2010 Lexus IS F ECO mode

5
When trouble arises
447
5-2. Steps to take in an emergency
10_IS F_U
■If 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.)
●If tires not equipped with tire pressure warning valves and transmitters are used.
●If the ID code on the tire pressure warning valves and transmitters is not regis-
tered in the tire pressure warning computer.
●If a different set of tires has been selected using the satellite switch.
●If the tire inflation pressure is 73 psi (500 kPa, 5.1 kgf/cm2 or bar) or higher.
●If electronic devices or facilities using similar radio wave frequencies are nearby.
●If a radio set at similar frequencies is in use in the vehicle.
●If there is a lot of snow or ice on the vehicle, in particular, around the wheels or
wheel housings.
●If 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.)
■If 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.
■Customization that can be configured at Lexus dealer
The vehicle speed linked seat belt reminder buzzer can be disabled.
(Customizable features →P. 5 1 4 )

5
When trouble arises
461
5-2. Steps to take in an emergency
10_IS F_U
Follow the correction procedures.After taking the specified steps to co rrect the suspected problem, check
that the warning light turns off.
Interior
buzzerExterior buzzerWa r n i n g m e s s a g eDetailsCorrection
procedure
Once
(Comes on for 10 seconds.)
Indicates that an
attempt was
made to start the
engine without
the electronic
key being
present, or the
electronic key
was not function-
ing normally.
Start the engine
with the elec-
tronic key
present.
*
Once3 times
(Flashing)
Indicates that a
door other than
the driver’s door
has been opened
and closed with
the “ENGINE
START STOP”
switch in any
mode other than
OFF and the
electronic key
has been taken
out of the detec-
tion area.
Confirm the loca-
tion of the elec-
tronic key.

5
When trouble arises
463
5-2. Steps to take in an emergency
10_IS F_U
Once
(Comes on for 10 seconds.)
(Flashing)
Indicates that the
key battery is low.Replace the bat-
tery. (→P. 4 0 6 )

Indicates that the
“ENGINE START
STOP” switch has
been turned
twice to ACCES-
SORY mode
without starting
the engine when
a closed door is
opened.
Press the
“ENGINE START
STOP” switch
while applying the
brakes.

(Flashing)
Indicates that the
steering lock has
not released
within 3 seconds
of pressing the
“ENGINE START
STOP” switch.Press the
“ENGINE START
STOP” switch
again while turn-
ing the steering
wheel with the
brake pedal
depressed.
Interior
buzzerExterior buzzerWa r n i n g m e s s a g eDetailsCorrection
procedure

5
When trouble arises
479
5-2. Steps to take in an emergency
10_IS F_UTo change “ENGINE START STOP” switch modes: Within 10
seconds of the buzzer sounding, release the brake pedal and
press the “ENGINE START STOP” switch. Modes can be
changed each time the switch is pressed. (
→P. 1 2 4 )
To start the engine: Press the “ENGINE START STOP” switch
within 10 seconds after the buzzer sounds, keeping the brake
pedal depressed.
In the event that the engine still cannot be started, contact your Lexus
dealer.
■Stopping the engine
Shift the shift lever to P and press the “ENGINE START STOP” switch as you nor-
mally do when stopping the engine.
■Replacing the key battery
As the above procedure is a temporary measure, it is recommended that the elec-
tronic key battery be replaced immediately when the battery depletes.
( → P. 406)
STEP3

5
When trouble arises
481
5-2. Steps to take in an emergency
10_IS F_U
■Starting the engine when the battery is discharged
The engine cannot be started by push-starting.
■To prevent battery discharge
●Turn off the headlights and the audio system while the engine is off.
●Turn off any unnecessary electrical components when the vehicle is running at a
low speed for an extended period, such as in heavy traffic, etc.
Start the engine of the second vehicle. Increase the engine
speed slightly and maintain at that level for approximately 5
minutes to recharge the battery of your vehicle.
Open and close any of the doors with the “ENGINE START
STOP” switch OFF.
Maintain the engine speed of 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.STEP2
STEP3
STEP4
STEP5

531
Alphabetical index
10_IS F_U
Emergency, in case ofIf the engine will not start ................474
If the shift lever cannot be shifted from P ................................... 475
If the vehicle has a discharged battery..................................................480
If the warning buzzer sounds........ 441
If the warning light turns on ............ 441
If a warning message is displayed .............................................. 451
If you have a flat tire ........................ 465
If you lose your keys ........................ 476
If you think something is wrong....................................................437
If the electronic key does not operate properly .............................477
If your vehicle becomes stuck ....486
If your vehicle needs to be towed ..................................................... 431
If your vehicle overheats................ 483
Engine ACCESSORY mode ....................... 124
Compartment ......................................372
Engine switch ........................................ 124
Hood ....................................................... 369
How to start the engine.................... 124
Identification number.......................489
If the engine will not start ................474
Ignition switch........................................ 124
Overheating......................................... 483
Engine compartment cover..............373 Engine coolant
Capacity .................................................493
Checking ...............................................378
Preparing and checking
before winter ......................................192
Engine coolant temperature
gauge....................................................... 139
Engine immobilizer system.................. 78
Engine oil Capacity .................................................492
Checking ............................................... 374
Preparing and checking
before winter ......................................192
Engine oil maintenance data............ 376
EPS ............................................................... 177
Event data recorder ............................ 439
First-aid kit storage belt ..................... 332
Floor mat ................................................... 331
Fluid
Brake ....................................................... 380
Washer .................................................. 385
Fog lights Switch........................................................ 153
Wattage ................................................. 498
Footwell lights ........................................306
Front fog lights Switch........................................................ 153
Wattage ................................................. 498
Front passenger occupant
classification system ............................ 97
F

535
Alphabetical index
10_IS F_U
Head restraints ...................................... 54
Properly sitting in the seat................ 83
Seat heaters.......................................... 325
Service reminder indicators ............. 143
Shift lever If the shift lever cannot be
shifted from P ................................... 475
Transmission .......................................... 128
Shift lever light ....................................... 306
Shift lock system ....................................475
Shopping bag hooks ........................... 332
Side airbags ............................................... 85
Side marker lights Switch ....................................................... 150
Side mirrors Adjusting and folding ..........................67
Mirror position memory ................... 48
Smart access system with
push-button startEntry function ..........................................26
Starting the engine.............................. 124
“SOS” button ......................................... 345
Spare tire Inflation pressure ............................... 397
Storage location................................. 465
Spark plug ................................................494
Specifications......................................... 488
Speedometer........................................... 139
Steering wheel Adjustment ...............................................64
Audio switches ................................... 254
Steering wheel position
memory ................................................. 48
Storage feature .......................................310
Stuck If your vehicle becomes stuck ....486 Sun visors .................................................. 316
Sunshade..................................................... 72
Switch
Emergency flasher switch ............ 430
Engine switch .........................................124
Fog light switch .................................... 153
F-sport mode total control switch.......................................... 130, 180
Hazard light switch .......................... 430
Ignition switch ........................................124
Light switches ....................................... 150
Power door lock switch ....................39
Power window switch ........................69
Satellite switches.................................. 319
Transmission shift switches ...................................... 130, 132
Window lock switch............................69
Wiper and washer switch............... 154
Tachometer.............................................. 139
Tail lights Switch........................................................ 150
Talk switch .............................................. 280
Telephone switch................................. 280
Theft deterrent system Alarm.......................................................... 80
Engine immobilizer system.............. 78
Theft prevention labels ..........................82
Tire inflation pressure ......................... 397
Tire information
Glossary ................................................ 507
Size........................................................... 504
Tire identification number............. 504
Uniform tire quality grading ........ 505
T