2022 LEXUS IS350 immobilizer

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1
1
For safety and security
For safety and security
.1-1. For safe useBefore driving ................................. 22
For safe driving.............................. 23
Seat belts .......................................... 24
SRS airbags .................................... 28
Front passenger occupant classifi- cation system .............................. 36
Exhaust gas precautions ........... 40
1-2. Child safety Riding with children....................... 41
Child restraint systems ................ 41
1-3. Lexus Enform Lexus Enform Safety Connect........................................................... 54
1-4. Theft deterrent system Engine immobilizer system ...... 60
Alarm.................................................. 61
Theft prevention labels .............. 62

601-4. Theft deterrent system
1-4.Theft deterrent system
The indicator light flashes after the
engine switch has been turned off to
indicate that the system is operating.
The indicator light stops flashing after
the engine switch has been turned to
ACCESSORY or IGNITION ON
mode to indicate that the system has
been canceled.
■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 touch-
ing a key registered to the security sys-
tem (key with a built-in transponder chip)
of another vehicle
Engine immobilizer system
The vehicle’s keys have built-in
transponder chips that prevent the
engine from starting if a 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.
This system is designed to help pre-
vent vehicle theft but does not
guarantee absolute security
against all vehicle thefts.
Operating the system
NOTICE
■To ensure the system operates cor-
rectly
Do not modify or remove the system. If
modified or removed, the proper opera-
tion of the system cannot be guaranteed.

983-2. Opening, closing and locking the doors and trunk
●When an interior alarm sounds continu-
ously
■If a warning message is displayed indi-
cating that there is a malfunction in the
smart access system with push-button
start
An attempt was made to lock the doors
using the smart access system with
push-button start while the electronic key
was still inside the vehicle. Retrieve the elec-
tronic key from the vehicle and lock the
doors again.
■Battery-saving function
The battery-saving fu nction will be acti-
vated in order to prevent the electronic key
battery and the vehicle battery from being
discharged while the vehicle is not in opera-
tion for a long time.
●In the following situations, the smart
access system with push-button start may
take some time to unlock the doors.
• The electronic key has been left within approximately 6 ft. (2 m) of the outside of
the vehicle for 10 minutes or longer.
• The smart access system with push-but- ton start has not been used for 5 days or
longer.
●If the smart access system with push-but-
ton start has not been used for 14 days or
longer, the doors cannot be unlocked at
any door except the driver’s door. In this
case, hold the driver’s door handle, or use
the wireless remote control or mechani-
cal key, to unlock the doors.
■Electronic Key Battery-Saving Function
When battery-saving mode is set, battery
depletion is minimized by stopping the elec-
tronic key from receiving radio waves.
Press twice while pressing and holding
. Confirm that the electronic key indica-
tor flashes 4 times.
While the battery-saving mode is set, the
smart access system with push-button start
cannot be used. To cancel the function,
press any of the electronic key buttons.
■Conditions affecting operation
The smart access system with push-button
start uses weak radio waves. In the following
situations, the communication between the
electronic key and the vehicle may be
affected, preventing the smart access sys-
tem with push-button start, wireless remote
control and engine immobilizer system
from operating properly. (Ways of coping:
P.351)
●When the electronic key battery is
depleted
●Near a TV tower, electric power plant,
SituationCorrection
procedure
An attempt was made to lock the vehicle while a door was open.Close all of the doors and lock the doors again.
The trunk was closed
while the electronic key was still inside the trunk and all the doors were locked.Retrieve the
electronic key
from the trunk and close the trunk lid.
SituationCorrection procedure
The engine switch was
turned to ACCESSORY mode while the driver’s door was open (The
driver’s door was opened when the engine switch was in ACCESSORY mode).
Turn the engine switch off and close the
driver’s door.
The engine switch was turned off while the
driver’s door was open.Close the
driver’s door.

1304-2. Driving procedures
4-2.Driving procedures
1Check that the parking brake is set.
2 Check that the shift lever is in P.
3 Firmly depress the brake pedal.
and a message will be displayed on
the multi-information display.
If it is not displayed, the engine cannot be
started.
4 Press the engine switch shortly and
firmly.
When operating the engine switch, one
short, firm press is enough. It is not neces-
sary to press and hold the switch.
The engine will crank until it starts or for up
to 30 seconds, whichever is less.
Continue depressing the brake pedal until
the engine is completely started.
The engine can be started from any engine
switch mode.
■If the engine does not start
●Check that the shift lever is securely set in
P. The engine may not start if the shift lever is displaced out of P.
●The engine immobilizer system may not
have been deactivated. (
P.60)
Contact your Lexus dealer.
■Electronic key battery depletion
P.86
■Conditions affecting operation
P.98
■Notes for the entry function
P.99
■Steering lock function
●After turning the engine switch off and
opening and closing th e doors, the steer-
ing wheel will be lock ed due to the steer-
ing lock function. Operating the engine
switch again automatically cancels the
steering lock.
●When the steering lock cannot be
released, “Push Engine Switch while
Turning Steering Whee l in Either Direc-
tion” will be displayed on the multi-infor-
mation display.
Check that the shift lever is in P. Press the
engine switch while turning the steering
wheel left and right.
●To prevent the steering lock motor from
overheating, operation of the motor may
be suspended if the en gine is turned on
and off repeatedly in a short period of
time. In this case, re frain from operating
the engine switch. After about 10 sec-
onds, the steering lock motor will resume
functioning.
■When “Access System with Elec. Key
Malfunction See Owner's Manual” is
displayed on the multi-information dis-
play
The system may be malfunctioning. Have
the vehicle inspected by your Lexus dealer
Engine (ignition) switch
Performing the following opera-
tions when carryin g the electronic
key on your person starts the
engine or changes engine switch
modes.
Starting the engine

3497-2. Steps to take in an emergency
7
When trouble arises
One of the following may be the cause
of the problem:
There may not be sufficient fuel in
the vehicle’s tank.
Refuel the vehicle.
 The engine may be flooded.
Try to restart the engine again fol-
lowing correct starting procedures.
( P.130)
 There may be a malfunction in the
engine immobilizer system.
( P.60)
One of the following may be the cause
of the problem:
 The battery may be discharged.
( P.353)
 The battery terminal connections
may be loose or corroded.
( P.294) The engine starting system may be
malfunctioning due to an electrical
problem such as electronic key battery
depletion or a blown fuse. However, an
interim measure is available to start the
engine. (
P.349)
One of the following may be the cause
of the problem:
 One or both of the battery terminals
may be disconnected. ( P.294)
 The battery may be discharged.
( P.353)
 There may be a malfunction in the
steering lock system.
Contact your Lexus dealer if the problem
cannot be repaired, or if repair procedures
are unknown.
When the engine does not start, the
following steps can be used as an
interim measure to start the engine if
the engine switch is functioning nor-
mally:
1 Push the parking brake switch to
check that the parking brake is set.
( P.139)
Parking brake indicator will come on.
If the engine will not start
If the engine will not start even
though correct starting procedures
are being followed ( P.130), con-
sider each of the following points:
The engine will not start even
though the starter motor oper-
ates normally.
The starter motor turns over
slowly, the interior lights and
headlights are dim, or the horn
does not sound or sounds at a low
volume.
The starter motor does not turn
over
The starter motor does not turn
over, the interior lights and head-
lights do not turn on, or the horn
does not sound.
Starting the engine in an emer-
gency

418Alphabetical Index
Hood................................................................285
How to start the engine ........................... 130
Identification number ...............................365
If the engine will not start ....................... 349
If your vehicle has to be stopped in an
emergency ................................................ 320
Ignition switch (engine switch) ............ 130
Overheating................................................. 357
Tachometer ............................................ 69, 70
Engine coolant Capacity .........................................................369
Checking ....................................................... 292
Preparing and checking before winter......................................................................... 234
Engine coolant temperature gauge 69, 70
Engine immobilizer system ........................ 60
Engine oil Capacity ......................................................... 367
Checking .......................................................289
Preparing and checking before winter......................................................................... 234
Warning light ...............................................330
Engine oil maintenance data ....................291
Engine oil pressure gauge ...........................79
Engine oil temperature gauge ...................79
Engine switch ................................................. 130 Auto power off function ........................... 132
Changing the engine switch modes.. 132
If your vehicle has to be stopped in an
emergency ................................................ 320
Enhanced Vehicle Stability Control (Enhanced VSC) ...................................... 229
Enhanced VSC (Enhanced Vehicle Stabil- ity Control) .................................................. 229
EPS (Electric Power Steering) .............. 229 Warning light ............................................... 332
Event data recorder (EDR) ............................7
F
First-aid kit storage belt ............................ 258
Flat tire Tire pressure warning system ............. 299 Vehicles with a spare tire.........................341
Floor mats ...........................................................22
Fluid Automatic transmission ..........................370
Brake ..................................................................371
Washer ...........................................................296
Footwell lights ............................................... 253 Wattage ..........................................................375
Front passenger occupant classification system .............................................................. 36
Front seats Adjustment ..................................................... 102
Cleaning ......................................................... 274
Correct driving posture ............................ 23
Driving position memory ........................ 104
Head restraints............................................. 107
Memory recall function............................ 105
Power easy access system .................... 104
Seat heaters ................................................... 251
Seat position memory .............................. 104
Seat ventilators ............................................. 251
Front side marker light Light switch .................................................... 145
Replacing light bulbs ..................................314
Front turn signal lights Replacing light bulbs....................... 314, 315
Turn signal lever .......................................... 138
Wattage ..........................................................375
Fuel Capacity ......................................................... 367
Fuel gauge............................................... 69, 70
Fuel pump shut off system.....................328
Information .................................................... 376
Refueling...........................................................157
Type .................................................................. 367
Warning light ............................................... 332
Fuel consumption Average fuel economy .............................. 78
Current fuel consumption ........................ 78
Fuel filler door If the fuel filler do or cannot be opened
........................................................................... 351

424Alphabetical Index
SwitchesActivating the Automatic High Beam147
Automatic High Beam system.............. 147
Brake Hold switch ...................................... 142
Door lock switches ...................................... 92
Driving mode select switch ...................227
Driving position memory switches .... 104
Dynamic radar cruise control with full-speed range switch .........................187
Emergency flashers switch ................... 320
Engine switch................................................ 130
Garage door opener switches .......... 263
Heated steering wheel switch...............251
Ignition switch............................................... 130
Instrument panel light control switches ............................................................................ 75
Intuitive parking assist switch............... 204
Light switches ................................................145
LTA (Lane Tracing Assi st) switch...... 180
Meter control switches .............................. 76
Moon roof switches .................................... 116
“ODO TRIP” switch .....................................74
Outside rear view mi rror switches .......112
Paddle shift switches ....................... 136, 137
Parking brake switch .................................139
PCS OFF switch ......................................... 168
PKSB (Parking Support Brake) switch ........................................................................... 217
Power door lock switch ............................ 92
Power window switches ............................114
RCTA switch....................................................211
Rear sunshades switch ........................... 262
Rear window and outside rear view mir- ror defoggers switch ............................ 243
Seat heater switches ..................................251
Seat ventilator switches ............................251
Snow mode switch .....................................136
“SOS” button .................................................. 54
Tilt and telescopic steering control switch .......................................................................... 109
Tire pressure warning reset switch ... 301
Trunk opener main switch ....................... 96 Trunk opener switch ...................................95
Vehicle-to-vehicle di
stance switch.... 187
VSC OFF switch .......................................230
Window lock switch.................................... 115
Windshield wiper and washer switch150
Windshield wiper de-icer...................... 249
T
Tachometer............................................... 69, 70 Rev indicator ................................................... 72
Rev peak............................................................ 73
Tail lights Light switch .................................................... 145
Replacing light bulbs ..................................314
The Secondary Collision Brake ............ 230
Theft deterrent system Alarm.....................................................................61
Engine immobilizer system......................60
Theft prevention labels ............................... 62
Tire inflation pressure Maintenance data ...................................... 372
Tire inflation pressure display function..........................................................................299
Warning light ...............................................333
Tire information ............................................ 378 Glossary .........................................................382
Size ................................................................... 380
Tire identification number...................... 379
Uniform Tire Quality Grading ............. 381
Tire pressure display .................................. 299
Tire pressure warning system Function ..........................................................299
Initializing....................................................... 300
Installing tire pres sure warning valves
and transmitters...................................... 300
Registering ID codes ...............................302
Warning light ...............................................333
Tires Chains .............................................................235
Checking .......................................................296
If you have a flat tire ....................................341
Inflation pressure ....................................... 304

427
Engine immobilizer system
Certifications