2006 LEXUS RX330 service indicator

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(a) Brake System Warning Light and Buzzer
This light comes on in the following cases when the ignition key
is in the “ON” position.
 When the parking brake is applied...
This light comes on for a few seconds when the ignition key is
turned to the “ON” position even after the parking brake is
released.
If the vehicle speed rises above 5 km/h (3 mph) with the parking
brake applied, a buzzer sounds.
 When the brake fluid level is low...
CAUTION
It is dangerous to continue driving normally when the
brake fluid level is low.
Have your vehicle checked at your Lexus dealer in the
following case:
The light does not come on even if the parking brake is
applied when the ignition key is in the “ON” position.
 The light does not come on even if the ignition key is turned
on with the parking brake released. A warning light turning on briefly during operation does not
indicate a problem.
CAUTION
If either of the following conditions occurs, immediately
stop your
vehicle at a safe place and contact your Lexus
dealer.
 The light does not turn off even after the parking
brake is released while the engine is running.
In this case, the brakes may not work properly and
your stopping distance will become longer. Depress
the brake pedal firmly and bring the vehicle to an
immediate stop.
 The brake system warning light remains on together
with the “ABS” warning light.
In this case, not only the antilock brake system will
fail but also the vehicle will become extremely
unstable during braking.

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77
(b) Driver’s Seat Belt Reminder Light and Buzzer
The light and buzzer act as a reminder to buckle up the driver’s
seat belt.
Once the ignition key is turned to the “ON” or “START” position,
the reminder light flashes and buzzer sounds if the driver’s seat
belt is not fastened. Unless the driver fastens the belt, the light
continues flashing and the buzzer stops after about 4 to 8
seconds.
(c) Front Passenger’s Seat Belt Reminder Light
The light acts as a reminder to have the front passenger buckle
up the seat belt.
Once the ignition key is turned to the “ON” or “START” position,
the reminder light flashes if a passenger sits in the front
passenger seat and does not fasten the seat belt.
If luggage or other load is placed on the front passenger seat,
depending on its weight, the reminder light may flash.
(d) SRS Warning Light
The indicator comes on when the ignition key is turned to
the “ON” position. It goes off after about 6 seconds. This
means the SRS airbags and seat belt pretensioners are
operating properly.
This warning light system monitors the airbag sensor
assembly, front airbag sensors, side and curtain shield airbag
sensor assemblies, curtain shield airbag sensor assemblies,
driver’s seat position sensor, driver’s seat belt buckle switch,
front pas senger occupant classification system, “AIRBAG ON”
indicator light, “AIRBAG OFF” indicator light, front passenger’s
seat belt buckle switch, seat belt pretensioner assemblies,
inflators, warning light, interconnecting wiring and power
sources.
If any of the following conditions occurs, this indicates a
malfunction of the airbags or seat belt pretensioners. Contact
your Lexus dealer as soon as possible.
 The light does not come on when the ignition key is turned
to the “ON” position or remains on for more than 6 seconds
or flashes.
 The light comes on or starts flashing while driving.
If the light stays on, it indicates that the driver and front
passenger airbags and/or front passenger occupant
classification system, “AIRBAG ON” indicator light and
“AIRBAG OFF” indicator light fail. If the light flashes, the side
and curtain shield airbags and/or seat belt pretensioners have
a problem.

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78
(e) Charging System Warning Light
This warning light comes on when the ignition switch is turned
to the “ON” position, and goes off when the engine is started.
When there are problems in the charging system while the
engine is running, the warning light comes on.
NOTICE
When the charging system warning light comes on
while the engine is running, malfunctions such as the
engine drive belt being broken may have occurred. If
the warning light comes on, immediately stop the
vehicle in a safe place and contact your Lexus dealer.
(f) Low Engine Oil Pressure Warning Light
This light warns that the engine oil pressure is too low.
If it flickers or stays on while you are driving, pull off the road
to a safe place and stop the engine immediately. Call a Lexus
dealer or qualified repair shop for assistance.
The light may occasionally flicker when the engine is idling or
it may come on briefly after a hard stop. There is no cause for
concern if it then goes out when the engine is accelerated
slightly.
The light may come on when the oil level is extremely low. It
is not designed to indicate low oil level, and the oil level must
be checked using the oil level dipstick.
NOTICE
Do not drive the vehicle with the warning light on —
even for one block. It may ruin the engine.

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(g) Engine Oil Replacement Reminder Light (forvehicles sold in U.S.A.)
This light acts as a reminder when to replace the engine oil.
This light will come on when the ignition key is turned to the
“ON” position and will go off after about a few seconds.
When you drive for about 7200 km (4500 miles) after the
engine oil replacement, this light illuminates for about 3
seconds and then flashes for about 12 seconds with the
ignition key turned to the “ON” position. If you continue driving
without replacing the engine oil, and if the distance driven
exceeds 8000 km (5000 miles), the light will come on after the
ignition key is turned to the “ON” position. The light will remain
on thereafter.
If the light is flashing, we recommend that you replace the
engine oil at an early opportunity depending on the driving and
road conditions. If the light comes on, replace it as soon as
possible. The system must be reset after the engine oil replacement.
Reset the system by the following procedure:
1. Turn the ignition key to the “LOCK” position with the
odometer
reading shown. (For details, see “Odometer and trip
meter” on page 73.)
2. Turn the ignition key to the “ON” position while holding down
the “ODO/TRIP” button.
Hold down the button for at least 5 seconds. The odometer
indicates “000000” and the light goes off.
If the system fails to reset, the light will continue flashing.

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(h) Malfunction Indicator Lamp
This lamp comes on when the ignition key is turned to the
“ON” position and goes off after the engine starts. This
means that the warning light system is operating properly.
If the lamp remains on, or the lamp comes on while driving,
first check the followings.
 Empty fuel tank
If the fuel tank is empty, refuel immediately.
 Loose fuel tank cap
If the fuel tank cap is loose, securely tighten it.
These cases are temporary malfunctions. The malfunction
indicator lamp will go off after taking several driving trips.
If the lamp does not go off even after several trips, contact your
Lexus dealer as soon as possible. If the fuel tank is not empty or the fuel tank cap is not
loose...

There is a problem somewhere in the engine, emission
control system, electronic throttle control system, automatic
transmission electrical system or warning light system itself.
Contact your Lexus dealer as soon as possible to service the
vehicle.
If engine speed does not increase when the accelerator pedal
is depressed, there may be a problem somewhere in the
electronic throttle control system.
At this time, vibration may occur. However, if you depress the
accelerator pedal more firmly and slowly, you can drive your
vehicle at low speeds. Have your vehicle checked by your
Lexus dealer as soon as possible.
Even if the abnormality of the electronic throttle control system
is corrected during low speed driving, the system may not be
recovered until the engine is stopped and the ignition key is
turned to the “ACC” or “LOCK” position.
CAUTION
Be especially careful to prevent erroneous pedal
operation.

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Emissions Inspection and Maintenance (I/M) programs
Your vehicle may not pass a state emission inspection if the
malfunction indicator lamp remains on. Contact your Lexus
dealer to check your vehicle’s emission control system and
OBD (On−Board Diagnostics) system before taking your
vehicle for the inspection.
See “Emissions Inspection and Maintenance (I/M) programs”
on page 533.
(i) “ABS” Warning Light
The light comes on when the ignition key is turned to the “ON”
position. If the anti−lock brake system and the brake assist
system work properly, the light turns off after a few seconds.
Thereafter, if either of the systems malfunctions, the light
comes on again.
When the “ABS” warning light is on (and the brake system
warning light is off), the anti
−lock brake system, the brake
assist system, the traction control system and the vehicle
stability control system do not operate, but the brake system
still operates conventionally.
When the “ABS” warning light is on (and the brake system
warning light is off), the anti−lock brake system does not
operate so that the wheels could lock up during a sudden
braking or braking on slippery road surfaces.

GAUGES, METERS AND SERVICE REMINDER INDICATORS
82If either of the following conditions occurs, this indicates
a malfunction somewhere in the components monitored
by the warning light system. Contact your Lexus dealer as
soon as possible to service the vehicle.

The light does not come on when the ignition key is turned
to the “ON” position, or remains on.
 The light comes on while you are driving.
A warning light turning on briefly during operation does not
indicate a problem.
CAUTION
If the “ABS” warning light remains on together with the
brake system warning light, immediately stop your
vehicle at a safe place and contact your Lexus dealer.
In this case, not only the antilock brake system will fail
but also the vehicle will become extremely unstable
during braking.
(j) Open Door Warning Light and Buzzer
This light remains on until all the side doors and back door are
completely closed.
The light consists of a base light (shape of the vehicle) and 5
separate lights. Each light indicates which door is open.
If the vehicle speed rises above 5 km/h (3 mph) with any door
open, the buzzer will sound and the light keeps flashing until
the door is closed.
(k) Rear Light Failure Warning Light
If this light comes on when the headlight switch is turned on (at
the first or second clickstop), it indicates that one or more of the
tail lights are burned out.
Have defective bulbs replaced as soon as possible.

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(l) “VSC” Warning Light
This light warns that there is a problem somewhere in the
vehicle stability control system or traction control system.
The light will come on when the ignition key is turned to the
“ON” position and will go off after a few seconds.
If the light comes on while driving, the vehicle stability control
system and traction control system do not work. However, as
conventional braking operates when applied, there is no
problem to continue your driving.
In the following cases, contact your Lexus dealer:
 The warning light does not come on after the ignition key is
turned to the “ON” position.
 The warning light remains on after the ignition key is turned
to the “ON” position.
 The warning light comes on while driving.
Tw o −wheel drive models only — The “TRAC OFF” indicator
light will come on when the “VSC” warning light comes on even
if the “TRAC OFF” switch is not pushed.
(m) Automatic Transmission Fluid Temperature Warning Light
(fourwheel drive models only)
This light warns that the automatic transmission fluid
temperature is too high.
If this light comes on while you are driving, slow down and pull
off the road. Stop the vehicle at a safe place and put the
selector lever in “P” and leave the engine idling until the light
goes off. If the light goes off, you can start the vehicle again.
If the light does not go off, call a Lexus dealer or qualified repair
shop for assistance.
NOTICE
Continued driving with the warning light on may
damage the automatic transmission.
(n) Low Washer Fluid Warning Light
This light comes on when the fluid level in the tank becomes
nearly empty. Fill the tank as soon as possible.