ignition LEXUS IS250 2016 Service Manual

328
4-3. Do-it-yourself maintenance
nHow to initialize the tire pressure warning system
To initialize the system, use the satellite switch. (→P. 260)
Park the vehicle in safe place and turn the “ENGINE START
STOP” switch OFF.
While the vehicle is moving, initialization is not performed.
Adjust the tire inflation pressure to the specified cold tire inflation
pressure level. (→P. 4 3 9 )
Make sure to adjust the tire pressure to the specified cold tire inflation
pressure level. The tire pressure warning system will operate based on
this pressure level.
Turn the “ENGINE START STOP” switch to IGNITION ON
mode.
The tire inflation pressure initial-
ization setting display
Continue to press < or > until the
initialization setting display
appears.
It may take several minutes to com-
plete the setting. Wait for several
minutes before turning the
“ENGINE START STOP” switch to
OFF if necessary.
STEP1
STEP2
STEP3
STEP4

329
4-3. Do-it-yourself maintenance
4

Maintenance and care
Recording tire inflation pressure
settings
Push and hold the “ON/OFF” but-
ton until the tire pressure warning
light blinks slowly three times and
the message “PRESSURE INI-
TIAL” appears on the multi-infor-
mation display.
Wait for a few minutes with the IGNITION ON mode, and then
turn the “ENGINE START STOP” switch OFF.
Registering and selecting ID codes
To select tire pressure warning valve and transmitter ID codes, use the
satellite switch. (→P. 260)
nRegistering ID codes
2 sets of tire pressure warning valve and transmitter ID codes can be
registered. Once a second set of tires is registered at “2ND”, you can
switch between tire set settings simply by pressing the tire pressure
warning select switch.
There are 2 settings:
“MAIN” position: The ID code of the tire pressure warning valve and
transmitter on the tires originally installed on the vehicle is registered.
“2ND” position:The ID code is not registered. When you replace a
new set of tires, purchase tire pressure warning valves and transmitters
from your Lexus dealer and have the new ID code registered by your
Lexus dealer.
STEP5

354
4-3. Do-it-yourself maintenance
nEngine compartment (type B fuse box)
FuseAmpereCircuit
1SPARE30 ASpare fuse
2SPARE25 ASpare fuse
3SPARE10 ASpare fuse
4FR CTRL-B25 AHeadlight high beam, horn
5A/F15 AExhaust system
6ETCS10 A
Multiport fuel injection system/
sequential multiport fuel injection sys-
tem
7ALT-S7. 5 ACharging system
8STR LOCK25 ASteering lock
9H-LP CLN30 AHeadlight cleaner
10A/C COMP7. 5 AAir conditioning system
11DEICER25 A
12FR CTRL-AM30 AFront fog lights, parking lights, wind-
shield washer
13IG210 AIgnition system

388
5-2. Steps to take in an emergency
nIf the tire pressure warning system is inoperative
The tire pressure warning system will be disabled in the following conditions:
(When the condition becomes normal, the system will work properly.)
lIf tires not equipped with tire pressure warning valves and transmitters are used
lIf the ID code on the tire pressure warning valves and transmitters is not regis-
tered in the tire pressure warning computer
lIf a different set of tires has been selected using the satellite switch.
lIf the tire inflation pressure is 73 psi (500 kPa, 5.1 kgf/cm2 or bar) or higher
The tire pressure warning system may be disabled in the following conditions:
(When the condition becomes normal, the system will work properly.)
lIf electronic devices or facilities using similar radio wave frequencies are nearby
lIf a radio set at similar frequencies is in use in the vehicle
lIf there is a lot of snow or ice on the vehicle, in particular around the wheels or
wheel housings
lIf non-genuine Lexus wheels are used (Even if you use Lexus wheels, the tire
pressure warning system may not work properly with some types of tires.)
lIf tire chains are used
nIf the tire pressure warning light comes on after blinking for 1 minute frequently
If the tire pressure warning light comes on after blinking for 1 minute frequently
when the “ENGINE START STOP” switch is turned to IGNITION ON mode, have
it checked by your Lexus dealer.

422
5-2. Steps to take in an emergency
nAvoiding a discharged battery
lTurn off the headlights and the audio system while the engine is off.
lTurn off any unnecessary electrical components when the vehicle is running at a
low speed for an extended period, such as in heavy traffic, etc.
CAUTION
nAvoiding battery fires or explosions
Observe the following precautions to prevent accidentally igniting the flammable
gas that may be emitted from the battery.
lMake sure the jumper cable is connected to the correct terminal and that it is not
unintentionally in contact with any part other than the intended terminal.
lDo not allow the jumper cables to come into contact with the “+” and “-” termi-
nals.
lDo not allow open flame or use matches, cigarette lighters or smoke near the
battery.
Maintain the engine speed on the second vehicle and turn the
“ENGINE START STOP” switch to IGNITION ON mode,
then start the vehicle’s engine.
Once the vehicle’s engine has started, remove the jumper
cables in the exact reverse order in which they were con-
nected.
Once the engine starts, have the vehicle checked at your Lexus dealer
as soon as possible.
STEP5
STEP6

435
6-1. Specifications
6

Vehicle specifications
Cooling system
Ignition system
Capacity9.6 q t .
(9.1 L, 8.0 lmp.qt.)
Coolant type
Use either of the following.

478
Alphabetical index
Cruise control
Cruise control.......................................166
Dynamic radar cruise control .......170
Cup holder .............................................. 254
Curtain shield airbags............................84
Customizable features ........................ 461
Daytime running light system ........... 157
Defogger
Rear window ..........................................218
Side mirror ..............................................218
Dimension ................................................430
Dinghy towing ............................ 205, 206
Display
Dynamic radar cruise control .......170
Satellite switch mode .......................260
Trip information ....................................152
Warning message............................. 392
Do-it-yourself maintenance .............304
Door courtesy lights
Door courtesy lights..........................247
Wattage.................................................. 445
Door pockets..........................................256
Doors
Door glasses ........................................... 69
Door lock.................................24, 36, 39
Side mirrors ............................................. 66
Driver's seat belt reminder light .... 385
Driving
Correct posture .................................... 82
Procedures .............................................. 116
Driving position memory ......................48
Electric power steering....................... 186
Electronic key
If the electronic key does not
operate properly.............................. 417
Emergency, in case of
If the engine will not start ................. 413
If the shift lever cannot be
shifted from P..................................... 415
If the vehicle has discharged
battery ................................................... 421
If the warning buzzer sounds...... 383
If the warning light turns on.......... 383
If the warning message is
displayed .............................................392
If you have a flat tire ........................ 404
If you lose your keys .......................... 416
If you think something is
wrong ...................................................379
If the electronic key does not
operate properly.............................. 417
If your vehicle becomes stuck ..... 427
If your vehicle needs to be
towed ....................................................373
If your vehicle overheats.................424
Emergency flashers
Switch ....................................................... 372
Engine
Compartment ....................................... 310
Engine switch ........................................ 126
Hood ....................................................... 307
How to start the engine ................... 126
Identification number ........................ 431
If the engine will not start ................. 413
Ignition switch ....................................... 126
Overheating .........................................424
D
E

480
Alphabetical index
Hazard lights
Switch...................................................... 372
Head restraints
Adjusting .................................................. 54
Headlight aim ......................................... 362
Headlight cleaner .................................. 165
Headlights
Discharge headlights
precautions .......................................369
Replacing light bulbs........................ 363
Switch ....................................................... 156
Wattage.................................................. 445
Heaters
Seat heaters .............................. 266, 269
Side mirror ..............................................218
Hill-start assist control ......................... 186
Hood ..........................................................307
Hooks
Cargo ...................................................... 278
Coat ......................................................... 276
Shopping bag ...................................... 278
Horn .............................................................. 141
I/M test ..................................................... 303
Identification
Engine ....................................................... 431
Vehicle ...................................................... 431
Ignition switch.......................................... 126
Illuminated entry system .................... 247
Indicator lights......................................... 148
Initialization
Items to initialize ................................. 467
Inside rear view mirror .......................... 65
Interior lights
Interior lights ......................................... 247
Switch .......................................................249
Wattage ................................................. 445
Jack
Positioning a floor jack ...................308
Vehicle-equipped jack................... 404
Jack handle ............................................. 404
Keyless entry ............................................. 36
Keys
Electronic key .........................................20
Engine switch ........................................ 126
If you lose your keys .......................... 416
If the electronic key does not
operate properly.............................. 417
Key number..............................................20
Keyless entry............................................36
Keys..............................................................20
Mechanical key ........................................21
Wireless remote control key...........36
H
I
J
K

483
Alphabetical index
Shift lever
Automatic transmission......................131
If the shift lever cannot be
shifted from P ..................................... 415
Manual transmission .......................... 137
Shift lever lighting.................................. 247
Shift lock system ..................................... 415
Shopping bag hooks ............................278
Side airbags ............................................... 84
Side marker lights
Switch ........................................................156
Side mirror
Adjusting and folding ......................... 66
Mirror position memory ................... 48
Smart access system with
push-button start
Entry function .......................................... 24
Starting the engine.............................. 126
Spare tire
Inflation pressure ............................... 336
Storage location................................. 404
Spark plug ............................................... 435
Specifications......................................... 430
Speech command switch*
Speedometer
Speed indicator .................................... 142
Speedometer ........................................ 142
Steering wheel
Audio switches....................................245
Manual adjustment............................... 62
Power adjustment................................. 63
Steering wheel position
memory ..................................................48
Storage feature....................................... 251
Stuck
If your vehicle becomes stuck ..... 427
Sun visors ................................................. 257
Sunshade
Rear........................................................... 273
Roof.............................................................. 72
Switch
ECT switch..............................................132
Emergency flasher switch ............. 372
Engine switch .........................................126
ETCS switch .......................................... 138
Fog light switch .................................... 159
Hazard light switch ........................... 372
Ignition switch ........................................126
Light switches ....................................... 156
Power door lock switch .................... 39
Power window switch ........................69
Satellite switches................................ 260
Transmission shift switches ............ 134
Window lock switch............................69
Wipers and washer switch ............ 160
*: Refer to the “Navigation System Owner’s Manual”

1
IS_U (L/O_0808)
When Driving Topic 3Entering and Exiting Topic 1
Before Driving Topic 2OverviewContents
lEngine (ignition) SwitchP.1 9
lAutomatic TransmissionP. 2 0
lManual TransmissionP. 2 3
lParking BrakeP. 2 3
lMulti-information DisplayP. 2 4
lSatellite SwitchesP. 2 5
lTu r n S i g n a l L e v e rP. 2 6
lEmergency Flasher SwitchP. 2 6
lECT SwitchP. 2 7
lKeysP.7
lSmart Access System with
Push-button StartP. 8
lTheft Deterrent SystemP.9
The Quick Guide is not intended as a substitute for your
Owner’s
Manual
. We strongly encourage you to review the
Owner’s
Manual
and supplementary manuals so you will have a betterunderstanding of your vehicle’s capabilities and limitations.
lETCS SwitchP.2 7
lIntuitive Parking AssistP. 2 8
lCruise ControlP. 2 9
lDynamic Radar Cruise
ControlP. 3 0
lSeats (Manual) P.1 1
lSeats (Power) P.1 2
lDriving and Seat Position
Memory SystemP.1 3
lHead RestraintsP.1 4
lSeat BeltsP.1 4
l

Outside Rear View Mirrors
P.1 5
lAnti-glare Inside
Rear View MirrorP.1 5
lSteering WheelP.1 6