
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.

7208-2. Steps to take in an emergency
RX350/RX200t_EE_OM48F32E
Start the engine and turn the air conditioning system on to check that the radi-
ator cooling fan operates and to check for coolant leaks from the radiator or
hoses.
The fans operate when the air conditioning system is turned on immediately after a
cold start. Confirm that the fans are operating by checking the fan sound and air flow. If it is difficult to check these, turn the air conditioning system on and off repeatedly. (The fan may not operate in freezing temperatures.)
If the fans are not operating:
Stop the engine immediately and contact any authorized Lexus dealer or
repairer, or another duly qualified and equipped professional.
If the fans are operating:
Have the vehicle inspected at the nearest any authorized Lexus dealer or
repairer, or another duly qualified and equipped professional.
Check if “Engine Coolant Temp High Stop in a Safe Place See Owner’s Man-
ual” is shown on the multi-information display.
If the message does not disappear:
Stop the engine and contact any authorized Lexus dealer or repairer, or
another duly qualified and equipped professional.
If the message is not displayed:
Have the vehicle inspected at the nearest authorized Lexus dealer or repairer,
or another duly qualified and equipped professional.
WARNING
■To prevent an accident or injury when in specting under the hood of your vehicle
Observe the following precautions.
Failure to do so may result in serious injury such as burns.
●If steam is seen coming from under the h ood, do not open the hood until the steam has subsided. The engine compartment may be very hot.
●Keep hands and clothing (especially a tie, a scarf or a muffler) away from the fans andbelts. Failure to do so may cause the hands or clothing to be caught, resulting in seri- ous injury.
●Do not loosen the radiator cap and the coolant reservoir caps while the engine andradiator are hot.High temperature steam or coolant could spray out.
6
7
8

7289-1. Specifications
RX350/RX200t_EE_OM48F32E
■Engine number
RX350
The engine number is stamped on
the engine block as shown.
RX200t
The engine number is stamped on
the engine block as shown.
RX350
Engine
Model2GR-FKS
Type6-cylinder V type, 4-cycle, gasoline
Bore and stroke94.0 83.0 mm (3.70 3.27 in.)
Displacement3456 cm3 (210.9 cu. in.)
Valve clearance (engine cold)Automatic adjustment
Drive belt tensionAutomatic adjustment

729
9
9-1. Specifications
Vehicle specifications
RX350/RX200t_EE_OM48F32E
RX200t
*: The engine oil capacity is a reference quantity to be used when changing the engine
oil. Warm up the engine and turn off the engine, wait more than 5 minutes, and check
the oil level on the dipstick.
Model8AR-FTS
Type4-cylinder in line, 4-cycle, gasoline
(with turbocharger)
Bore and stroke86.0 86.0 mm (3.39 3.39 in.)
Displacement1998 cm3 (121.9 cu. in.)
Valve clearance (engine cold)Automatic adjustment
Drive belt tensionAutomatic adjustment
Fuel
Fuel type
EU area
Unleaded gasoline conforming to European stan-
dard EN228 only
Except EU area
Unleaded gasoline only
Research octane number95 or higher
Fuel tank capacity (Reference)72 L (19.0 gal., 15.8 lmp. gal.)
Lubrication system
Oil capacity
(Drain and refill reference*)
With filter
Without filter
RX350
5.5 L (5.8 qt., 4.8 Imp. qt.)
RX200t
4.9 L (5.2 qt., 4.3 Imp. qt.)
RX350
5.3 L (5.6 qt., 4.7 Imp. qt.)
RX200t
4.7 L (5.0 qt., 4.1 Imp. qt.)

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

760Alphabetical index
RX350/RX200t_EE_OM48F32E
Back door
Back door................................................146
Power back door.................................. 151
Touchless power back door......... 153
Wireless remote control ................... 151
Back-up lights
Replacing light bulbs........................ 643
Wattage..................................................738
Battery
Battery checking ................................607
If the battery is discharged .............. 714
Preparing and checking
before winter .................................... 429
Warning light .......................................666
Blind Spot Monitor (BSM) ................355
Blind Spot Monitor function...........361
Rear Crossing Traffic
Alert function ....................................365
Bluetooth®............................................... 513
Audio system ...................................... 490
Hands-free system
(for cellular phone)........................ 492
Boost gauge ............................................. 107
Bottle holders .........................................560
Brake
Brake Hold ........................................... 263
Fluid .......................................................... 736
Parking brake ......................................259
Warning light .......................................666
Brake assist.............................................. 422
Brake Hold .............................................. 263
Warning light....................................... 667
Break-in tips............................................ 228
Brightness control
Instrument panel light control ........ 98
BSM (Blind Spot Monitor) ............... 355
Blind Spot Monitor function .......... 361
Rear Crossing Traffic
Alert function.................................... 365
Card key ....................................................134
Care
Aluminum wheels..............................585
Exterior ................................................... 584
Interior.....................................................589
Seat belts ...............................................590
Self-restoring coat ............................ 584
Cargo hooks .......................................... 562
Cargo net hooks................................... 562
CD player ................................................ 466
Chains ....................................................... 430
Child restraint system............................ 54
Child seats definition .......................... 54
Child seats installation ...............62, 69
Installing a CRS to the
passenger seat ................................... 59
Installing CRS with ISOFIX
rigid anchors ........................................ 74
Installing CRS with seat belts ......... 66
Installing CRS with top strap ...........75
B
C

761Alphabetical index
RX350/RX200t_EE_OM48F32E
Child safety................................................. 54
Airbag precautions .............................. 43
Back door precautions .................... 148
Battery precautions ................. 610, 717
Child restraint system......................... 54
How your child should wear
the seat belt .......................................... 37
Installing child restraints .................... 54
Moon roof precautions .................... 217
Panoramic moon roof
precautions.......................................... 221
Power back door precautions....... 161
Power window lock switch............ 210
Power window precautions ........... 213
Rear door child-protectors ............143
Removed key battery
precautions........................................639
Seat belt precautions .......................... 39
Seat heater precautions .................549
Child-protectors .................................... 143
Cleaning .......................................584, 589
Aluminum wheels ............................. 585
Exterior................................................... 584
Interior .................................................... 589
Seat belts............................................... 590
Clock ................................................ 96, 568
Coat hooks .............................................. 577
Condenser .............................................. 607
Console box ........................................... 557
Consumption screen ................. 105, 128
Coolant
Capacity..................................................734
Checking ...............................................605
Preparing and checking
before winter.................................... 429
Cooling system ..................................... 605
Engine overheating ............................ 718
Cornering lights .................................... 266
Cruise control
Cruise control ....................................... 341
Dynamic radar cruise control
with full-speed range ................... 329
Cup holders ............................................558
Curtain shield airbags ............................. 41
Customizable features....................... 740
Customized mode ................................. 417
Daytime running light system ...........267
Defogger
Outside rear view mirrors ............ 542
Rear window........................................ 542
Windshield ........................................... 542
Differential............................................... 736
Dimensions ..............................................726
Display
Dynamic radar cruise control
with full-speed range ................... 329
LKA (Lane-Keeping Assist) .......... 319
Multi-information display................ 100
Warning messages .......................... 673
D

762Alphabetical index
RX350/RX200t_EE_OM48F32E
Do-it-yourself maintenance .............595
Doors
Automatic door locking and
unlocking system..............................143
Back door................................................146
Door lock................................................. 142
Outside rear view mirrors.............206
Power back door.................................. 151
Rear door child-protectors ............143
Side doors .............................................. 140
Side windows........................................ 210
Double locking system .......................... 82
Drive information................................... 105
Drive-start control.....................227, 255
Driver’s seat belt reminder light ..... 669
Driver’s seat position memory ......... 195
Driving
Break-in tips ......................................... 228
Correct posture .................................... 34
Driving mode select switch ............ 417
Procedures ........................................... 226
Winter drive tips................................. 429
Driving position memory .................... 195
Memory recall function ................... 198
Power easy access system ............ 195
Dynamic radar cruise control
with full-speed range ....................... 329
Dynamic Torque Control AWD
system .................................................... 423
Eco drive mode ....................................... 417
Eco Driving Indicator............................120
Electric Power Steering (EPS) ....... 423
Warning light....................................... 667
Electronic key ..........................................134
Battery-saving function .................... 169
If the electronic key does
not operate properly...................... 710
Replacing the battery ...................... 638
Electronic sunshade ..............................218
Jam protection function ................... 219
Operation ............................................... 218
Emergency brake signal.................... 423
Emergency flashers ............................. 656
Emergency tire puncture
repair kit ................................................ 693
Emergency, in case of
If a warning buzzer sounds .......... 666
If a warning light turns on .............. 666
If a warning message is
displayed ............................................ 673
If the battery is discharged ............. 714
If the electronic key does
not operate properly...................... 710
If the engine will not start ............... 708
If you have a flat tire.............. 679, 693
If you lose your keys ............... 136, 138
If you think something is
wrong................................................... 664
If your vehicle becomes stuck ..... 722
If your vehicle has to be
stopped in an emergency ......... 657
If your vehicle needs
to be towed.......................................658
If your vehicle overheats.................. 718
E