
3387-2. Steps to take in an emergency
■Warning messages
The warning messages explained below
may differ from the actual messages
according to operation conditions and vehi-
cle specifications.
■Warning buzzer
A buzzer may sound when a message is dis-
played.
The buzzer may not be audible if the vehicle
is in a noisy location or if the audio system
volume is high.
■If “Engine Oil Level Low Add or
Replace” is displayed
The engine oil level is low. Check the level
of the engine oil, and add if necessary.
This message may appear if the vehicle is
stopped on a slope. Move the vehicle to a
level surface and check to see if the mes-
sage disappears.
WARNING
TPMS (tire pressure warning system)
malfunctions may occu r for a variety of
reasons, including the installation of
replacement or alternate tires or wheels
on the vehicle that prevent the TPMS
(tire pressure warning system) from func-
tioning properly. Always check the
TPMS (tire pressure warning system)
malfunction telltale after replacing one
or more tires or wheels on your vehicle to
ensure that the replacement or alternate
tires and wheels allow the TPMS (tire
pressure warning system) to continue to
function properly.
NOTICE
■To ensure the tire pressure warning
system operates properly
Do not install tires wi th different specifi-
cations or makers, as the tire pressure
warning system may not operate prop-
erly.
If a warning message is dis-
played
The multi-information display
shows warnings for system malfunc-
tions and incorrectly performed
operations, and messages that indi-
cate a need for maintenance.
When a message is displayed, per-
form the appropriate corrective
action for the message.
If a warning message is displayed
again after the appropriate actions
have been performed, contact your
Lexus dealer.
Additionally, if a warning light
comes on or flashes at the same
time that a warning message is dis-
played, take the appropriate cor-
rective action for the warning light.
( P.329)

3397-2. Steps to take in an emergency
7
When trouble arises
■If “Engine Stopped Steering Power
Low” is displayed
This message is displa yed if the engine is
stopped while driving.
When steering wheel operations are
heavier than usual, gr ip the steering wheel
firmly and operate it using more force than
usual.
■If “Auto Power Off to Conserve Battery”
is displayed
Power was turned off due to the automatic
power off function. Next time when starting
the engine, increase the engine speed
slightly and maintain that level for approxi-
mately 5 minutes to recharge the battery.
■If “Headlight System Malfunction Visit
Your Dealer” is displayed
The following systems may be malfunction-
ing. Have the vehicle inspected by your
Lexus dealer immediately.
●The LED headlight system
●The automatic headlig ht leveling system
(if equipped)
●Automatic High Beam
■If “Radar Cruise Control Unavailable
See Owner's Manual” is displayed
The dynamic radar cruise control with
full-speed range system is suspended tem-
porarily or until the problem shown in the
message is resolved. (causes and coping
methods: P.163)
■If “Radar Cruise Control Unavailable” is
displayed
The dynamic radar cruise control with
full-speed range system cannot be used
temporarily. Use the system when it
becomes available again.
■If a message that indicates the malfunc-
tion of front camera is displayed
The following systems may be suspended
until the problem shown in the message is
resolved. ( P.163, 329)
●PCS (Pre-Collision system)
●LTA (Lane Tracing Assist)
●Automatic High Beam
●RSA (Road Sign Assi st) (if equipped)
●Dynamic radar cruise control with
full-speed range
■If a message that indicates the malfunc-
tion of radar sensor is displayed
The following systems may be suspended
until the problem show n in the message is
resolved. ( P.163, 329)
●PCS (Pre-Collision system)
●LTA (Lane Tracing Assist)
●Dynamic radar cruise control with
full-speed range
■If “Maintenance Required Soon” is dis-
played
Indicates that all maintenance according to
the driven distance on the maintenance
schedule
* should be performed soon.
Comes on approximately 4500 miles
(7200 km) after the message has been
reset. If necessary, perform maintenance.
Please reset the message after the mainte-
nance is performed. (P.278)
*: Refer to the separate “Scheduled Main-
tenance” or “Owner’s Manual Supple-
ment” for the main tenance interval
applicable to your vehicle.
■If “Maintenance Required Visit Your
Dealer” is displayed
Indicates that all mainte nance is required to
correspond to the driven distance on the
maintenance schedule
*.
Comes on approximately 5000 miles
(8000 km) after the message has been
reset. (The indicator will not work properly
unless the message has been reset.) Per-
form the necessary maintenance. Please
reset the message after the maintenance is
performed. ( P.278)
*: Refer to the separate “Scheduled Main-
tenance” or “Owner’s Manual Supple-
ment” for the main tenance interval
applicable to your vehicle.
■If “Oil Maintenance Required Soon” is
displayed
Indicates that the engine oil should be
scheduled to be changed.

3407-2. Steps to take in an emergency
Check the engine oil and change it if neces-
sary. After changing the engine oil, make
sure to reset the message. (P.291)
■If “Oil Maintenance Required” is dis-
played
Indicates that the en gine oil should be
changed.
Check and change the engine oil, and oil fil-
ter by your Lexus deal er. After changing the
engine oil, make sure to reset the message.
( P.291)
■If a message that in dicates the need for
visiting your Lexus dealer is displayed
The system or part shown on the
multi-information display is malfunctioning.
Have the vehicle inspected by your Lexus
dealer immediately.
■If a message that in dicates the need for
referring to Owner’s Manual is dis-
played
●If any of the following messages are
shown on the multi-information display,
follow the instructions.
• “Engine Coolant Temp High” ( P.357)
• “High Transmission Fluid Temp” ( P.134)
●If any of the following messages are
shown on the multi-information display, it
may indicate a malf unction. Have the
vehicle inspected by your Lexus dealer
immediately.
• “Access System with Elec. Key Malfunc-
tion”
●If any of the following messages are
shown on the multi-info rmation display, it
may indicate a malfunction. Immediately
stop the vehicle and contact your Lexus
dealer.
• “Braking Power Low”
• “Charging System Malfunction”
• “Oil Pressure Low”
NOTICE
■If “High Power Consumption Power
to Climate Temporarily Limited” is
displayed frequently
There is a possible malfunction relating
to the charging system or the battery
may be deteriorating. Have the vehicle
inspected by your Lexus dealer.

363
8
8
Vehicle specifications
Vehicle specifications
.8-1. SpecificationsMaintenance data (fuel, oil level, etc.) .............................................. 364
Fuel information ......................... 376
Tire information.......................... 378
8-2. Customization Customizable features............ 388
8-3. Initialization Items to initialize ........................ 398

3648-1. Specifications
8-1.Specifications
*1: IS350 AWD/IS350/IS300 AWD/IS300
*2:IS500
*3: Unladen vehicles
*4:2WD models
*5:AWD models
*6: Vehicles with 235/45R18 or 235/40R19 rear tires
*7: Vehicles with 265/35R19 rear tires
■Vehicle identification number
The vehicle identification number
(VIN) is the legal identifier for your
vehicle. This is the primary identifica-
tion number for your Lexus. It is used in registering the ownership of your vehi-
cle.
This number is stamped on the top left
of the instrument panel and in the
engine compartment.
Maintenance data (fuel, oil level, etc.)
Dimensions and weight
Overall length185.4 in. (4710 mm)*1
187.3 in. (4758 mm)*2
Overall width72.4 in. (1840 mm)
Overall height*356.5 in. (1435 mm)*4
56.7 in. (1440 mm)*5
Wheelbase110.2 in. (2800 mm)
Tread*1
Front62.2 in. (1580 mm)
Rear63.0 in. (1600 mm)*6
61.8 in. (1570 mm)*7
Vehicle capacity weight
(Occupants + luggage)825 lb. (375 kg)
Seating capacity
Seating capacity5 (Front 2, Rear 3)
Vehicle identification

3988-3. Initialization
8-3.Initialization
*:If equipped
Items to initialize
The following items must be initialized for normal system operation after such
cases as the battery being reconnecte d, or maintenance being performed on
the vehicle:
List of items to initialize
ItemWhen to initializeReference
PKSB (Parking Support
Brake)
*• After reconnecting or changing the
batteryP.220
Intuitive parking assist*• After reconnecting or changing the
batteryP.205
Message indicating
maintenance is
required
• After the maintenance is performedP.278
Oil maintenance• After the maintenance is performedP.291
Tire pressure warning
system
• When rotating the tires
• When the tire inflation pressure is
changed such as when changing
traveling speed or load weight
• When changing the tire size
P.300
Lexus parking assist
monitor
*
• Battery has been reinstalled.
• The steering wheel has been moved while the battery was being reinstalled.
• Battery power is low.Refer to the “NAVI-
GATION AND MUL- TIMEDIA SYSTEM OWNER’S MAN- UAL”.
Panoramic view moni-
tor
*
• Battery has been reinstalled.
• The steering wheel has been moved while the battery was being reinstalled.
• Battery power is low.Refer to the “NAVI-
GATION AND MUL- TIMEDIA SYSTEM OWNER’S MAN- UAL”.

417Alphabetical Index
Distance until next engine oil change .....74
Do-it-yourself maintenance .................... 279
Door courtesy lights ................................... 253Wattage.......................................................... 375
Door lock Doors .................................................................. 90
Smart access system with push-button start ................................................................... 97
Wireless remote control...........................88
Doors Automatic door lock ing and unlocking
system ............................................................. 93
Door glasses ....................................................114
Door lock.......................................................... 90
Open door warning buzzer ............ 91, 93
Outside rear view mirrors ........................112
Rear door child-protectors ..................... 93
Drive distance .................................................. 78
Drive info 1/Drive info 2/Drive info 3.... 78
Driver’s seat position memory Driving position memory........................ 104
Memory recall function ........................... 105
Power easy access system .................... 104
Drive-Start Control (DSC) Sudden start restraint control................125
Driving Break-in tips .....................................................121
Correct driving posture .............................23
Driving mode select switch ...................227
Procedures .....................................................120
Winter drive tips......................................... 234
Driving information display ......................... 77
Driving position memory........................... 104 Memory recall function ........................... 105
Power easy access system .................... 104
Driving range ................................................... 78
Driving support system information display ............................................................................. 80
DSC (Drive-Start Control) Sudden start restraint control................125 Dynamic radar cruise control with
full-speed range ..........................................187 Warning message ...................................... 195
E
Eco Driving Indicator.....................................79
Eco Driving Indicator Light .........................79
EDR (Event data recorder) ............................7
Elapsed time ..................................................... 78
Electric Power Steering (EPS) .............. 229 Warning light ............................................... 332
Electronic key .................................................. 86 Battery-saving function..............................98
If the electronic key does not operate properly ........................................................ 351
Replacing the battery .............................. 308
Emergency flashers .................................... 320
Emergency, in case of If a warning buzzer sounds...................329
If a warning light turns on.......................329
If a warning message is displayed.... 338
If the battery is discharged ....................353
If the electronic key does not operate properly ........................................................ 351
If the engine will not start........................349
If the fuel filler do or cannot be opened
........................................................................... 351
If the vehicle is submerged or water on the road is rising ........................................321
If you have a flat tire ....................................341
If you lose your keys ................................ 350
If you think something is wrong.......... 327
If your vehicle becomes stuck .............. 361
If your vehicle has to be stopped in an emergency .................................................320
If your vehicle needs to be towed ..... 323
If your vehicle overheats ........................357
Engine ACCESSORY mode................................132
Compartment..............................................287
Engine switch ................................................ 130
Fuel pump shut off system.....................328

418Alphabetical Index
Hood................................................................285
How to start the engine ........................... 130
Identification number ...............................365
If the engine will not start ....................... 349
If your vehicle has to be stopped in an
emergency ................................................ 320
Ignition switch (engine switch) ............ 130
Overheating................................................. 357
Tachometer ............................................ 69, 70
Engine coolant Capacity .........................................................369
Checking ....................................................... 292
Preparing and checking before winter......................................................................... 234
Engine coolant temperature gauge 69, 70
Engine immobilizer system ........................ 60
Engine oil Capacity ......................................................... 367
Checking .......................................................289
Preparing and checking before winter......................................................................... 234
Warning light ...............................................330
Engine oil maintenance data ....................291
Engine oil pressure gauge ...........................79
Engine oil temperature gauge ...................79
Engine switch ................................................. 130 Auto power off function ........................... 132
Changing the engine switch modes.. 132
If your vehicle has to be stopped in an
emergency ................................................ 320
Enhanced Vehicle Stability Control (Enhanced VSC) ...................................... 229
Enhanced VSC (Enhanced Vehicle Stabil- ity Control) .................................................. 229
EPS (Electric Power Steering) .............. 229 Warning light ............................................... 332
Event data recorder (EDR) ............................7
F
First-aid kit storage belt ............................ 258
Flat tire Tire pressure warning system ............. 299 Vehicles with a spare tire.........................341
Floor mats ...........................................................22
Fluid Automatic transmission ..........................370
Brake ..................................................................371
Washer ...........................................................296
Footwell lights ............................................... 253 Wattage ..........................................................375
Front passenger occupant classification system .............................................................. 36
Front seats Adjustment ..................................................... 102
Cleaning ......................................................... 274
Correct driving posture ............................ 23
Driving position memory ........................ 104
Head restraints............................................. 107
Memory recall function............................ 105
Power easy access system .................... 104
Seat heaters ................................................... 251
Seat position memory .............................. 104
Seat ventilators ............................................. 251
Front side marker light Light switch .................................................... 145
Replacing light bulbs ..................................314
Front turn signal lights Replacing light bulbs....................... 314, 315
Turn signal lever .......................................... 138
Wattage ..........................................................375
Fuel Capacity ......................................................... 367
Fuel gauge............................................... 69, 70
Fuel pump shut off system.....................328
Information .................................................... 376
Refueling...........................................................157
Type .................................................................. 367
Warning light ............................................... 332
Fuel consumption Average fuel economy .............................. 78
Current fuel consumption ........................ 78
Fuel filler door If the fuel filler do or cannot be opened
........................................................................... 351