The dynamic radar cruise
control will be restored, however, even after the weather
clears, if the setting operation cannot be performed or if the
warning message still appears, the system might have
malfunctioned. Although it is no problem to continue driving,
contact your Lexus dealer.
G13075
If the system malfunction is detected when dynamic radar
cruise control is in the “RADAR READY” mode or
operating, the master warning light comes on and the
“CRUISE” indicator light flashes. At this time a warning
tone sounds and the above message appears.
If this message appears, stop your vehicle in
a safe place, turn
the engine switch off, and then restart it to reset the system.
If the setting still cannot be made or the same message
appears again, the system might have malfunctioned.
Although it is no problem to continue driving, contact your
Lexus dealer.
NOTICE
While you are cruising with the dynamic radar cruise
control on, if the master warning light comes on, the
“CRUISE” indicator light flashes, “CHECK CRUISE
SYSTEM” appears on the multiinformation display and
the warning tone sounds, turn the engine switch off and
then on again. If the function is cancelled again after
setting or if settings cannot be made, the dynamic radar
cruise control system may be malfunctioning.
Although it is no problem to continue driving, have your
vehicle checked by your Lexus dealer.

GAUGES, METERS AND SERVICE REMINDER INDICATORS
98
INSTRUMENT PANEL LIGHTCONTROL
The brightness of the instrument panel lights is
automatically adjusted at the maximum when the engine
switch is turned on.
Using the light control switch, you can also adjust the
brightness as you like. Perform the following operation.
Instrument panel light control switches are located in the
switch box.
G13005
Light control switch
Push the button to use the switch box. And push the light
control switch upward to increase brightness and
downward to decrease it. However, if the brightness is automatically adjusted at the
maximum, pushing the switch cannot change the brightness.
And this switch cannot adjust the brightness of the outside
temperature
display and clock on the instrument panel as well
as the touch screen.
Pushing the “MAX” switch will turn the brightness of all
indicators on the instrument panel at the maximum. The
intensity of the instrument panel lights will not be reduced when
the headlight switch is on with the brightness adjusted at the
maximum using the “MAX” switch.
When the light control switch is turned to minimum, the foot
lights and inside door handle lights will turn off.
After operation, be sure to close the switch box to its original
position.
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.

INTERIOR EQUIPMENT
101
To turn on or off the front and rear lights, push the
interior
light switches.
“ON” switch—Keeps the lights on all the time.
“OFF” switch—Turns the lights off.
“DOOR” switch—If you get close to the vehicle (about 1 m (3
ft.) from each outside door handle, carrying an electronic key
or open a door, all the interior lights come on when the engine
switch is off. However, if the engine switch is already on, only
the interior light near the door you opened comes on.
The light(s) will go off when all the doors are closed. For
details, see “Illuminated entry system” on page 102.
PERSONAL LIGHTS
Front
G14004
Rear
G14005
To turn on the personal light, push the switch. To turn it
off, push the switch again.

INTERIOR EQUIPMENT
103

1
Outer foot lights
2Steering spot light
3Front interior lights (in “DOOR” position)
4Selector lever spot light
5Front personal lights
6Inside door handle lights
7Rear personal lights
8Rear interior lights
9Door courtesy lights
10Foot lights
11Front scuff lights
The outer foot lights, steering spot light and front and rear
interior lights will come on when you get close to the
vehicle (about 1 m (3 ft.) from the outside door handle),
carrying an electronic key, or open the door.* After all the
doors are closed, the lights remain on for about 15
seconds and then fade out.** (For details, see “Outer foot
lights” on page 212.)
NOTE:
*When you open a door other than the driver’s door, the front
and rear interior lights near the door you opened comes on.
**The duration of lighting can be changed.
Ask your Lexus dealer for details.
However, in the following cases, the lights go out immediately:
 All the doors are closed and the engine switch is selected
in “ACC” or “IG −ON” mode.
 All the doors are locked. The foot lights and inside door handle lights will come on
when
any of the doors are opened or the engine switch is
in “IGON” mode. After all the doors are closed and the
engine switch is turned off, the lights remain on for about
15 seconds and then fade out.*
NOTE:
*The duration of lighting can be changed.
Ask your Lexus dealer for details.
However, the lights go out immediately when all the doors are
locked and the engine switch is turned off.
The intensity of the foot lights and inside door handle lights can
be changed with the instrument panel light control switch. The
lights will be turned off when the light control switch is turned
to minimum. (For details, see “Instrument panel light control”
on page 98.)
Front scuff lights and courtesy lights
Front scuff lights and courtesy lights will come on when any of
the doors are opened. After all the doors are closed, the lights
will turn off.