
TABLE OF CONTENTSIndex
ES350_U
2
1-1. Key informationKeys ...................................................... 24
1-2. Opening, closing and locking the doors and trunk
Smart access system with push-button start .......................... 26
Wireless remote control ............. 38
Doors.................................................... 40
Trunk..................................................... 44
1-3. Adjustable components (seats, mirrors,
steering wheel)
Front seats .......................................... 48
Driving position memory (driver’s seat) ................................. 49
Seat position memory (front passenger’s seat) ............. 53
Head restraints................................. 55
Seat belts ............................................ 57
Steering wheel.................................. 63
Anti-glare inside rear view mirror ................................................ 64
Outside rear view mirrors ........... 66 1-4. Opening and closing the
windows and moon roof
Power windows................................ 68
Moon roof ............................................ 71
1-5. Refueling Opening the fuel tank cap........... 76
1-6. Theft deterrent system Engine immobilizer system ......... 79
Alarm..................................................... 81
1-7. Safety information Correct driving posture ............... 84
SRS airbags ....................................... 86
Front passenger occupant classification system .................... 97
Child restraint systems ............... 102
Installing child restraints ............. 106
2-1. Driving procedures Driving the vehicle ......................... 118
Engine (ignition) switch .............. 126
Automatic Transmission ............ 130
Turn signal lever............................. 133
Parking brake ................................. 134
Horn.................................................... 135
1Before driving
2When driving

Before driving1
23
ES350_U
1-1. Key informationKeys ............................................... 24
1-2. Opening, closing and locking the doors
and trunk
Smart access system with push-button start .................... 26
Wireless remote control ........ 38
Doors ........................................... 40
Trunk ............................................. 44
1-3. Adjustable components (seats, mirrors,
steering wheel)
Front seats .................................. 48
Driving position memory (driver’s seat) ........................... 49
Seat position memory (front passenger’s seat) ........ 53
Head restraints .......................... 55
Seat belts ..................................... 57
Steering wheel........................... 63
Anti-glare inside rear view mirror ......................................... 64
Outside rear view mirrors ...... 66 1-4. Opening and closing the
windows and moon roof
Power windows .......................... 68
Moon roof .................................... 71
1-5. Refueling Opening the fuel tank cap ...... 76
1-6. Theft deterrent system Engine immobilizer system.... 79
Alarm............................................. 81
1-7. Safety information Correct driving posture ......... 84
SRS airbags ................................ 86
Front passenger occupant classification system.............. 97
Child restraint systems ......... 102
Installing child restraints....... 106

79
1
Before driving
ES350_U
1-6. Theft deterrent system
Engine immobilizer system
The vehicle's keys have built-in transponder chips that prevent the engine
from starting if the key has not been previously registered in the vehicle's
on-board computer.
Never leave the keys inside the vehicle when you leave the vehicle.
The indicator light flashes after
the “ENGINE START STOP”
switch has been turned OFF to
indicate that the system is oper-
ating.
The indicator light stops flashing
after the “ENGINE START
STOP” switch has been turned
to ACCESSORY or IGNITION
ON mode to indicate that the
system has been canceled.

80
1-6. Theft deterrent system
ES350_U
■System maintenance
The vehicle has a maintenance-free type engine immobilizer system.
■Conditions that may cause the system to malfunction
●If the grip portion of the key is in contact with a metallic object
●If the key is in close proximity to or touching a key to the security system (key
with a built-in transponder chip) of another vehicle
■Certifications for the engine immobilizer system
For vehicles sold in the USA
FCC ID: NI4TMIMB-1
This device complies with Part 15 of the FCC Rules. Operation is subject to the fol-
lowing two conditions: (1) this device may not cause harmful interference, and (2)
this device must accept any interference received, including interference that may
cause undesired operation. For vehicles sold in Canada
Operation is subject to the following two conditions: (1) this device may not cause
interference, and (2) this device must accept any interference, including interfer-
ence that may cause undesired operation of the device.
CAUTION
Changes or modifications not expressly approved by the party responsible for com-
pliance could void the user’s authority to operate the equipment.
NOTICE
■To ensure the system operates correctly
Do not modify or remove the system. If modified or removed, the proper operation
of the system cannot be guaranteed.

127
2-1. Driving procedures
2
When driving
ES350_U
■If the engine does not start
The engine immobilizer system may not have been deactivated. (→P. 79)
■When the “ENGINE START STOP” switch indicator flashes
The system may be malfunctioning. Have the vehicle inspected by your Lexus
dealer immediately.
■Changing “ENGINE STAR T STOP” switch mode
Modes can be changed by pressing the “ENGINE START STOP”
switch with the brake pedal released. (The mode changes each time
the switch is pressed.)
OFF
*
Emergency flashers can be
used.
ACCESSORY mode
Some electrical components
such as the audio system can be
used.
The “ENGINE START STOP”
switch indicator turns amber.
IGNITION ON mode
All electrical components can
be used.
The “ENGINE START STOP”
switch indicator turns amber.
*: If the shift lever is in a position other than P when turning off the
engine, the “ENGINE START
STOP” switch will be turned to
ACCESSORY mode, not to
O F F.

476
5-2. Steps to take in an emergency
ES350_U
If the engine will not start
If the engine will not start, even though correct starting procedures are
being followed (
→P. 126), consider each of the following points.
■The engine will not start even when the starter motor operates
normally.
One of the following may be the cause of the problem.
● There may not be sufficient fuel in the vehicle’s tank.
Add fuel to the vehicle.
● The engine may be flooded.
Try to restart the engine once more following correct starting
procedures. ( →P. 1 2 6 )
● There may be a malfunction in the engine immobilizer system.
(→ P. 7 9 )
■ The starter motor turns over slowly, the interior lights and head-
lights are dim, or the horn does not sound or sounds at a low vol-
ume.
One of the following may be the cause of the problem.
● The battery may be discharged. ( →P. 4 8 3 )
● The battery terminal connections may be loose or corroded.
■ The starter motor does not turn over
One of the following may be the cause of the problem.
● The engine starting system may be malfunctioning due to an elec-
trical problem such as an open circuit or a blown fuse. However,
an interim measure is available to start the engine. ( →P. 4 7 7 )

548
Alphabetical index
ES350_U
Emergency flashersSwitch ...................................................... 434
Engine Compartment ...................................... 381
Engine switch......................................... 126
Hood........................................................ 378
How to start the engine.................... 126
Identification number....................... 493
If the engine will not start ............... 476
Ignition switch........................................ 126
Overheating.........................................486
Engine compartment cover .............382
Engine coolant Capacity................................................. 496
Checking ...............................................386
Preparing and checking
before winter ....................................... 191
Engine coolant temperature
gauge ....................................................... 136
Engine immobilizer system.................. 79
Engine oil Capacity.................................................495
Checking ...............................................383
Preparing and checking
before winter ....................................... 191
Engine oil maintenance data........... 385
Event data recorder ............................443 Floor mat .................................................. 339
Fluid
Brake .......................................................388
Power steering fluid ......................... 389
Washer................................................... 393
Fog lights
Switch.......................................................... 151
Wattage ...................................................501
Foot well lighting.....................................314
Front fog lights Switch.......................................................... 151
Wattage ...................................................501
Front passenger occupant classification system ............................ 97
Front passenger's seat belt reminder light ..................................... 447
Front seats Adjustment .............................................. 48
Driving position memory ..................49
Seat position memory.........................53
Front side marker lights Replacing light bulbs ........................424
Wattage ...................................................501
Front turn signal lights
Replacing light bulbs ........................424
Wattage ...................................................501F

555
Alphabetical index
ES350_U
Tachometer .............................................. 136
Tail lightsReplacing light bulbs ........................424
Switch ........................................................ 147
Wattage .................................................. 501
Talk switch............................................... 286
Telephone switch ................................. 286
Theft deterrent system
Alarm ............................................................ 81
Engine immobilizer system ..............79
Tire inflation pressure......................... 403
Tire information Glossary ................................................. 510
Size ........................................................... 507
Tire identification number ............. 507
Uniform tire quality grading........ 508
Tires Chains ....................................................... 193
Checking ............................................... 394
If you have a flat tire.......................... 467
Inflation pressure ............................... 403
Inflation pressure sensor................ 395
Information............................................505
Replacing............................................... 467
Rotating tires ........................................ 394
Size ........................................................... 499
Snow tires................................................195
Spare tire ............................................... 467
Tools ........................................................... 467
Total load capacity.................................190 Towing
Dinghy towing .....................................204
Emergency towing............................435
Trailer towing .........................................197
TRAC........................................................... 177
Traction control .......................................177
Trip meter ................................................. 136
Trunk Extending a space ............................. 337
Opener ...................................................... 44
Trunk light Trunk light ................................................. 45
Wattage ................................................... 501
Turn signal lights
Replacing light bulbs ........................ 424
Switch........................................................ 133
Wattage ................................................... 501T