
754
RX350/RX200t_EE_OM48F32E
What to do if... (Troubleshooting)
What to do if... (Troubleshooting)
●If you lose your mechanical keys, new genuine mechanical keys can be made
by any authorized Lexus dealer or repairer, or another duly qualified and
equipped professional. ( P. 136)
●If you lose your electronic keys, the risk of vehicle theft increases significantly.
Contact any authorized Lexus dealer or repairer, or another duly qualified
and equipped professional immediately. ( P. 138)
●Is the electronic key battery weak or depleted? (P. 638)
●Is the engine switch in IGNITION ON mode?
When locking the doors, turn the engine switch off. ( P. 247)
●Is the electronic key left inside the vehicle?
When locking the doors, make sure that you have the electronic key on your
person.
●The function may not operate properly due to the condition of the radio wave.
( P. 170)
●Is the child-protector lock set?
The rear door cannot be opened from inside the vehicle when the lock is set.
Open the rear door from outside and then unlock the child-protector lock.
( P. 143)
If you have a problem, check the following before contacting any authorized
Lexus dealer or repairer, or another duly qualified and equipped professional.
The doors cannot be locked, unlocked, opened or closed
You lose your keys
The doors cannot be locked or unlocked
The rear door cannot be opened

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

759Alphabetical index
RX350/RX200t_EE_OM48F32E
Alarm ............................................................83
All-wheel drive lock mode................. 421
Anchor brackets ......................................58
Antenna
Radio ........................................................465
Smart entry & start system ............. 168
Anti-lock Brake System (ABS) ....... 422
Warning light ....................................... 667
Approach warning ............................... 336
Armrest ..................................................... 576
Assist grips .............................................. 577
Audio system (with Lexus
Display Audio System)....................438
Antenna ..................................................465
Audio input ........................................... 445
AUX port...............................................445
Bluetooth® audio ............................. 490
CD player ..............................................466
iPod........................................................... 472
MP3/WMA disc ...............................466
Optimal use ..........................................456
Portable music player....................... 481
Radio ........................................................ 464
Setup menu...........................................448
Steering wheel audio
switches............................................... 444
USB memory....................................... 476
Audio system
(with navigation system)*
Automatic air conditioning
system .................................................... 536
Air conditioning filter ....................... 633
Blower customization ..................... 543
S-FLOW mode ................................. 538
Automatic headlight leveling
system .....................................................267
Automatic High Beam ........................274
Automatic light control system....... 265
Automatic transmission .......................251
If the shift lever cannot be
shifted from P................................... 256
M mode.................................................. 253
Paddle shift switches............ 252, 253
AUX port................................................. 445
Auxiliary boxes ............................ 561, 565
*: Refer to the “NAVIGATION SYSTEM OWNER’S MANUAL”.

763Alphabetical index
RX350/RX200t_EE_OM48F32E
Engine
ACCESSORY mode ..................... 247
Compartment..................................... 599
Engine switch....................................... 246
Hood ........................................................ 597
How to start the engine .................. 246
Identification number ....................... 728
If your vehicle has to be
stopped in an emergency.......... 657
Ignition switch (engine switch) ... 246
Overheating ...........................................718
Engine coolant
Capacity ................................................. 734
Checking .............................................. 605
Preparing and checking
before winter .................................... 429
Engine coolant temperature
gauge......................................................... 96
Engine immobilizer system...................77
Engine oil
Capacity ................................................. 729
Checking ................................................ 601
Preparing and checking
before winter .................................... 429
Engine oil pressure gauge ................. 107
Engine oil temperature gauge ......... 107
Engine switch ......................................... 246
EPS
(Electronic Power Steering)......... 423
Warning light ....................................... 667
ERA-GLONASS ........................ 46, 578
Flat tire ........................................... 679, 693
Floor mats ................................................... 32
Fluid
Automatic transmission.................. 735
Brake ....................................................... 736
Washer.......................................................611
Fog lights
Replacing light bulbs ....................... 643
Switch ...................................................... 278
Follow me home system .................... 266
Front fog lights
Replacing light bulbs ...................... 643
Switch ...................................................... 278
Front passenger footwell hooks ..... 575
Front passenger’s seat belt
reminder light ..................................... 669
Front position lights
Light switch........................................... 265
Replacing light bulbs ....................... 643
Front seat heaters................................. 550
Front seats
Adjustment .............................................185
Cleaning ................................................589
Correct driving posture.....................34
Driving position memory ................ 195
Head restraints ................................... 200
Power easy access system............. 195
Seat heaters..........................................550
Seat position memory .......................195
F

764Alphabetical index
RX350/RX200t_EE_OM48F32E
Front turn signal lights
Replacing light bulbs........................ 643
Turn signal lever .................................258
Wattage..................................................738
Fuel
Capacity ................................................. 729
Fuel gauge................................................ 96
Information ............................................ 739
Refueling ................................................ 287
Type .......................................................... 729
Fuel consumption information ......... 128
Fuel filler door ........................................ 287
Refueling ................................................ 287
When the fuel filler door
cannot be opened .........................289
Fuses ..........................................................640
Gauges ........................................................ 96
Glove box ................................................ 557
Grocery bag hooks .............................563
Hands-free system
(for cellular phone) ........................... 492
Head restraints ...................................... 200
Head-up display...................................... 122
Headlight cleaner................................. 279
Headlights ............................................... 265
Adaptive High-beam System ..... 269
Automatic headlight leveling........267
Automatic High Beam .................... 274
Follow me home system................ 266
Light switch........................................... 265
Replacing light bulbs ....................... 643
Wattage ................................................. 738
Windshield wiper linked
headlight illumination ................... 268
Heated steering wheel....................... 549
Heated Windshield Defroster ........ 543
Heaters
Automatic air conditioning
system.................................................. 536
Heated steering wheel ................... 549
Outside rear view mirrors ............ 542
Seat heaters............................... 550, 551
High mounted stoplight
Replacing............................................... 643
G
H

766Alphabetical index
RX350/RX200t_EE_OM48F32E
Keyless entry
Smart entry & start system ............. 168
Wireless remote control ......... 134, 151
Keys ............................................................. 134
Battery-saving function.....................170
Electronic key ........................................134
Engine switch....................................... 246
If the electronic key does
not operate properly ......................710
If you lose your keys ................ 136, 138
Key number plate ................................134
Keyless entry ..........................................134
Mechanical key.................................... 135
Replacing the battery...................... 638
Warning buzzer .................................... 141
Wireless remote control ..................134
Knee airbags..............................................40
Lane-Keeping Assist (LKA) .............. 313
Language
(multi-information display) ............... 116
Lever
Auxiliary catch lever ......................... 597
Hood lock release lever................. 597
Shift lever..................................................251
Turn signal lever .................................258
Wiper lever............................... 279, 285
Lexus Climate Concierge ................535
Lexus Display Audio controller ......440
Lexus Display Audio system ............438
Lexus parking assist monitor ............ 401
Display .................................................... 402
Precautions...........................................408
Lexus parking assist-sensor ............... 371
Lexus Safety System+........................... 291
Adaptive High-beam System ..... 269
Automatic High Beam .................... 274
Dynamic radar cruise control
with full-speed range ................... 329
LKA (Lane-Keeping Assist) .......... 313
PCS
(Pre-Crash Safety system) .......300
RSA (Road Sign Assist) ..................324
License plate lights
Light switch........................................... 265
Replacing light bulbs ....................... 643
Light
Adaptive High-beam System ..... 269
Automatic High Beam .................... 274
Cornering lights................................. 266
Fog light switch................................... 278
Follow me home system................ 266
Headlight switch ................................ 265
Illuminated entry system ................ 555
Interior light list.................................... 552
Interior lights ........................................ 553
Luggage compartment light.......... 157
Personal lights..................................... 554
Replacing light bulbs ....................... 643
Turn signal lever................................. 258
Vanity lights.......................................... 567
Wattage ................................................. 738
Welcome lighting...............................267
K
L

770Alphabetical index
RX350/RX200t_EE_OM48F32E
S-FLOW mode .................................... 538
Seat belts ..................................................... 36
Adjusting the seat belt........................ 36
Child restraint system
installation.............................................. 54
Cleaning and maintaining
the seat belt ...................................... 590
Emergency Locking Retractor ...... 37
How to wear your seat belt ............. 36
How your child should wear
the seat belt .......................................... 37
Pregnant women,
proper seat belt use ......................... 38
Reminder light and
buzzer ..................................................669
Seat belt pretensioners ...................... 37
SRS warning light............................... 667
Seat position memory .......................... 195
Seat ventilators ........................................... 551
Seats
Adjustment.................................. 185, 186
Adjustment precautions .................. 185
Child seats/child restraint
system installation ............................. 54
Cleaning................................................ 589
Driving position memory ................ 195
Folding down the rear
seatbacks............................................. 186
Front seat heaters ............................. 550
Head restraint..................................... 200
Power easy access system ............ 195
Properly sitting in the seat ................ 34
Rear seat heaters ................................ 551
Seat position memory ...................... 195
Seat ventilators ..................................... 551
Sensor
Automatic headlight system .........267
Camera sensor .................................. 293
Inside rear view mirror ................... 205
Lexus parking assist-sensor .......... 371
Radar sensor ....................................... 293
Rain-sensing windshield
wipers .................................................... 281
Tilt sensor ................................................. 85
Touchless sensor................................. 153
Service reminder indicators ............... 90
Shift lever
Automatic transmission.................... 251
If the shift lever cannot be
shifted from P................................... 256
Shift lock system ................................... 255
Side airbags ................................................. 41
Side doors ................................................ 140
Side marker lights
Light switch........................................... 265
Replacing light bulbs ....................... 643
Side mirrors ............................................ 206
Adjusting and folding ...................... 206
BSM (Blind Spot Monitor) ........... 355
Heaters ................................................... 542
Side turn signal lights
Replacing light bulbs ....................... 643
Turn signal lever................................. 258
Smart entry & start system ................ 168
Antenna location .................................168
Entry functions ............................. 140, 151
Starting the engine............................ 246
Snow tires ..................................................431
“SOS” button.......................................... 578
S