2006 LEXUS LS430 Owners Manual

5
When trouble arises
321
5-1. Essential information
Emergency towing
If a tow truck is not available in an emergency, your vehicle may be tem-
porarily towed by a cable or chain secur
ed to the emergency towing eye-
let(s). This should only attempted on har
d, surfaced roads for short
distance at low speeds. 
A driver must be in the vehicle to steer and oper
ate the brakes. The vehi-
cle's wheels, drive train, axles, steer ing and br
akes must be in good con-
dition.
Towing eyelet
1
■Emergency towing proceduresRelease the parking brake.
Put the transmission in “N”.
The ignition switch must be in ACC (eng
ine off) or ON (engine running).
CAUTION
■Caution while towing
●Use extreme caution when towing the vehi cle. Avoid sudden starts or erratic
driving maneuvers which place excessive stress on the emergency towing eyelets
and the cable or chain.
●If the engine is not running, the power assi st for the brakes and steering will not
function, making steering and braking more difficult.
STEP1
STEP2
STEP3

322
5-1. Essential information
Towing with a wheel lift-type truck
Use a towing dolly under the rear
wheels.
Place the key in the “ACC” posi-
tion so that the steering wheel is
unlock
ed.
NOTICE
■To prevent body damage
Do not tow with a sling type truck, either from the front or rear.
FROM FRONT
NOTICE
■To prevent causing serious damage to the transmission
Never tow this vehicle from the front with the rear wheels on the ground.
FROM REAR

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5-1. Essential information
Transporting your Lexus on a flat bed truck
If your Lexus is transported by a
flat bed, it should be tied down at
locations A and B as shown.
If you use chains or cables to tie
do
wn your vehicle, the angles
shaded black must be at 45 .
Do not use excessive tension on
the tie do
wns or vehicle damage
may occur.
NOTICE
■To prevent damaging the vehicle
●Do not tow with the key removed or in the LOCK position. The steering lock
mechanism is not strong enough to hold the front wheels straight.
●When raising the vehicle, ensure adequate ground clearance for towing at the
opposite end of the raised vehicle. Wi thout adequate clearance, the vehicle
could be damaged while being towed.
■To prevent causing serious damage to the transmission
Never tow a vehicle from the rear with four wheels on the ground. 
This may cause serious dama g
e to the transmission.

324
5-1. Essential information
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
Look for any of the following 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
■ A
udible symptoms
Listen for any of the following symptoms.
• Change in exhaust sound
• Excessive tire squeal when cornering
• Strange noises related to suspension system
• Pinging or other noises related to engine
■ P
roblems with operation
Check for any of the following symptoms.
• Engine missing, stumbling or running rough
• Appreciable loss of power
• Vehicle pulls to heavily one side when braking
• Vehicle pulls to heavily one sid e when driving on a le
vel road
• Loss of brake effectiveness, sp ongy feeling, pedal almost touches
floor

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When trouble arises
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5-1. Essential information
Fuel pump shut off system
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 it is in
need of repair. Do not restart the engine.
The fuel pump shut off system stops suppl ying fuel to the engine to minimize
the risk of fuel leakage when the en gine stalls or an airbag inflates.
■To restart the engine after the system activates
Turn the ignition switch to ACC or LOCK once.
Restart it.
STEP1
STEP2

326
5-1. Essential information
Event data recorder
In a crash or a near car crash event
This device records some or all of the following information.
• Engine speed
• Whether the brake pedal was applied or not
• Vehicle speed
• To what extent the accelerator pedal was depressed
• Position of the transmission selector lever
• Whether the driver and front passenger wore the seat belts or not
• Driver's seat position
• SRS airbag deployment data
• SRS airbag system diagnostic data
Your vehicle has computers that monitor and control certain aspects of your
vehicle. These computers assist in dr iving and maintaining optimal vehicle
performance.

Besides storing data useful for troubles hooting,
there is a system to record
data in a crash or a near car crash event.

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5-1. Essential information
Disclosure of the data
Lexus will not disclose the data recorded in an EDR to a third party
except when:
• An agreement from the vehicle's owner (or the leasing company for a
leased v
ehicle) is obtained
• Officially requested by the police or other authorities
• Used as a defense for Lexus in a law suit
• Ordered by a court of law
However, if necessary Lexus will:
• Use the data for research on Lexus vehicle safety performance
• Disclose the data to a third party for r
esearch purposes without dis-
closing details of the vehicle owner, and only when it is deemed neces -
sary
• Disclose summarized data cleared of v
ehicle identification information
to a non-Lexus organization for research purposes

328
5-2. Steps to take in an emergency
If a warning light turns on...
If the brake system warning light comes on, stop the vehicle immediately.
The following warning indicates a possible problem in the brake system.
Continuing to drive the vehicle may be dangerous. 
Immediately stop the vehicl e in a safe place and contact y
our Lexus
dealer.
* Parking brake engaged warning buzzer:
A buzzer will sound if the vehicle is driv en at a speed of approximately 3 mph (5
km/h) or more.
Calmly perform the following actions if any of the warning lights turn on or
flash. If a light turns on or flashes, but then turns off, this does not necessarily
indicate a malfunction in the system.
Warning lightsWarning light/Details
(U.S.A)
(Canada)
Brake system warning light (Warning buzzer)*
• Low brake fluid
• Malfunction in the brake booster system This light also comes on when the parking brake
is not released. If the light turns off after the
parking brake is fully released the system is
operating normally.