Page 717 of 776

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.
Page 738 of 776
7389-1. Specifications
RX350/RX200t_EE_OM48F32E
Compact spare tire (if equipped)
■When towing a trailer (vehicles with towing package)
Add 20.0 kPa (0.2 kgf/cm2 or bar, 3 psi) to the recommend ed tire inflation pressure, and drive at speeds below 100 km/h (62 mph).
■When installing a compact spare tire (vehicles with a compact spare tire)
Do not tow if your vehicle has a compact spare tire installed.
A: Wedge base bulbs (amber)
B: Wedge base bulbs (clear)
*1: Vehicles with single-beam headlights
*2: Vehicles without door trim ornament lights
Tire sizeT165/90D18 107M
Spare tire inflation pressure
(Recommended cold tire inflation pressure)420 kPa (4.2 kgf/cm2 or bar, 60 psi)
Wheel size18 4 T
Wheel nut torque103 N•m (10.5 kgf•m, 76 ft•lbf)
Light bulbs
Light bulbsWType
Exterior
Front turn signal lights*121A
Rear turn signal lights*121A
Back-up lights16B
Interior
Door courtesy lights*25B
Vanity lights8B
Luggage compartment lights5B
Page 739 of 776

739
9
9-1. Specifications
Vehicle specifications
RX350/RX200t_EE_OM48F32E
■If your engine knocks
●Consult any authorized Lexus dealer or repairer, or another duly qualified and equipped professional.
●You may occasionally notice light knocking for a short time while accelerating or driv-
ing uphill. This is normal and there is no need for concern.
Fuel information
EU area:
You must only use unleaded gasoline conforming to European standard
EN228.
Select unleaded gasoline with a Rese arch Octane Number of 95 or higher
for optimum engine performance.
Except EU area:
You must only use unleaded gasoline.
Select unleaded gasoline with a Rese arch Octane Number of 95 or higher
for optimum engine performance.
NOTICE
■Notice on fuel quality
●Do not use improper fuels. If improper fuels are used, the engine will be damaged.
●Do not use leaded gasoline.
Leaded gasoline will cause the three-way cata lytic converter to lose its effectiveness and the emission control system to function improperly.
●EU area: Bioethanol fuel sold under names such as “E50” or “E85” and fuel contain-
ing a large amount of ethanol should not be used. The use of these fuels will damage the vehicle’s fuel system. In case of any doubt, ask any authorized Lexus dealer orrepairer, or another duly qualified and equipped professional.
●Except EU area: Bioethanol fuel sold under names such as “E50” or “E85” and fuelcontaining a large amount of ethanol should not be used. Your vehicle can use gaso-line mixed with 10% max ethanol. The use of fuel with more than 10% ethanol content
(E10) will damage the vehicle’s fuel system. You must ensure that refueling is carried out only from a source where fuel specification and quality can be guaranteed. In caseof any doubt, ask any authorized Lexus deal er or repairer, or another duly qualified
and equipped professional.
●Do not use the methanol blended gasoline such as M15, M85, M100. The use of gas- oline containing methanol may cause engine damage or failure.
Page 746 of 776
7469-2. Customization
RX350/RX200t_EE_OM48F32E
■Turn signal lever (P. 258)
■Automatic light control system (P. 265)
■Lights (P. 265)
FunctionDefault settingCustomized setting
The number of times the turn sig- nal lights flash automaticallywhen the turn signal lever is
moved to the first position during a lane change
3
5
—O7
Off
12
FunctionDefault settingCustomized setting
Light sensor sensitivityStandard-2 to 2OO
Time elapsed before headlights turn off (follow me home system) 30 seconds
60 seconds
—O90 seconds
120 seconds
12
FunctionDefault settingCustomized setting
Welcome lightingOnOff—O
12
Page 747 of 776

747
9
9-2. Customization
Vehicle specifications
RX350/RX200t_EE_OM48F32E
■AHS (Adaptive High-beam System)*1 (P. 269)
*1: If equipped
*2: The headlights will operate under Automatic High Beam control. (P. 274)
■Rain-sensing windshield wipers* (P. 279)
*: If equipped
FunctionDefault settingCustomized setting
Adaptive High-beam SystemOnOff*2—O
Clearance between a vehicle ahead and the shaded high
beams
StandardNarrow—OWide
Vehicle speed at which the
brightness and illuminated area adjustment of the high beamschanges mode
Approximately 120 km/h (75 mph) or
more
Approximately 100 km/h (63 mph) or more—OApproximately 80
km/h (50 mph) or more
Intensity adjustment of the highbeams when driving around a
curve (illuminates the area in the direction vehicle is turning morebrightly)
OnOff—O
Projection distance adjustment
of the low beams according to the distance to a preceding vehi-cle
OnOff—O
12
FunctionDefault settingCustomized setting
Wiper operation when the wiperswitch is in the “AUTO” positionRain-sensing oper-ation
Intermittent opera-
tion linked to vehi- cle speed (with interval adjuster)
—O
12
Page 750 of 776
7509-2. Customization
RX350/RX200t_EE_OM48F32E
■Illumination (P. 552)
*:If equipped
FunctionDefault settingCustomized setting
Time elapsed before the interior
lights turn off15 seconds
Off
OO7.5 seconds
30 seconds
Operation after the engine switch is turned offOnOff—O
Operation when the doors are
unlockedOnOff—O
Operation when you approach the vehicle with the electronickey on your personOnOff—O
Footwell lights and front center
console lightOnOff—O
Instrument panel ornament light* and door trim ornamentlights*OnOff—O
Time elapsed before the outerfoot lights turn off15 seconds
Off
OO7.5 seconds
30 seconds
Operation of the outer foot lights
when you approach the vehicle with the electronic key on yourperson
OnOff—O
Operation of the outer foot lights
when the doors are unlocked with the power door lock switchOnOff—O
Operation of the outer foot lights
when a door is openedOnOff—O
Fading out of the outer foot lights when they turn offLongShort—O
12
Page 756 of 776

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
Page 758 of 776

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