2005 Lexus GX470 key battery

AIR CONDITIONING
244The automatic air conditioning automatically maintains
the set temperature.
In the automatic operation mode, the air conditioning selects
the most suitable fan speed, air flow, air intake and on±off the
air conditioning according to the temperature.
The ignition key must be in the ªONº position.
NOTICE
To prevent the battery from being discharged, do not
leave the air conditioning on longer than necessarywhen the engine is not running.

AUDIO
333
NOTICE
Be sure that the positive side of the remote controlbattery is facing correctly.
Do not replace the battery with wet hands. Water may
cause rust.
Do not touch or move any components inside of the remote control, or it may interfere with properoperation.
Be careful not to bend the electrode of the remotecontrol battery insertion and that dust or oil does not
adhere to the transmitter case.
Close the battery case securely.
After replacing the battery, check that the remote control
operates properly. If the remote control still does not operate
properly, contact your Lexus dealer.DVD player operation
The DVD player can play audio CDs, DVD video discs, CD
texts, dts±CDs, DVD audio discs and video CDs.
For appropriate discs for this player, see ªAudio/video system
operating hintsº on page 383.
The DVD player works when the ignition key is in the ªACCº or
ªONº position.
To turn on the DVD player, a disc must be loaded in the player.
To turn off the player, eject the disc.
(a) Inserting the disc

STARTING AND DRIVING
398
BEFORE STARTING THE ENGINE
1. Check the area around the vehicle before entering it.
2. Adjust seat position, seatback angle, head restraint height
and steering wheel angle.
3. Adjust the inside and outside rear view mirrors.
4. Lock all doors.
5. Fasten seat belts.
Remember to check that the service reminder indicators
function when turning the key to ªONº, and check the fuel
gauge to see that you have sufficient fuel.
IGNITION SWITCH
ªSTARTº Ð Starter motor on. The key will return to the
ªONº position when released.
For starting tips, see page 401.
ªONº Ð Engine on and all accessories on.
This is the normal driving position.
NOTICE
Do not leave the key in the ªONº position if the engineis not running. The battery will discharge and theelectronic ignition system could be damaged.

IN CASE OF AN EMERGENCY
491
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 ªACCº or ªLOCKº, and try starting the
engine again.
If the engine will not start, see ªIf 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 ªHow to start the
engineº on page 401 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 ªKeysº 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 ª(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
ªForewordº.)

IN CASE OF AN EMERGENCY
492
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 ªACCº or ªLOCKº and try starting the
engine again.
2. The engine may be flooded because of repeated cranking.
See ª(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 ªForewordº.)(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 ªSTARTº 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 ªForewordº.)
(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.

ENGINE
549
Ð IGNITION SYSTEM
Spark plug Ð Make DENSO
NGK
Ð Gap
SK20R11
IFR6A11
1.1 mm (0.043 in.)
Ð ELECTRICAL SYSTEM
Battery Open voltage at 20 C (68F):
Charging rates
12.6 Ð 12.8 V Fully charged
12.2 Ð 12.4 V Half charged
11.8 Ð 12.0 V Discharged
[Voltage that is checked 20 minutes after the key is removed
with all the lights turned off]
5 A max.