2015 LEXUS RX350 immobilizer

TABLE OF CONTENTS Index
21-1. Key information
Keys ..................................................... 30
1-2. Opening, closing and locking
the doors
Smart access system with
push-button start .......................... 35
Wireless remote control .............. 49
Side doors .......................................... 52
Back door ........................................... 56
1-3. Adjustable components
(seats, mirrors,
steering wheel)
Front seats .......................................... 68
Rear seats ........................................... 72
Driving position memory ................ 76
Head restraints.................................. 81
Seat belts ........................................... 83
Steering wheel................................. 90
Anti-glare inside rear
view mirror ...................................... 92
Outside rear view mirrors ........... 95 1-4. Opening and closing the
windows and moon roof
Power windows................................ 98
Moon roof ......................................... 101
1-5. Refueling
Opening the fuel tank cap......... 105
1-6. Theft deterrent system
Engine immobilizer system ........ 110
Alarm.................................................... 112
Theft prevention labels ................. 116
1-7. Safety information
Correct driving posture ............... 117
SRS airbags ....................................... 119
Front passenger occupant
classification system .................. 132
Child restraint sy stems ............... 137
Installing child restraints ............... 1411
Before drivingFor vehicles with a navigation system, refer to the “Navigation System Owner’s
Manual” for information regarding the equipment listed below.
• Navigation system
• Air conditioning controls
• Windshield wiper de-icer
• Rear view monitor system • Intuitive parking assist
• Audio/video system
• Rear window and outside rear view
mirror defogging

Before driving
1
291-1. Key information
Keys .............................................. 30
1-2. Opening, closing and
locking the doors
Smart access system with
push-button start .................... 35
Wireless remote control ......... 49
Side doors.................................... 52
Back door .................................... 56
1-3. Adjustable components
(seats, mirrors,
steering wheel)
Front seats ................................... 68
Rear seats .................................... 72
Driving position memory ........ 76
Head restraints ........................... 81
Seat belts .................................... 83
Steering wheel .......................... 90
Anti-glare inside rear view
mirror ......................................... 92
Outside rear view mirrors ...... 95 1-4. Opening and closing the
windows and moon roof
Power windows .......................... 98
Moon roof .................................. 101
1-5. Refueling
Opening the fuel tank
cap ............................................ 105
1-6. Theft deterrent system
Engine immobilizer
system....................................... 110
Alarm........................................... 112
Theft prevention labels ........... 116
1-7. Safety information
Correct driving posture ......... 117
SRS airbags ............................... 119
Front passenger occupant
classification system............ 132
Child restraint systems ......... 137
Installing child restraints........ 141

1101-6. 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.
This system is designed to help prev ent vehicle theft but does not guaran-
tee absolute security ag ainst all vehicle thefts.
Vehicles with a navigation system or the Lexus Display Audio sys-
tem
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.
Vehicles without a navigation sy stem or the Lexus Display Audio
system
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.

1111-6. Theft deterrent system
1
Before driving ■
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
This system meets the certification requirements of Radio Law.
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
This device complies with Industry Cana da licence-exempt RSS standard(s). Oper-
ation is subject to the following two conditions: (1) this device may not cause inter-
ference, and (2) this device must accept any interference, including interference
that may cause undesired operation of the device.
CAUTION■
Certifications 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
■
To ensure the system operates correctly
Do not modify or remove the system. If mo dified or removed, the proper operation
of the system cannot be guaranteed.

1682-1. Driving procedures
■
If the engine does not start
The engine immobilizer system may not have been deactivated. (  P. 1 1 0 )
Contact your Lexus dealer.■
Steering 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.■
When the steering lock cannot be released
■
Steering 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.■
When the “ENGINE START STOP” switch indicator flashes in amber
The system may be malfunctioning. Have the vehicle inspected by your Lexus
dealer immediately.■
If the electronic key battery is depleted
 P. 7 0 1 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
7895-2. 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. 165), consider each of the following points.
■ The engine will not start, even th ough 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.
Refuel the vehicle.
● The engine may be flooded.
Try to restart the engine again following correct starting proce-
dures. (  P. 165)
● There may be a malfunction in the engine immobilizer system.
(  P. 1 1 0 )
■ The starter motor turns over slow ly, 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. 7 9 6 )
● The battery terminal connections may be loose or corroded.
■ The starter motor does not turn over.
The engine starting system may be malfunctioning due to an electri-
cal problem such as an open ci rcuit or a blown fuse. However, an
interim measure is available to start the engine. (  P. 790)

874Alphabetical index
Engine
Accessory mode ................................ 165
Compartment ..................................... 670
Engine switch........................................ 165
Hood........................................................ 667
How to start the engine................... 165
Identification number.......................807
If the engine will not start ...............789
Ignition switch....................................... 165
Overheating......................................... 799
Engine compartment cover ...............671
Engine coolant
Capacity .................................................... 811
Checking ............................................... 677
Preparing and checking
before winter .................................... 302
Engine coolant temperature
gauge.........................................................191
Engine immobilizer system..................110
Engine oil
Capacity ................................................ 809
Checking ............................................... 674
Preparing and checking
before winter .................................... 302
EPS ............................................................. 269
Event data recorder ............................... 26 Floor mat .................................................. 625
Fluid
Brake ......................................................... 814
Washer................................................... 683
Fog lights
Replacing light bulbs ......................... 719
Switch ........................................................ 215
Wattage ................................................... 817
Footwell light .......................................... 595
Front fog lights
Replacing light bulbs ......................... 719
Switch ........................................................ 215
Wattage ................................................... 817
Front passenger occupant
classification system ...........................132
Front passenger's seat belt
reminder light ......................................747
Front seats
Adjustment .............................................. 68
Driving position memory .................. 76
Flattening seatbacks ............................69
Front side marker lights
Replacing light bulbs ......................... 719
Front turn signal lights
Replacing light bulbs ......................... 719
Wattage ................................................... 817F

875Alphabetical index
Fuel
Capacity................................................ 808
Fuel gauge ................................................191
Fuel pump shut off system .............743
Information............................................. 818
Refueling ................................................. 105
Type........................................................... 818
Fuel door....................................................105
Fuel filler door..........................................105
Fuel pump shut off system .................743
Fuses.......................................................... 703
Garage door opener...........................632
Gauges........................................................ 191
Glove box ............................................... 599
Hands-free system for
mobile phone* ........................433, 560
Hazard lights
Switch ......................................................734
Head restraints
Adjustment ............................................... 81
Headlight aim .......................................... 717
Headlight cleaner .................................226
Headlights
Discharge headlight
precautions ........................................732
Replacing light bulbs ......................... 719
Switch .......................................................... 211
Wattage ................................................... 817
Head-up display
Display contrast adjustment
switch ................................................... 206
Display position adjustment
switch ................................................... 206 Head-up display main switch ..... 206
Heaters
Seat heaters ......................................... 620
Side mirrors* ......................................... 361
Steering wheel...................................... 619
Hill-start assist control ........................ 276
Hood .......................................................... 667
Hooks
Cargo ...................................................... 627
Coat..........................................................623
Horn ............................................................ 190
HUD
Display contrast adjustment
switch................................................... 206
Display position adjustment
switch................................................... 206
Head-up display main switch ..... 206
I/M test...................................................... 663
Identification
Engine..................................................... 807
Vehicle ................................................... 807
Ignition switch.......................................... 165
Illuminated entry system ....................595
Immobilizer system .................................110
Indicator lights......................................... 194
Initialization
Items to initialize .................................847
Inside rear view mirror .......................... 92
Instrument panel light control
buttons .................................................... 192G
H
*: For vehicles with a navigation system, refer to the “Navigation System Owner’s Manual”. I