ignition Lexus ES350 2010 s Service Manual

430
5-1. Essential information
ES350_U
Installing towing eyeletRemove the eyelet cover using a
flathead screwdriver.
To protect the bodywork, place a
rag between the screwdriver and
the vehicle body, as shown in the
illustration.
■Emergency towing procedureRelease the parking brake.
Shift the shift lever to N.
Turn the “ENGINE START STOP” switch to ACCESSORY (engine off)
or IGNITION ON mode (engine running).
CAUTION
■Caution while towing
●Use extreme caution when towing the vehicle.
Avoid sudden starts or erratic driving maneuvers which place excessive stress on
the emergency towing eyelets and the cables or chains. Always use caution for
the surroundings and other vehicles while towing.
●If the engine is not running, the power assist for the brakes and steering will not
function, making steering and braking more difficult.
NOTICE
■To prevent causing serious da mage to the transmission
Never tow this vehicle from the rear with front wheels on the ground.
This may cause serious damage to the transmission.
STEP1
STEP2
STEP3
STEP1

446
5-2. Steps to take in an emergency
ES350_U
■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 oP. 511)
CAUTION
■If the tire pressure warning light comes on
Be sure to observe the following precautions. Failure to do so could cause loss of
vehicle control and result in death or serious injury.
●Stop your vehicle in a safe place as soon as possible. Adjust the tire inflation pres-
sure immediately.
●If the tire pressure warning light comes on even after tire inflation pressure adjust-
ment, it is probable that you have a flat tire. Check the tires. If the tire is flat,
change to the spare tire and have the flat tire repaired by the nearest Lexus
dealer.
●Avoid abrupt maneuvering and braking. If the vehicle tires deteriorate, you could
lose control of the steering wheel or the brakes.
■If a blowout or sudden air leakage should occur
The tire pressure warning system may not activate immediately.

5
When trouble arises
451
5-2. Steps to take in an emergency
ES350_U
Warning messageDetails
(If equipped)
Indicates intuitive parking assist malfunction.A buzzer also sounds.
The malfunctioning assist-sensor is shown flashing on
the display.
(Flashing and then con-
tinuously on)
(Flashing)or
(Flashing)
(If equipped)Indicates a malfunction in the radar cruise control
system. A buzzer also sounds.
Stop the vehicle in a safe place. Switch the “ENGINE
START STOP” switch to OFF and then to IGNITION
ON mode again to reset the cruise control system.

478
5-2. Steps to take in an emergency
ES350_U
■Starting the engine when the battery is discharged
The engine cannot be started by push-starting.
■Avoiding a discharged battery
●Turn off the headlights and the audio system while the engine is turned 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 on the second vehicle and turn the
“ENGINE START STOP” switch to the 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.STEP3
STEP4
STEP5
STEP6

491
6-1. Specifications
6
Vehicle specifications
ES350_U
Ignition system
Electrical system
Spark plug
MakeDENSO
Gap
FK20HR11
0.043 in. (1.1 mm)
NOTICE
■Iridium-tipped spark plugs
Use only above spark plugs. Do not adjust gaps for your engine performance or
smooth driveability.
Battery
Open voltage at
68 qF (20 qC):12.6 12.8 V Fully charged
12.2 
12.4 V Half charged
11.8 
12.0 V Discharged
(Voltage is checked 20 minutes after
the engine and all the lights are turned
off)
Charging rates5 A max.

530
Alphabetical index
ES350_U
Cooling systemEngine overheating ......................... 480
Cornering assist sensors .................... 165
Cruise control Cruise control .......................................152
Dynamic radar crui se control ...... 155
Cup holders ............................................. 315
Curtain shield airbags............................85
Customizable features ..........................511
Daytime running light system ........... 146
Defogger Rear window........................................ 207
Side mirror ............................................ 207
Dimension ................................................486
Dinghy towing ......................................... 197
Display Dynamic radar crui se control ...... 155
Trip information ......................................141
Warning message............................. 449
Do-it-yourself maintenance .............366
Door courtesy lights Door courtesy lights........................ 308
Wattage.................................................. 495
Doors Door glasses ........................................... 68
Door lock.................................. 26, 38, 41
Side mirrors ............................................. 66
Driver's seat belt reminder light ...... 441
Driving Break-in tips ............................................. 117
Correct posture .................................... 83
Procedures .............................................. 116
Winter driving tips.............................. 184
Driving position memory ......................50 Electronic key
If the electronic key does not
operate properly.............................475
Emergency, in case of
If the electronic key does not operate properly.............................475
If the engine will not start ................. 471
If the shift lever cannot be shifted from P....................................473
If the vehicle has discharged
battery .................................................. 477
If the warning buzzer sounds...... 439
If the warning light turns on.......... 439
If the warning message is
displayed ............................................ 449
If you have a flat tire .......................... 461
If you lose your keys ......................... 474
If you think something is
wrong .................................................. 435
If your vehicle becomes stuck .... 483
If your vehicle needs to be towed ....................................................429
If your vehicle overheats................480
Emergency flashers
Switch...................................................... 428
Engine
Compartment ......................................373
Engine switch ........................................ 124
Hood ....................................................... 370
How to start the engine ................... 124
Identification number ...................... 487
If the engine will not start ................. 471
Ignition switch ....................................... 124
Overheating ........................................480
Engine compartment cover ............. 374
D
E

532
Alphabetical index
ES350_U
Hands-free phone system (for mobile phone)
Bluetooth
®........................................... 275
Hands-free phone system
(for mobile phone) ........................ 275
Hazard lights
Switch ...................................................... 428
Head restraints
Adjusting .................................................. 56
Headlight aim .......................................... 415
Headlights Discharge headlights
precautions ....................................... 425
Replacing light bulbs.......................... 417
Switch ........................................................145
Wattage.................................................. 495
Heaters Seat heaters.............................. 324, 326
Side mirror ............................................ 207
Hood ..........................................................370
Hooks Cargo hooks ....................................... 334
Grocery bag hooks ......................... 334
Horn ............................................................ 133 I/M test ..................................................... 365
Identification number
Engine ..................................................... 487
Vehicle.................................................... 487
Ignition switch .......................................... 124
Illuminated entry system ....................308
Indicator lights .........................................136
Initialization Items to initialize................................... 519
Inside rear view mirror .......................... 65
Interior lights Interior lights .......................................... 310
Switch........................................................ 310
Wattage ................................................. 495
Intuitive parking assist...........................165
Jack Positioning a floor jack ..................... 371
Vehicle-equipped jack..................... 461
Jack handle ...............................................461
Keyless entry ............................................. 38
Keys Electronic key ......................................... 24
Engine switch ........................................ 124
If the electronic key does not
operate properly.............................475
If you lose your keys ......................... 474
Key number.............................................. 24
Keyless entry........................................... 38
Keys.............................................................. 24
Mechanical key ...................................... 24
Wireless remote control key.......... 38
HI
J
K

535
Alphabetical index
ES350_U
Shift leverAutomatic transmission.................... 128
If the shift lever cannot be shifted from P ....................................473
Shift lever lighting................................. 308
Shift lock system ....................................473
Side airbags ............................................... 85
Side marker lights Replacing light bulbs ......................... 417
Switch ........................................................ 145
Wattage ................................................. 495
Side mirror
Adjusting and folding ......................... 66
Mirror position memory ................... 50
Smart access system with push-button start
Entry function ..........................................26
Starting the engine.............................. 124
“SOS” button ......................................... 346
Spare tire Inflation pressure ............................... 396
Storage location................................... 461
Spark plug ................................................. 491
Specifications......................................... 486
Speedometer........................................... 134
Steering wheel Audio switches ................................... 253
Power adjustment .................................64
Steering wheel position memory ................................................. 50
Stop lights Replacing light bulbs ......................... 417
Wattage ................................................. 495
Storage feature ........................................ 311 Stuck
If your vehicle becomes stuck .... 483
Sun visors .................................................. 318
Sunshade Rear...........................................................329
Roof.............................................................. 73
Switch Emergency flasher switch .............428
Engine switch .........................................124
Fog light switch .................................... 148
Hazard light switch ...........................428
Ignition switch ........................................124
Light switches ....................................... 145
Power door lock switch ......................41
Power window switch ........................68
Window lock switch............................68
Wipers and washer switch ............ 149
Tachometer.............................................. 134
Tail lights Replacing light bulbs .......................... 417
Switch........................................................ 145
Wattage ................................................. 495
Talk switch ............................................... 279
Telephone switch.................................. 279
Theft deterrent system
Alarm.......................................................... 80
Engine immobilizer system.............. 78
Theft prevention labels ..........................82
Tire inflation pressure .........................396
Tire information Glossary ................................................ 504
Size............................................................. 501
Tire identification number............... 501
Uniform tire quality grading ........ 502
T