2004 Lexus GX470 Audio System / LEXUS 2004 GX470 FROM AUG. 2004 THROUGH SEP. 2004 PROD. OWNER'S MANUAL (OM60B55U)

DRIVING TIPS
478
CAUTION
Even if the total load of occupant's weight and
the cargo load is less than the total load
capacity, do not apply the load unevenly. That
may cause not only damage to the tire but also
deterioration to the steering ability due to
unbalance of the vehicle, causing an accident.

1Cargo capacity
2Weight of removed third seats
Seating configuration variation
In case of removing the third seats, it is possible
to load as much cargo as the weight of the removed
seats.
(Cargo capacity) = (Total load capacity) - (Total
weight of occupants) + (Weight of the removed third
seats)
Third seats weights: Right side 13.7 kg (30.2 lb.)
Left side 14.7 kg (32.4 lb.)

DRIVING TIPS
479

SECTION 4
480
IN CASE OF AN EMERGENCY
In case of an emergency
If your engine stalls while driving481
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If your vehicle will not start 481
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If you cannot increase engine speed 486
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If your vehicle overheats 486
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If you have a flat tire 487
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If your vehicle becomes stuck 505
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If your vehicle needs to be towed 506
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If you cannot shift automatic transmission selector lever 513
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Lexus link system 514
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If you lose your keys or lock yourself out 530
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IN CASE OF AN EMERGENCY
481
IF YOUR ENGINE STALLS WHILEDRIVING
If your engine stalls while driving...
1. Reduce your speed gradually, keeping a straight line. Move
cautiously off the road to a safe place.
2. Turn on your emergency flashers.
3. Turn the ignition key to ACCº or LOCKº, and try starting the
engine again.
If the engine will not start, see If your vehicle will not startº.
CAUTION
If the engine is not running, the power assist for the
brakes and steering will not work, so steering and
braking will be much harder than usual.
IF YOUR VEHICLE WILL NOT START
(a) Simple checks
Before making these checks, make sure you have followed the
correct starting procedure instructions in How to start the
engineº on page 392 and that you have sufficient fuel. Since
your vehicle is equipped with the engine immobilizer system,
also check whether the other keys w ill start the engine. If they
work, your key may be broken. Have the key checked at your
Lexus dealer. If none of your keys work, there may be a
malfunction in the i mmobilizer system. Call your Lexus dealer.
See Keysº on page 8.
If the engine is not turning over or is turning over too
slowly Ð
1. Check that the battery terminals are tight and clean.
2. If the battery terminals are O.K., switch on the interior light.
3. If the light is out, dim or goes out when the starter is cranked,
the battery is discharged. You may try jump starting. See (c)
Jump startingº for further instruction.
If the light is O.K., but the engine still will not start, it needs
adjustment or repair. Call a Lexus dealer, Roadside
Assistance or Customer Service Assistance. (See
Forewordº.)

IN CASE OF AN EMERGENCY
482
NOTICE
Do not pull- or push-start the vehicle. It may damagethe vehicle or cause a collision when the engine starts.Also the three-way catalytic converter may overheatand become a fire hazard.
If the engine turns over at its normal speed but will not
start Ð
1. Turn the ignition key to ACCº or LOCKº and try starting the
engine again.
2. The engine may be flooded because of repeated cranking.
See (b) Starting a flooded engineº for further instructions.
3. If the engine still will not start, it needs adjustment or repair.
Call a Lexus dealer, Roadside Assistance or Customer Service
Assistance. (See Forewordº.)(b) Starting a flooded engine
If the engine will not start, your engine may be flooded
because of repeated cranking.
If this happens, turn the ignition key to STARTº with the
accelerator pedal fully depressed, and hold the key at this
position for about 30 seconds. Then the cranking hold function
stops cranking automatically, and you can try starting the
engine with your foot off the accelerator pedal.
If the engine does not start, wait a few minutes and try again.
If the engine still will not start, it needs adjustment or repair.
Call a Lexus dealer, Roadside Assistance or Customer Service
Assistance. (See Forewordº.)
(c) Jump starting
To avoid serious personal injury and damage to your
vehicle which might result from battery explosion, acid
burns, electrical burns, or damaged electronic
components, these instructions must be followed
precisely.

IN CASE OF AN EMERGENCY
483
If you are unsure about how to follow this procedure, we
strongly recommend that you seek help from your Lexus
dealer,
Roadside Assistance or Customer Service Assistance.
(See Forewordº.)
CAUTION
 Batteries contain sulfuric acid which is poisonous
and corrosive. Wear protective safety glasses when
jump starting, and avoid spilling acid on your skin,
clothing, or vehicle.
 If you should accidentally get acid on yourself or in
your eyes, remove any contaminated clothing and
flush the affected area with water immediately. Then
get immediate medical attention. If possible,
continue to apply water with a sponge or cloth while
en route to the medical office.
 The gas normally produced by a battery will explode
if a flame or spark is brought near. Use only
standardized jumper cables and do not smoke or
light a match while jump starting.
NOTICE
The battery used for boosting must be 12 V. Do not jump
start unless you are sure that the booster battery iscorrect.

IN CASE OF AN EMERGENCY
484
40PY042

5Discharged battery
6Booster battery
JUMP STARTING PROCEDURE
1. If the booster battery is installed in another vehicle, make
sure the vehicles are not touching. Turn off all unnecessary
lights and accessories.
When boosting, use the battery of matching or higher quality.
Any other battery may be difficult to jump start with.
If jump starting is difficult, charge the battery for several
minutes.
2. If required, remove all the vent plugs from the booster
battery. Lay a cloth over the open vents on the booster battery.
(This helps reduce the explosion hazard, personal injuries and
burns.)
If the booster battery is an extended maintenance interval
battery, it is not necessary to remove the vent plugs.
3. If the engine in the vehicle with the booster battery is not
running, start it and let it run for about 5 minutes. During jump
starting, run the engine at about 2000 rpm with the accelerator
pedal lightly depressed.
4. Locate positive (+) and negative (-) terminals of each
battery. Connect the jumper cables in the exact order (
1 23 4) shown in the illustration.
1Connect a positive (red) jumper cable clamp to the
positive (+) terminal of the discharged battery.
2Connect the clamp at the other end of the positive (red)
cable to the positive (+) terminal of the booster battery.
3Connect a negative (black) cable clamp to the negative
(-) terminal of the booster battery.

IN CASE OF AN EMERGENCY
485
4Connect the clamp at the other end of the negative (black)
cable to a solid, stationary, unpainted metallic point (e.g.
engine hanger) away from the battery. Do not connect it
to or near any part that moves when the engine is
cranked.
CAUTION
When making the connections, to avoid serious injury,
do not lean over the battery or accidentally let the
jumper cables or clamps touch anything except the
correct battery terminals or the ground.
5. Charge the discharged battery with the jumper cables
connected for approximately 5 minutes. At this time, run the
engine in the vehicle with the booster battery at about 2000 rpm
with the accelerator pedal lightly depressed.
6. Start your engine in the normal way. After starting, run it at
about 2000 rpm for several minutes with the accelerator pedal
lightly depressed.
7. Carefully disconnect the cables in the exact reverse order:
the negative cable and then the positive cable.
8. Carefully di spose of the battery cover cloths which may now
contain sulfuric acid.
9. If removed, replace all the battery vent plugs.
If the cause of your battery discharging is not apparent (for
example, lights left on), you should have it checked at your
Lexus dealer. If the first start attempt is not successful...
Check
that the clamp on the jumper cables are tight. Recharge
the discharged battery with the jumper cables connected for
several minutes and restart your engine in the normal way.
If the another attempt is not successful, the battery may be
depleted. Have it checked at your Lexus dealer.