Page 65 of 628
651-1. 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.
Child restraint system suitability for various seating positions
(with ISOFIX rigid anchors)
Mass groupsSize classFixture
Vehicle ISOFIX
positions
Rear outboard
CarrycotFISO/L1 X
GISO/L2 X
(1) X
Group 0
Up to 10 kg (22 lb.)EISO/R1IL1
*, IL2*
(1) X
Group 0+
Up to 13 kg (28 lb.)EISO/R1IL1
*, IL2*
DISO/R2IL1*, IL2*
CISO/R3IL1*, IL2*
(1) X
Group I
9 to 18 kg
(20 to 39 lb.)DISO/R2 X
CISO/R3 IL3
*
BISO/F2IUF*, IL2*
B1 ISO/F2X IUF*, IL2*
AISO/F3IUF*, IL2*
(1) X
Group II
15 to 25 kg (34 to 55 lb.)(1) X
Group III
22 to 36 kg (49 to 79 lb.)(1) X
Page 66 of 628

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
Page 70 of 628
701-1. For safe use
IS300h_EE(OM53B95E)
Seat belts (An ELR belt requires a
locking clip)
ISOFIX rigid anchors
Lower anchors are provided for the
outboard rear seats, behind the
anchor covers.
Anchor brackets (for top strap)
An anchor bracket is provided for
the outboard rear seats.
Installing child restraints
Follow the child restraint system manufacturer’s instructions. Firmly
secure child restraints to the seats using a seat belt or ISOFIX rigid
anchors. Attach the top strap when installing a child restraint.
Page 74 of 628
741-1. For safe use
IS300h_EE(OM53B95E)
Remove the head restraint if it
interferes with your child
restraint system.
Latch the buckles onto the exclu-
sive fixing bars.
If the child restraint has a top strap,
the top strap should be latched onto
the anchor bracket.
Installation with ISOFIX rigid anchor
1
2
Page 75 of 628
751-1. For safe use
1
For safety and security
IS300h_EE(OM53B95E)
Remove the head restraint if it
interferes with your child
restraint system.
Secure the child restraint system
using the seat belt or ISOFIX
rigid anchors.
Open the anchor bracket cover,
latch the hook onto the anchor
bracket and tighten the top strap.
Make sure the top strap is securely
latched.
When installing a child restraint system
You need a locking clip to install the child restraint system. Follow the instruc-
tions provided by the manufacturer of the system. If your child restraint system
does not provide a locking clip, you can purchase the following item from any
authorized Lexus dealer or repairer, or another duly qualified and equipped pro-
fessional:
Locking clip for child restraint system
(Part No. 73119-22010)
Child restraint systems with a top strap
1
2
3
Page 610 of 628

594Alphabetical index
IS300h_EE(OM53B95E)
Card key ....................................130
Care ...................................426, 430
Aluminum wheels.................427
Exterior .................................426
Interior ..................................430
Seat belts...............................431
Cargo hooks ..............................417
Caution label ...............................83
CD player ..................................341
Chains ........................................312
Child restraint system ..................61
Baby seats, definition .............62
Baby seats, installation ...........71
Child seats, definition .............62
Child seats, installation...........71
Installing CRS with ISOFIX
rigid anchors.........................74
Installing CRS with seat belts 71
Installing CRS with top strap .75
Junior seats, definition ............62
Junior seats, installation .........73Child safety................................. 60
12-volt battery
precautions ................ 449, 554
Airbag precautions................. 45
Child restraint system ............ 61
How your child should
wear the seat belt ................. 40
Installing child restraints ....... 70
Moon roof precautions......... 190
Power window lock switch .. 184
Power window precautions.. 186
Rear door child-protectors ... 140
Removed electronic key
battery precautions ............ 474
Seat belt precautions .............. 42
Seat heater precautions ........ 409
Trunk precautions ............... 147
Child-protectors ....................... 140
Cleaning............................ 426, 430
Aluminum wheels ................ 427
Exterior ................................ 426
Interior ................................. 430
Seat belts .............................. 431
C
Page 616 of 628

600Alphabetical index
IS300h_EE(OM53B95E)
Hooks
Cargo hooks ..........................417
Coat hooks ............................424
Retaining hooks (floor mat) ...34
Horn...........................................177
Hybrid battery (traction battery) .83
Hybrid battery (traction battery)
air vents .....................................84
Hybrid system .............................79
Emergency shut off system ....84
Energy monitor/
consumption screen ............122
EV drive mode......................214
High voltage components .......83
Hybrid System Indicator ......114
Hybrid system precautions .....83
Hybrid vehicle driving tips ...309
If the hybrid system
will not start .......................546
Overheating ..........................556
Power (ignition) switch ........209
Starting the hybrid system ....209
Hybrid System Indicator ...........114
Hybrid transmission ..................216
If the shift lever cannot be
shifted from P .....................548
Paddle shift switches ............218
S mode ..................................219Identification
Engine .................................. 563
Vehicle ................................. 563
Ignition switch (power switch) . 209
Illuminated entry system .......... 412
Immobilizer system .................... 90
Indicators .................................. 106
Initialization
Moon roof ............................ 189
Multi-information display.... 118
Power windows.................... 185
Tire pressure warning
system................................ 451
Inside door handle lights .......... 411
Inside rear view mirror ............. 178
Instrument panel light control .. 113
Interior lights ............................ 411
Wattage ................................ 572
Intrusion sensor and tilt sensor ... 99
ISOFIX rigid anchors ................. 70I