
6738-2. Steps to take in an emergency
8
When trouble arises
RX350/RX200t_EE_OM48F32E
Master warning light
The master warning light also comes on or flashes in order to indicate that a message
is currently being displayed on the multi-information display.
Multi-information display
If any of the warning messages are shown again after the following actions have
been performed, contact any authorized Lexus dealer or repairer, or another
duly qualified and equipped professional.
If a warning message is displayed
The multi-information display shows warnings of system malfunctions, incor-
rectly performed operations, and messag es that indicate a need for mainte-
nance. When a message is shown, perform the correction procedure
appropriate to the message.
Except F SPORT modelsF SPORT models
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6748-2. Steps to take in an emergency
RX350/RX200t_EE_OM48F32E
The warning lights and warning buzzers operate as follows depending on the
content of the message. If a message in dicates the need for inspection by a
dealer, have the vehicle inspected by any authorized Lexus dealer or repairer, or
another duly qualified and equipped professional immediately.
*: A buzzer sounds the first time a message is shown on the multi-information display.
Messages and warnings
System
warning lightWarning buzzer*Warning
Comes on Sounds
Indicates an important situation, such as when a system related to driving is
malfunctioning or that danger may result if the correction procedure is notperformed
Comes on or flashesSounds
Indicates an important situation, such
as when the systems shown on the multi-information display may be mal-functioning
FlashesSounds
Indicates a situation, such as when
damage to the vehicle or danger may result
Comes
onDoes not sound
Indicates a condition, such as malfunc- tion of electrical components, their
condition, or indicates the need for maintenance
FlashesDoes not sound
Indicates a situation, such as when an
operation has been performed incor- rectly, or indicates how to perform anoperation correctly

6788-2. Steps to take in an emergency
RX350/RX200t_EE_OM48F32E
■System warning lights
The master warning light does not come on or flash in the following cases. Instead, a sep- arate system warning light will come on al ong with a message shown on the multi-infor- mation display.
●“Antilock Brake System Malfunction Visit Your Dealer”:
The ABS warning light comes on. ( P. 667)
●“Charging System Malfunction See Owner’s Manual” (F SPORT models):
The charging system warning light comes on. ( P. 666)
■Warning buzzer
P. 671
NOTICE
■“High Power Consumption Partial Limit On AC/Heater Operation” is frequently
shown
There is a possible malfunction relating to the charging system or the battery may be deteriorating. Have the vehicle inspected by any authorized Lexus dealer or repairer,
or another duly qualified and equipped professional.
Vehicles with a Heated Windshield Defroste r: This message will be displayed when the Heated Windshield Defroster is oper ating. This is not a malfunction.

6898-2. Steps to take in an emergency
8
When trouble arises
RX350/RX200t_EE_OM48F32E
Firmly tighten each wheel nut two or
three times in the order shown in the
illustration.
Tightening torque:
103 N·m (10.5 kgf·m, 76 ft·lbf)
Vehicles with a full-size spare tire:
Reinstall the wheel ornament.
Stow the flat tire, tire jack and all tools.
■The compact spare tire (vehicles with a compact spare tire)
●The compact spare tire is identified by the label “TEMPORARY USE ONLY” on the
tire sidewall. Use the compact spare tire temporarily, and only in an emergency.
●Make sure to check the tire inflation pressure of the compact spare tire. (P. 737)
■When using the compact spare tire (vehicles with a compact spare tire)
As the compact spare tire is not equipped with a tire pressure warning valve and trans- mitter, low inflation pressure of the spare tire will not be indicated by the tire pressure
warning system. Also, if you replace the compact spare tire after the tire pressure warn- ing light comes on, th e light remains on.
■When the compact spare tire is equipped (vehicles with a compact spare tire)
When driving with the compact spare tire installed, the vehicle height will be different than when driving with standard tires.
■If you have a flat front tire on a road covered with snow or ice (vehicles with a compact
spare tire)
Install the compact spare tire on one of the rear wheels of the vehicle. Perform the follow- ing steps and fit tire chains to the front tires:
Replace a rear tire with the compact spare tire.
Replace the flat front tire with the tire removed from the rear of the vehicle.
Fit tire chains to the front tires.
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5
6
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7048-2. Steps to take in an emergency
RX350/RX200t_EE_OM48F32E
■Emergency tire puncture repair kit
●The sealant has a limited life span. The expiry date is marked on the bottle. The sealant should be replaced before the expiry da te. Contact any authorized Lexus dealer or repairer, or another duly qualified an d equipped professional for replacement.
●The sealant stored in the emergency tire puncture repair kit can be used only once to temporarily repair a single tire. If the seal ant has been used and needs to be purchased, contact any authorized Lexus dealer or repairer, or another duly qualified and
equipped professional. The compressor is reusable.
●The compressor can be used repeatedly.
●The sealant can be used when the outside temperature is from -40 C (-40F) to 60C
(140 F).
●The kit is exclusively designed for size and type of tires originally installed on your vehi- cle. Do not use it for tires that a different size than the original ones, or for any other
purposes.
●If the sealant gets on your clothes, it may stain.
●If the sealant adheres to a wheel or the surface of the vehicle body, the stain may not be
removable if it is not cleaned at once. Immediately wipe away the sealant with a wet cloth.
●During operation of the kit, a loud operatio n noise is produced. This does not indicate a
malfunction.
●Do not use to check or to adjust the tire pressure.
■If the tire is inflated to mo re than the recommended level
Disconnect the hose from the valve.
Disconnect the hose from the valve, remove the air release cap from the hose and then reconnect the hose.
Turn the compressor switch on and wait for several seconds, then turn it off. Check that
the air pressure indicator sh ows the recommended level. (P. 737) If the air pressure is lower than the reco mmended level, turn the compressor switch on again and repeat the inflation procedure un til the recommended pressure is reached.
■After a tire repaired with the emergency tire puncture repair kit
●The tire pressure warning valve and transmitter should be replaced.
●Even if the tire inflation pressure is at the recommended level, the tire pressure warning
light may come on/flash.
Install the air release cap to the end of the
hose and push the protrusion on the air release cap into the valve to let some air out.
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3
4

7178-2. Steps to take in an emergency
8
When trouble arises
RX350/RX200t_EE_OM48F32E
■When exchanging the battery (RX200t)
Use a battery specified for use with the Stop & Start system and equivalent to a genuine battery. If an unsupported battery is used, Stop & Start system functions may be
restricted to protect the battery.
Also, battery performance may decrease and the engine may not be able to restart. Contact any authorized Lexus dealer or repairer, or another duly qualified and equipped
professional.
WARNING
■Avoiding battery fires or explosions
Observe the following precautions to preven t accidentally igniting the flammable gas that may be emitted from the battery:
●Make sure each jumper cable is connected to the correct terminal and that it is notunintentionally in contact with any other than the intended terminal.
●Do not allow the other end of the jumper cable connected to the “+” terminal to come
into contact with any other parts or metal surfaces in the area, such as brackets or unpainted metal.
●Do not allow the + and - clamps of the jumper cables to come into contact with each
other.
●Do not smoke, use matches, cigarette lighters or allow open flame near the battery.
■Battery precautions
The battery contains poisonous and corrosive acidic electrolyte, while related parts contain lead and lead compounds. Observ e the following precautions when handling the battery:
●When working with the battery, always wear safety glasses and take care not to allowany battery fluids (acid) to come into contact with skin, clothing or the vehicle body.
●Do not lean over the battery.
●In the event that battery fluid comes into contact with the skin or eyes, immediatelywash the affected area with water and seek medical attention.Place a wet sponge or cloth over the affected area until medical attention can be
received.
●Always wash your hands after handling the battery support, terminals, and other bat- tery-related parts.
●Do not allow children near the battery.
NOTICE
■When handling jumper cables
When connecting the jumper cables, ensure that they do not become entangled in the cooling fans or engine drive belt.

756What to do if... (Troubleshooting)
RX350/RX200t_EE_OM48F32E
●The seat belt reminder light is flashing
Are the driver and the passengers wearing the seat belts? ( P. 669, 669)
●The parking brake indicator is on
Is the parking brake released? ( P. 259)
Depending on the situation, other types of warning buzzer may also sound.
( P. 666, 673)
●Did anyone inside the vehicle open a door or anything move inside the vehicle
during setting the alarm?
The sensor detects them and the alarm sounds. ( P. 83)
Do one of the following to stop the alarm:
• Unlock the doors using the entry fu nction or wireless remote control. • Start the engine.
●Is the message displayed on the multi-information display?
Check the message on the multi-information display. ( P. 673)
●When a warning light turns on or a warning message is displayed, refer to
P. 666, 673.
A warning buzzer sounds during driving
An alarm is activated and the horn sounds
(vehicles with an alarm)
A warning buzzer sounds when leaving the vehicle
A warning light turns on or a warning message is displayed

758
RX350/RX200t_EE_OM48F32E
Alphabetical index
Alphabetical index
A/C ............................................................ 536
Air conditioning filter........................ 633
Automatic air conditioning
system ..................................................536
Blower customization .....................543
S-FLOW mode................................. 538
ABS (Anti-lock Brake System) ....... 422
Warning light ....................................... 667
Adaptive High-beam System .......... 269
Adaptive Variable Suspension
System.................................................... 423
Air conditioning filter .......................... 633
Air conditioning system ..................... 536
Air conditioning filter........................ 633
Automatic air conditioning
system ..................................................536
Blower customization .....................543
S-FLOW mode................................. 538
Airbag manual on-off system .............. 51
Airbags ........................................................ 40
Airbag manual on-off system ..........51
Airbag operating conditions ........... 47
Airbag precautions
for your child ........................................43
Airbag warning light ........................ 667
Correct driving posture.....................34
Curtain shield airbag
operating conditions ........................ 47
Curtain shield airbag
precautions .......................................... 45
General airbag precautions ............43
Locations of airbags ........................... 40
Modification and disposal
of airbags ...............................................46
Seat cushion airbag............................. 40
Side airbag operating
conditions .............................................. 47
Side airbag precautions.....................43
Side and curtain shield airbags
operating conditions ........................ 47
Side and curtain shield airbags
precautions ...........................................43
SRS airbags ............................................. 40
A