TABLE OF CONTENTS2
IS300h_EE(OM53B95E)
For your information...................... 8
Reading this manual .................... 12
How to search .............................. 13
Pictorial index .............................. 14
1-1. For safe use
Before driving ..................... 34
For safety drive ................... 36
Seat belts ............................. 38
SRS airbags ......................... 43
Airbag manual on-off
system ............................... 54
Pop Up Hood....................... 56
Safety information
for children ........................ 59
Child restraint systems ........ 60
Installing child restraints ..... 69
Exhaust gas precautions ...... 78
1-2. Hybrid system
Hybrid system features........ 79
Hybrid system precautions .. 83
1-3. Theft deterrent system
Immobilizer system ............. 90
Double locking system ........ 95
Alarm .................................. 962. Instrument cluster
Warning lights and
indicators ......................... 104
Gauges and meters ............ 109
Multi-information display . 115
Energy monitor/
consumption screen......... 121
3-1. Key information
Keys .................................. 130
3-2. Opening, closing and locking
the doors and trunk
Doors ................................. 136
Trunk ................................. 143
Smart entry & start system 149
3-3. Adjusting the seats
Front seats ......................... 164
Rear seats .......................... 166
Driving position memory .. 168
Head restraints................... 173
3-4. Adjusting the steering
wheel and mirrors
Steering wheel ................... 176
Inside rear view mirror ...... 178
Outside rear view mirrors . 180
1For safety and security
2Instrument cluster
3Operation of each compo-
nents
7
1
9 8
7
6 4 3
2
IS300h_EE(OM53B95E)
5
If the electronic key does
not operate properly ........ 548
If the 12-volt battery is
discharged ....................... 550
If your vehicle overheats ... 555
If the vehicle becomes
stuck ................................ 559
9-1. Specifications
Maintenance data
(fuel, oil level, etc.) ......... 562
Fuel information................ 573
9-2. Customization
Customizable features ....... 575
9-3. Items to initialize
Items to initialize............... 585
What to do if...
(Troubleshooting) .................... 588
Alphabetical index ..................... 592
9Vehicle specifications
Index
For vehicles with a navigation system, refer to the “Navigation System
Owner’s Manual” for information regarding the equipment listed below.
• Navigation system
• Audio/video system• Lexus parking assist-sensor
• Lexus parking assist monitor
541-1. For safe use
IS300h_EE(OM53B95E)
“PASSENGER AIR BAG” indi-
cator
This indicator light turns on when
the airbag system is on (only when
the power switch is in ON mode).
Airbag manual on-off switch
Insert the mechanical key into the
cylinder and rotate to the “OFF”
position.
The “OFF” indicator light turns on
(only when the power switch is in
ON mode).
Airbag manual on-off system
This system deactivates the front passenger airbag and front passenger
knee airbag.
Only deactivate the airbags when using a child restraint system on the
front passenger seat.
1
2
Deactivating the front seat passenger airbag and front passenger
knee airbag
631-1. For safe use
1
For safety and security
IS300h_EE(OM53B95E)
Information provided in the table shows your child restraint system suit-
ability for various seating positions.
Key of letters inserted in the above table:
U: Suitable for “universal” category child restraint system approved for
the use in this mass group.
UF: Suitable for forward-facing “universal” category child restraint sys-
tem approved for the use in this mass group.
L1: Suitable for “LEXUS G 0
+, BABY SAFE PLUS with SEAT BELT
FIXATION, BASE PLATFORM” (0 to 13 kg [0 to 28 lb.]) approved
for the use in this mass group.
L2: Suitable for “LEXUS KIDFIX” (15 to 36 kg [34 to 79 lb.]) approved
for the use in this mass group.
X: Not suitable seat position for children in this mass group.
Child restraint system suitability for various seating positions
Front passenger seat
Rear seatAirbag manual
on-off switch
ONOFFOutboardCenter
0
Up to 10 kg (22 lb.)
(0 - 9 months)X
Never putU
*1U*3
L1*3X
0
+
Up to 13 kg (28 lb.)
(0 - 2 years)X
Never putU*1U*3
L1*3X
I
9 to 18 kg
(20 to 39 lb.)
(9 months - 4 years)Rear-
facing — X
Never put
U
*1U*3X
Forward-
facing —
UF
*1
II, III
15 to 36 kg
(34 to 79 lb.)
(4 - 12 years)UF
*1, 2U*1, 2U*2, 3
L2*2, 3X
Mass groups
Seating
position
661-1. For safe use
IS300h_EE(OM53B95E)
(1) For the child restraint system which do not carry the ISO/XX size
class identification (A to G), for the applicable mass group, the car
manufacturer shall indicate the vehicle specific ISOFIX child
restraint system(s) recommended for each position.
Key of letters inserted in the above table:
IUF: Suitable for ISOFIX forward-facing child restraint systems of uni-
versal category approved for use in this mass group.
IL1: Suitable for “LEXUS MINI” (0 to 13 kg [0 to 28 lb.]) approved for
the use in this mass group.
IL2: Suitable for “LEXUS MIDI” (0 to 18 kg [0 to 39 lb.]) approved for
the use in this mass group.
When using a “LEXUS MINI” or “LEXUS MIDI”, adjust the support leg
and the ISOFIX connectors as follows:
Lock the support leg where 4th
hole can be seen. (“LEXUS
MIDI” rear-facing, “LEXUS
MINI”)
Lock the support leg where 6th
hole can be seen. (“LEXUS
MIDI” forward-facing only)
Lock the ISOFIX connectors
where numbers 4 and 5 can be
seen.
IL3: Refer to the “HTS iZi Kid X3” user manual for fitment method.
X: ISOFIX position not suitable for ISOFIX child restraint systems in
this mass group and/or this size class.
*: Remove the head restraint if it interferes with your child restraint system. Do
not sit on rear center seat when child restraint system is installed to rear left
seat.
The child restraint system mentioned in the table may not be available
outside of the EU area.
Other child restraint systems which are different from the systems men-
tioned in the table can be used, but the suitability of the systems must be
carefully checked with the child restraint system manufacturer and
retailer.
1
2
3
981-3. Theft deterrent system
IS300h_EE(OM53B95E)
Triggering of the alarm
The alarm may be triggered in the following situations:
(Stopping the alarm deactivates the alarm system.)
Alarm-operated door lock
In the following situations, the doors are locked automatically to prevent intrud-
ers:
The doors are unlocked manually without the mechanical key and the alarm is
triggered.
While the alarm is operating, the doors are unlocked manually without the
mechanical key.
The doors or trunk are unlocked using the
mechanical key.
A person inside the vehicle opens a door,
the trunk or hood, or unlocks the vehicle
using a inside lock button.
The 12-volt battery is recharged or
replaced when the vehicle is locked. (P.
552)
NOTICE
To ensure the system operates correctly
Do not modify or remove the system. If modified or removed, the proper oper-
ation of the system cannot be guaranteed.
1883-5. Opening, closing the windows and moon roof
IS300h_EE(OM53B95E)
The moon roof can be operated when
The power switch is in ON mode.
Operating the moon roof after turning the hybrid system off
The moon roof can be operated for approximately 45 seconds after the power
switch is turned to ACCESSORY mode or turned off. It cannot, however, be
operated once either front door is opened.
Jam protection function
If an object is detected between the moon roof and the frame while the moon roof
is closing or tilting down, travel is stopped and the moon roof opens slightly.
Sunshade
The sunshade can be opened and closed manually. However, the sunshade will
open automatically when the moon roof is opened.
Door lock linked moon roof operation
The moon roof can be opened and closed using the mechanical key.* (P. 548)
The moon roof can be opened and closed using the wireless remote control.*
(P. 136)
*: These settings must be customized at any authorized Lexus dealer or repairer,
or another duly qualified and equipped professional.
605Alphabetical index
IS300h_EE(OM53B95E)
Radar cruise control (dynamic
radar cruise control) ................249
Radiator .....................................446
Radio .........................................339
Rear Crossing Traffic Alert .......309
Rear fog light.............................233
Replacing light bulb .............493
Switch ...................................233
Rear passengers’ seat belt
reminder lights ........................509
Rear seat ....................................166
Fold down the seatback ........166
Luggage security system ......145
Rear personal lights ...................412
Wattage .................................572
Rear sunshade............................422
Operation ..............................422
Reverse operation feature .....422
Rear turn signal lights ...............222
Replacing light bulbs ............486
Turn signal lever ...................222
Wattage .................................572Rear view mirror
Inside rear view mirror ........ 178
Outside rear view mirrors .... 180
Rear view monitor system ........ 279
Rear window defogger ............ 404
Refueling .................................. 241
Capacity ............................... 564
Fuel types............................. 564
If the fuel filler door cannot
be opened .......................... 243
Opening the fuel tank cap .... 243
Regenerative braking.................. 81
Remote Touch
*
Replacing
Electronic key battery .......... 472
Fuses .................................... 475
Light bulbs ........................... 479
Tires ..................................... 460
Rev indicator ............................ 118
Rev peak ................................... 118
Road accident cautions ............... 87
Run-flat tires ............................. 545
R
*: For vehicles with a navigation system, refer to the
“Navigation System Owner’s Manual”.