2006 Lexus GS430 engine

GAUGES, METERS AND SERVICE REMINDER INDICATORS
87
Low Engine Oil Level Warning
G13022
When the engine oil level is too low, the master warning
light comes on, a warning tone sounds, and the above
message appears.
Add oil as soon as possible. (For instructions, see “Checking
the engine oil level” on page 522.)
While driving on steep inclines or rough roads which causes
the vehicle to substantially sway or on curves, this message
may appear due to the movement of engine oil in the engine.
In normal conditions, due to engine oil consumption, this
message may a ppear earlier than the specified service interval
of the scheduled maintenance. This is because the engine oil
is consumed to the low level within the scheduled maintenance
interval and does not indicate a problem. (For detailed
information, see “Facts about engine oil consumption” on page
520.)
NOTICE
Continued engine operation with low engine oil will
damage the engine.
 Engine Oil Maintenance Reset Warning (U.S.A.
only)
G13033
This message indicates that the engine oil maintenance
data has been reset. After replacing the engine oil, be sure
to reset the maintenance data.
To reset the data, perform the following operations:
1. Push the “ODO TRIP” switch in the switch box to
change the display to blank.
2. Turn the engine switch off.
3. Turn the engine switch on with the trip meter “RESET”
switch held down.
4. Keep pushing the “RESET” switch for longer than 7
seconds after the engine switch is turned on.
After the above operation, the master warning light comes
on, a warning tone sounds and the above message
appears to inform you that the engine oil maintenance
data has been reset.

GAUGES, METERS AND SERVICE REMINDER INDICATORS
88
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 522.
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 ignition off. For
details about inspection, see “Checking the engine oil level” on
page 522.
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
90
Tire Pressure Warning
G13025
When the low tire inflation pressure is detected while
driving, the low tire pressure warning light and master
warning light come on, and the above message appears.
If the above message appears, adjust the tire inflation pressure
to the specified level as soon as possible. Push the tire
pressure warning system reset switch for a few seconds and
make sure the warning message goes off. If the message still
remains on, have your vehicle checked by your Lexus dealer
as soon as possible.
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 system reset switch for longer
than 3 seconds with the vehicle stopped. The above message
appears.
G13026
If there is a problem electrically in the tire pressure
warning system, the low tire pressure warning light and
master warning light blink and the above message
appears.
Although it is no problem to continue driving with the above
message on the display, have your vehicle checked by your
Lexus dealer as soon as possible.

GAUGES, METERS AND SERVICE REMINDER INDICATORS
91
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 33 , we recommend you have
it replaced by your Lexus dealer as it is easy to be scratched.

GAUGES, METERS AND SERVICE REMINDER INDICATORS
92
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.
Lexus Park Assist System Warning
G13077
If icicles, snowflakes or mud gets on the ultrasonic
sensors of the Lexus park assist system when the system
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 system
returns to normal.
G13076
If the ultrasonic sensor of the Lexus park assist system is
malfunctioning or a sensor cable is broken when the
system 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
94In 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
96
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 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
99
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 100.
PERSONAL LIGHTS
Front
G14004
Rear
G14005
To turn on the personal light, push the switch. To turn it
off, push the switch again.