2015 LEXUS RX450h immobilizer

TABLE OF CONTENTS Index
21-1. Hybrid system
Hybrid system .................................. 30
Hybrid system precautions ......... 34
Energy monitor/consumption
screen................................................ 39
Hybrid vehicle driving tips........... 49
1-2. Key information
Keys ....................................................... 51
1-3. Opening, closing and locking
the doors
Smart access system with
push-button start .......................... 56
Wireless remote control .............. 69
Side doors .......................................... 72
Back door ........................................... 75 1-4. Adjustable components
(seats, mirrors,
steering wheel)
Front seats .......................................... 86
Rear seats ........................................... 89
Driving position memory ............. 93
Head restraints................................. 97
Seat belts ............................................ 99
Steering wheel................................ 105
Anti-glare inside rear view
mirror .............................................. 107
Outside rear view mirrors ......... 109
1-5. Opening and closing the
windows and moon roof
Power windows................................ 112
Moon roof .......................................... 115
1-6. Refueling
Opening the fuel tank cap........... 119
1-7. Theft deterrent system
Immobilizer system ...................... 124
Alarm.................................................. 126
Theft prevention labels ............... 1291
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. Hybrid system
Hybrid system ........................... 30
Hybrid system precautions .... 34
Energy monitor/
consumption screen .............. 39
Hybrid vehicle driving tips...... 49
1-2. Key information
Keys ................................................ 51
1-3. Opening, closing and
locking the doors
Smart access system with
push-button start .................... 56
Wireless remote control ......... 69
Side doors.................................... 72
Back door .................................... 75
1-4. Adjustable components
(seats, mirrors,
steering wheel)
Front seats ................................... 86
Rear seats ................................... 89
Driving position memory ........ 93
Head restraints .......................... 97
Seat belts ..................................... 99
Steering wheel ......................... 105 Anti-glare inside rear view
mirror....................................... 107
Outside rear view
mirrors..................................... 109
1-5. Opening and closing the
windows and moon roof
Power windows ......................... 112
Moon roof .................................. 115
1-6. Refueling
Opening the fuel tank
cap ............................................. 119
1-7. Theft deterrent system
Immobilizer system ................ 124
Alarm.......................................... 126
Theft prevention labels ......... 129
1-8. Safety information
Correct driving posture ....... 130
SRS airbags .............................. 132
Front passenger occupant
classification system............ 145
Child restraint systems ......... 150
Installing child restraints....... 154

1241-7. Theft deterrent system
Immobilizer system The vehicle's keys have built-in tran sponder chips that prevent the hybrid
system 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 “POWER” switch has been
turned off to indicate that the
system is operating.
The indicator light stops flashing
after the “POWER” switch has
been turned to ACCESSORY
or 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 “POWER” switch has been
turned off to indicate that the
system is operating.
The indicator light stops flashing
after the “POWER” switch has
been turned to ACCESSORY
or ON mode to indicate that the
system has been canceled.

1251-7. Theft deterrent system
1
Before driving ■
System maintenance
The vehicle has a maintenance-free type immobilizer system.■
Conditions affecting operation
Depending on surrounding environment and conditions, the immobilizer system
may not operate properly. This may prevent the hybrid system from starting.
(  P. 6 2 )■
Certifications for the 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.

1802-1. Driving procedures
■
Note for the entry function
 P. 6 3■
If the hybrid system does not start
The immobilizer system may not have been deactivated. (  P. 1 2 4 )
Contact your Lexus dealer.■
Steering lock
After turning the “POWER” switch off and opening and closing the doors, the
steering wheel will be locked due to th e steering lock function. Operating the
“POWER” 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 hybrid system is turned on and off re peatedly in a short period of time. In this
case, refrain from operating the hybrid sy stem. After about 2 seconds, the steering
lock motor will resume functioning.■
When the “POWER” switch indicator flashes in amber
The system may be malfunctioning. Have the vehicle inspected by your Lexus
dealer immediately.■
If the “READY” indicator does not come on
If the “READY” indicator does not come on when you press the “POWER” switch
with the shift lever in P and the brake pe dal depressed, contact your Lexus dealer
immediately.
■
If the hybrid system is malfunctioning
 P. 74 4
■
If the electronic key battery is depleted
 P. 6 8 7 The green indicator light on the “POWER”
switch will flash and a message will be shown
on the multi-information display. Press the
“POWER” switch again while turning the
steering wheel left and right.

5
When trouble arises
7775-2. Steps to take in an emergency
If the hybrid system will not start Reasons for the hybrid system not starting vary depending on the situation.
Check the following and perform the appropriate procedure:
■ The hybrid system will not start even though the correct starting
procedure is being followed. (  P. 1 7 7 )
One of the following may be the cause of the problem:
● The electronic key may not be functioning properly. (  P. 7 8 2 )
● There may be a malfunction in the immobilizer system. (  P. 1 2 4 )
● There may be a malfunction in the steering lock system.
● The hybrid system may be malfunc tioning due to an electrical
problem such as an open circ uit or a blown fuse. However,
depending on the type of malfunc tion, an interim measure is avail-
able to start the hybrid system. (  P. 7 7 8 )
■ The interior lights and headlights are dim, or the horn does not
sound or sounds at a low volume.
One of the following may be the cause of the problem:
● The 12-volt battery may be discharged. (  P. 7 8 4 )
● The 12-volt battery terminal co nnections may be loose or cor-
roded.
■ The interior lights and headlights do not turn on, or the horn does
not sound.
One of the following may be the cause of the problem:
● One or both of the 12-volt battery terminals may be discon-
nected.
● The 12-volt battery may be discharged. (  P. 7 8 4 )
Contact your Lexus dealer if the problem cannot be repaired, or if
repair procedures are unknown.

866Alphabetical index
I/M test ...................................................... 647
Identification
Electric motor ..................................... 800
Engine .................................................... 800
Vehicle .................................................... 799
Ignition switch........................................... 177
Illuminated entry system ....................582
Immobilizer system ............................... 124
Indicator lights......................................... 201
Initialization
Items to initialize ................................. 837
Inside rear view mirror ........................ 107
Instrument panel light control
buttons .................................................... 198
Interior lights
Interior lights.........................................582
Switch ......................................................583
Wattage................................................. 809
iPod* ................................................. 391, 501
Jack
Positioning a floor jack.................... 652
Vehicle-equipped jack ................... 764
Jack handle .............................................. 764 Keyless entry ............................................. 69
Keys
Electronic key .......................................... 51
If the electronic key does not
operate properly.............................. 781
If you lose your keys ........................ 780
Key number............................................... 51
Keyless entry............................................69
Keys............................................................... 51
Mechanical key ......................................52
“POWER” switch .................................177
Wireless remote control key...........69
Lexus Display Audio controller...... 328
Lexus Display Audio system............ 328
Lexus Enform with
Safety Connect*
Light bulbs
Replacing .............................................. 708
Wattage .................................................809
Lights
Door courtesy lights ........................ 582
Emergency flasher switch.............. 724
Fog light switch .....................................221
Hazard light switch ........................... 724
Headlight switch ...................................217
Interior light switch ........................... 583
Luggage compartment light ........... 77
Outer foot lights................................. 582
Overhead courtesy light ............... 582
Personal light switch ........................ 583
Replacing light bulbs ....................... 708
Scuff lights ............................................. 582I
J K
L

871Alphabetical index
Tachometer .............................................. 197
Tail lights
Replacing light bulbs ....................... 708
Switch ........................................................ 217
Wattage ................................................ 809
Talk switch*.................................. 429, 553
Telephone* .................................. 429, 552
Telephone switch* .................... 429, 553
Theft deterrent system
Alarm ......................................................... 126
Immobilizer system ............................ 124
Theft prevention labels ........................ 129
Tire inflation pressure..........................679
Tire information
Glossary ..................................................819
Size ............................................................ 815
Tire identification number .............. 815
Uniform tire quality grading........... 817
Tires
Chains ..................................................... 302
Checking ............................................... 670
If you have a flat tire.......................... 764
Inflation pressure ............................... 679
Inflation pressure sensor.................. 671
Information..............................................813
Replacing............................................... 764
Rotating tires ........................................ 670
Size ........................................................... 807
Snow tires.............................................. 302
Spare tire ............................................... 764
Tire pressure warning
system...................................... 670, 736 Tools ........................................................... 764
Total load capacity ................................ 301
Towing
Dinghy towing ..................................... 324
Emergency towing............................ 725
Trailer towing ...................................... 306
TRAC...........................................................271
Traction control .......................................271
Trailer towing ............................. 306, 323
Trip information display......................206
Trip meter ..................................................197
Turn signal lights
Replacing light bulbs ....................... 708
Switch........................................................ 193
Wattage ................................................. 809T
*: For vehicles with a navigation system, refer to the “Navigation System Owner’s Manual”.