immobilizer LEXUS RX350 2011 Owners Manual

9
Theft Deterrent System
nEngine immobilizer system
The engine immobilizer system prevents the
engine from being started in the event that an
attempt is made to start the vehicle using an
unregistered key.
The security indicator light flashes to indicate that
the system is set.
nAlarm
The system sounds the alarm and flashes lights when an attempt to steal the vehicle is
detected.
To set the alarm: close the doors and hood, and lock all doors. The security indicator light
comes on to indicate that the alarm is in its preparation state. When the indicator light
begins to flash, the system is armed.
To deactivate or stop the alarm: turn the “ENGINE START STOP” switch to ACCESSORY
or IGNITION ON mode, start the engine, or unlock the doors.
nSteering lock
The steering wheel locks when the “ENGINE
START STOP” switch is turned off and the driver’s
door is opened.
When the steering lock cannot be released, the
green indicator light on the “ENGINE START
STOP” switch will flash and a message will be
shown on the multi-information display. To release
it, press the “ENGINE START STOP” switch
while gently turning the steering wheel left or
right.
The theft deterrent system includes the following features to help protect your vehicle
from theft.

TABLE OF CONTENTSIndex
2
1-1.Key information
Keys ...................................................... 26
1-2. Opening, closing and
locking the doors
Smart access system with
push-button start ........................... 31
Wireless remote control .............. 43
Side doors .......................................... 47
Back door .......................................... 50
1-3. Adjustable components
(seats, mirrors,
steering wheel)
Front seats ........................................... 61
Rear seats ........................................... 66
Driving position memory ............. 70
Head restraints................................. 73
Seat belts ............................................ 75
Steering wheel................................. 83
Anti-glare inside rear view
mirror ............................................... 85
Outside rear view mirrors ........... 87
1-4. Opening and closing the
windows and moon roof
Power windows............................... 90
Moon roof .......................................... 93
1-5. Refueling
Opening the fuel tank cap........... 97
1-6. Theft deterrent system
Engine immobilizer system ........ 101
Alarm.................................................. 103
Theft prevention labels
(for U.S.A.) .................................... 106
1-7. Safety information
Correct driving posture ............. 107
SRS airbags ..................................... 109
Front passenger occupant
classification system .................. 122
Child restraint systems ................ 127
Installing child restraints ............... 131
2-1. Driving procedures
Driving the vehicle ........................ 144
Engine (ignition) switch .............. 153
Automatic transmission.............. 159
Turn signal lever............................. 163
Parking brake ................................. 164
Horn.................................................... 165
1Before driving
2When driving

101
1

Before driving
1-6. Theft deterrent system
Engine immobilizer system
nSystem maintenance
The vehicle has a maintenance-free type engine immobilizer system.
nConditions that may cause the system to malfunction
lIf the grip portion of the key is in contact with a metallic object
lIf 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
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.

102
1-6. Theft deterrent system
nCertifications for the engine immobilizer system
For vehicles sold in the U.S.A.
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.
L’utilisation de ce dispositif est autorisée seulement aux deux conditions suivantes:
(1) il ne doit pas produire de brouillage, et (2) l’utilisateur du dispositif doit être prêt
à accepter tout brouillage radioélectrique reçu, même si ce brouillage est
susceptible de compromettre le fonctionnement du dispositif.
CAUTION
nCertifications for the immobilizer system
Changes or modifications not expressly approved by the party responsible for
compliance could void the user’s authority to operate the equipment.
NOTICE
nTo 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.

156
2-1. Driving procedures
nIf the engine does not start
The engine immobilizer system may not have been deactivated. (→P. 1 0 1 )
nSteering lock
After turning the “ENGINE START STOP” switch off and opening and closing the
doors, the steering wheel will be locked due to the steering lock function. Operat-
ing the “ENGINE START STOP” switch again automatically cancels the steering
lock.
nWhen the steering lock cannot be released
nSteering lock motor overheating prevention
To prevent the steering lock motor from overheating, the motor may be suspended
if the engine is turned on and off repeatedly in a short period of time. In this case,
refrain from operating the engine. After about 2 seconds, the steering lock motor
will resume functioning.
nWhen the “ENGINE START STOP” switch indicator flashes in amber
The system may be malfunctioning. Have the vehicle inspected by your Lexus
dealer immediately.
nIf the electronic key battery is depleted
→P. 4 9 6
The green indicator light on the “ENGINE
START STOP” switch will flash and a mes-
sage will be shown on the multi-information
display. Press the “ENGINE START STOP”
switch again while turning the steering wheel
left and right.

5

When trouble arises
577
5-2. Steps to take in an emergency
If the engine will not start
If the engine will not start even though correct starting procedures are
being followed (→P. 153), consider each of the following points.
nThe engine will not start, even though the starter motor operates
normally.
One of the following may be the cause of the problem:
lThere may not be sufficient fuel in the vehicle’s tank.
Refuel the vehicle.
lThe engine may be flooded.
Try to restart the engine again following correct starting proce-
dures. (→P. 1 5 3 )
lThere may be a malfunction in the engine immobilizer system.
(→P. 1 0 1 )
nThe 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:
lThe battery may be discharged. (→P. 584)
lThe battery terminal connections may be loose or corroded.
nThe starter motor does not turn over.
The engine starting system may be malfunctioning due to an electri-
cal problem such as an open circuit or a blown fuse. However, an
interim measure is available to start the engine. (→P. 5 7 8 )

655
Alphabetical index
Electric power steering ....................... 231
Electronic features control ................ 173
Electronic key
If the electronic key does not
operate properly ............................. 581
Emergency flasher switch .................524
Emergency, in case of
If the electronic key does not
operate properly ............................. 581
If the engine will not start ................577
If the shift lever cannot be
shifted from P ................................... 579
If the vehicle has a
discharged battery ........................ 584
If a warning buzzer sounds .......... 535
If a warning light turns on .............. 535
If a warning message is
displayed ............................................ 545
If you have a flat tire ........................ 564
If you lose your keys ....................... 580
If you think something is
wrong..................................................... 531
If your vehicle becomes stuck ....590
If your vehicle has to be stopped
in an emergency...............................591
If your vehicle needs to be
towed ................................................... 525
If your vehicle overheats................ 587
Engine
Accessory mode................................. 153
Compartment......................................463
Engine switch ........................................ 153
Hood ....................................................... 460
How to start the engine ................... 153
Identification number ...................... 595
If the engine will not start................ 577
Ignition switch ....................................... 153
Overheating ........................................ 587
Engine compartment cover ............. 464
Engine coolant
Capacity ................................................ 599
Checking ...............................................470
Preparing and checking
before winter ....................................254
Engine coolant temperature
gauge....................................................... 166
Engine immobilizer system..................101
Engine oil
Capacity .................................................597
Checking .............................................. 466
Preparing and checking
before winter ....................................254
Engine oil maintenance data............468
EPS .............................................................. 231
Event data recorder ............................533
E

662
Alphabetical index
Tachometer .............................................. 166
Tail lights
Replacing light bulbs..........................512
Switch ....................................................... 184
Wattage................................................. 605
Theft deterrent system
Alarm ........................................................ 103
Engine immobilizer system ............. 101
Tire inflation pressure ......................... 487
Tire information
Glossary.................................................. 615
Size ............................................................. 612
Tire identification number ................ 611
Uniform tire quality grading ...........613
Tires
Chains ..................................................... 254
Checking ............................................... 478
If you have a flat tire ..........................564
Inflation pressure................................ 487
Inflation pressure sensor................ 479
Information........................................... 609
Replacing ...............................................564
Rotating tires ........................................ 478
Size ...........................................................602
Snow tires .............................................. 254
Spare tire................................................565
Tire pressure warning
system ...................................... 479, 537
Tools ...........................................................564
Total load capacity ...............................253
Towing
Emergency towing ........................... 526
Trailer towing ...................................... 258
TRAC ..........................................................231
Traction control.......................................231
Trip information display ....................... 173
Trip meter ..................................................166
Turn signal lights
Replacing light bulbs ...........................511
Switch ........................................................ 163
Wattage ................................................. 605
USB port .................................................. 325
T
U

665
What to do if...
What to do if...
A tire puncturesP. 5 6 4If you have a flat tire
The engine does not start
P. 5 7 7If the engine will not start
P. 1 0 1Engine immobilizer system
P. 5 8 4If the battery is discharged
The shift lever cannot be
moved outP. 5 7 9
If the shift lever cannot be shifted
from P
The engine coolant temperature
gauge enters the red zone
Steam can be seen coming
from under the hood
P. 5 8 7If your vehicle overheats
The key is lostP. 5 8 0If you lose your keys
The battery runs outP. 5 8 4If the battery is discharged
The doors cannot be lockedP. 4 7Side doors
P. 5 0Back door
The horn begins to soundP. 1 0 3Alarm
The vehicle is stuck in mud or
sandP. 5 9 0If the vehicle becomes stuck