engine Lexus ES350 2010 Owner's Manuals

415
4-3. Do-it-yourself maintenance
4
Maintenance and care
ES350_U
Headlight aim (vehicles with discharge headlights)
■Vertical movement adjusting bolts
Adjustment bolt A
Adjustment bolt B
■ Before checking the headlight aim
Make sure the vehicle has a full tank of gas and the area around
the headlight is not deformed.
Park the vehicle on level ground.
Sit in the driver’s seat.
Bounce the vehicle several times.
■ Adjusting the headlight aim
Remove the engine compartment cover. ( oP. 3 74 )
Turn bolt A in either direction
using a Phillips-head screw-
driver.
Remember the turning direction
and the number of turns in mind.
STEP1
STEP2
STEP3
STEP4
STEP1
STEP2

418
4-3. Do-it-yourself maintenance
ES350_U
Replacing light bulbs■ Headlight low beams (for vehicles without discharge bulbs) and
headlight high beams
Remove the engine compartment cover. ( oP. 3 74 )
Turn the bulb base counterclock-
wise.
Unplug the connector while
depressing the lock release.
STEP1
STEP2
STEP3

When trouble arises5
427
ES350_U
5-1. Essential informationEmergency flashers .............. 428
If your vehicle needs to be towed ................................ 429
If you think something is wrong .................................. 435
Fuel pump shut off system ... 436
Event data recorder.............. 437
5-2. Steps to take in an emergency
If a warning light turns on or a warning buzzer
sounds... ................................. 439
If a warning message is displayed................................ 449
If you have a flat tire................. 461
If the engine will not start ...... 471
If the shift lever cannot be shifted from P ....................... 473
If you lose your keys ............... 474
If the electronic key does not operate properly........... 475
If the vehicle battery is discharged ............................. 477
If your vehicle overheats ..... 480
If the vehicle becomes stuck........................................ 483

428
ES350_U
5-1. Essential information
Emergency flashers
NOTICE
■To prevent battery discharge
Do not leave the emergency flashers on longer than necessary when the engine is
not running.
Use the emergency flashers if the vehicle malfunctions or is involved in an
accident.
Without navigation systemPress the switch to flash all the
turn signal lights. To turn them
off, press the switch once again.
With navigation system Press the switch to flash all the
turn signal lights. To turn them
off, press the switch once again.

5
When trouble arises
429
5-1. Essential information
ES350_U
If your vehicle needs to be towed
Before towingThe following may indicate a problem with your transmission. Contact
your Lexus dealer before towing.
● The engine is running, but the vehicle will not move.
● The vehicle makes an abnormal sound.
Emergency towing
If a tow truck is not available, in an emergency your vehicle may be tem-
porarily towed using a cable or chain secured to the emergency towing
eyelet. This should only attempted on hard, surfaced roads for short dis-
tances at low speeds.
A driver must be in the vehicle to steer and operate the brakes. The vehi-
cle’s wheels, drive train, axles, steering and brakes must be in good condi-
tion. Towing eyelet
If towing is necessary, we recommend having your vehicle towed by your
Lexus dealer or a commercial towing se rvice, using a lift-type truck or a flat
bed truck.
Use a safety chain system for all towing, and abide by all state/provincial
and local laws.
If towing from the front, the vehicle’s rear wheels and axles must be in good
condition. ( oP. 4 3 3 )
If they are damaged, use a towing dolly or flat bed truck.

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

5
When trouble arises
435
5-1. Essential information
ES350_U
If you think something is wrong
If you notice any of the following symptoms, your vehicle probably needs
adjustment or repair. Contact your Lexus dealer as soon as possible.
■Visible symptoms
●Fluid leaks under the vehicle
(Water dripping from the air conditioning after use is normal.)
● Flat-looking tires or uneven tire wear
● Engine coolant temperature gauge needle continually points
higher than normal
■ Audible symptoms
●Changes in exhaust sound
● Excessive tire squeal when cornering
● Strange noises related to the suspension system
● Pinging or other noises related to the engine
■ Operational symptoms
●Engine missing, stumbling or running rough
● Appreciable loss of power
● Vehicle pulls heavily to one side when braking
● Vehicle pulls heavily to one side when driving on a level road
● Loss of brake effectiveness, spongy feeling, pedal almost touches
the floor

436
5-1. Essential information
ES350_U
Fuel pump shut off system
Follow the procedure below to restart the engine after the system is acti-
vated.Turn the “ENGINE START STOP” switch to ACCESSORY mode
or OFF.
Restart the engine.
NOTICE
■Before starting the engine
Inspect the ground under the vehicle.
If you find that fuel has leaked on to the ground, the fuel system has been damaged
and is in need of repair. Do not restart the engine.
To minimize the risk of fuel leakage when the engine stalls or an airbag
inflates upon collision, the fuel pump shut off system stops supplying fuel to
the engine.
STEP1
STEP2

5
When trouble arises
437
5-1. Essential information
ES350_U
Event data recorder
In a crash or a near car crash eventThe SRS airbag sensor assembly contains the EDR. In a crash or a near
car crash event, this device may record some or all of the following infor-
mation:
● Engine speed
● Whether the brake pedal was applied or not
● Vehicle speed
● To what extent the accelerator pedal was depressed
● Position of the transmission shift lever
● Whether the driver and front passenger wore seat belts or not
● Driver's seat position
● SRS airbag deployment data
● SRS airbag system diagnostic data
● Front passenger's occupant classification
The information above is intended to be used for the purpose of improv-
ing vehicle safety performance. Unlike general data recorders, the EDR
does not record sound data such as conversation between passengers.
Your vehicle has computers that monitor and control certain aspects of
your vehicle. These computers assist in driving and maintaining optimal
vehicle performance.
Besides storing data useful for troubleshooting, there is a system to
that record data in a crash or a near car crash event.

440
5-2. Steps to take in an emergency
ES350_U
Stop the vehicle immediately.The following warnings indicate the possibility of damage to the vehicle
that may lead to an accident. Immediately stop the vehicle in a safe place
and contact your Lexus dealer.
Have the vehicle inspected by your Lexus dealer immediately.Failing to investigate the cause of the following warnings may lead to the
system operating abnormally and possibly cause an accident. Have the
vehicle inspected by your Lexus dealer immediately.
Warning lightWarning light/Details
Charging system warning light Indicates a malfunction in the vehicle’s charging system.
(USA)

(Canada)
Malfunction indicator lampIndicates the following:
• Empty fuel tank
• Loose fuel tank cap
• Malfunction in the electronic engine control system;
• Malfunction in the electronic throttle control system; or
• Malfunction in the electronic automatic transmission con-trol system.
Warning lightWarning light/Details
SRS warning light Indicates a malfunction in:
• The SRS airbag system; or
• Front passenger occupant classification system
• The seat belt pretensioner system.