2000 Lexus LS400 ignition

COMFORT ADJUSTMENT
213
Conditions for memorized position activation

Ignition key ºONº and selector lever in ºNº or ºPº
position with the vehicle stopped.
All parts of the memorized positions can be activated.
 Key not in ignition switch and within 30 seconds of
opening driver's door.
The memorized position can be activated, except for
the tilt and telescopic steering.
If any driving position memory switch is pushed while
one of the memorized driving position profiles is being
activated, the operation will stop.
To activate the system, push the desired button (º1º or
º2º) again.
The driving position memory control system cannot be
operated while the vehicle is moving.
If the vehicle's battery is disconnected, the computer's
memory will be erased and the memorized positions will
have to be set again.

THEFT DETERRENT
217
Setting the system
1. Turn the ignition key to the ºLOCKº position and
remove it.
The indicator light flashes by means of the engine
immobiliser system.
2. Close and lock all the doors, trunk and hood
using an ignition key or wireless remote control.If you lock them with wireless remote control, the turn
signals flash once.*NOTE: *The turn signals can be set not to flash. Ask
your Lexus dealer for details.
The flashing indicator light will change to stay on when
all the doors, trunk and hood are closed and locked.
3. After 30 seconds, the indicator flashes and the
system is set.
Cancelling the system
When you unlock any door or trunk using an ignition
key or wireless remote control, the system is
cancelled.
If you unlock any door or trunk with wireless remote
control, the turn signals flash twice.*
NOTE: *The turn signals can be set not to flash. Ask your Lexus dealer for details.
Activating the system
The alarm sounds for 60 seconds if any of the following
are operated:

Unlocking any door or trunk without using an ignition
key or wireless remote control.

Opening the hood forcibly.

Reconnecting the battery.

THEFT DETERRENT
218If any door is unlocked and the ignition key is not in the
ignition switch during the alarm sounding, its door is
automatically locked.
To stop the alarm:
Use either of the following methods.

Unlock the door or trunk using an ignition key or
wireless remote control.

Turn the ignition switch on.
Testing the system
1. Open all the windows.
2. Set the system as described above.
The front doors should be locked with the ignition key or
wireless remote control. Be sure to wait until the
indicator light starts flashing.
3. Unlock one of the doors from the inside.
The system should activate the alarm.
4. Unlock any of the doors with a key or the wireless
remote control to cancel the system.
5. Repeat this operation for the other doors and
hood.
When testing the hood, also check that the system is
activated when the battery terminal is disconnected and
then reconnected.
If the system does not work properly, have it checked by your Lexus dealer.
NOTICE
Disconnecting the battery may result in the
erasure of information you have set in thecomputer memory. After reconnecting thebattery, check that the memorized data has beenretained. If it has been erased, input it into thecomputer once more.

AIR CONDITIONING
222
AUTOMATIC AIR CONDITIONING CONTROLS
21L050

The automatic air conditioning automatically
maintains the set temperature.
This air conditioning features automatic fan speed
and air flow control which automatically selects the
most suitable fan speed and air flow to control the
temperature. The ignition key must be in the ºONº
position.NOTICE
To prevent the battery from being discharged, do
not leave the air conditioning on longer thannecessary when the engine is not running.

AIR CONDITIONING
235
CAUTION
Do not use the ºFRONT WINDSHIELDº button during
cooled air operation in extremely humid weather. The
difference between the temperature of the outside air
and that of the windshield could cause the outer surface
of the windshield to fog up blocking your vision.
When you turn the ignition switch on after the removal
and installation of the battery terminal, the indicator light
may flash and the operating sound of the motor may be
heard. This does not indicate a malfunction.
You may hear the operating sound of the motor about 70
seconds after the ignition switch is turned off. This is not
also a malfunction.(c) Air filter
The air filter may clog after long use and reduce air flow.
You can inspect the filter easily.
When you inspect and replace the air filter, be sure to
turn off the fan.
21L010a
1. Open the glove box and remove the two covers.

AUDIO
244program
(See page 261 for details.)
CD mode: Direct access to a desired
program (See page 270 for details.)
Using your audio system: some basics
This section describes some of the basic features of the
Lexus audio system. Some information may not pertain
to your system.
Your audio system works when the ignition key is in the
ºACCº or ºONº position.
NOTICE
To prevent the battery from being discharged, do not leave the car audio on longer than necessarywhen the engine is not running.
(a) Turning the system on and off

SECTION 3 ± 1
279
STARTING AND DRIVING
Starting and driving
Three±way catalytic converter279
. . . . . . . . . . . . . . . . . .
Engine exhaust caution 282
. . . . . . . . . . . . . . . . . . . . . . . .
Before starting the engine 283
. . . . . . . . . . . . . . . . . . . . . .
Ignition switch with steering lock 284
. . . . . . . . . . . . . . . .
Parking brake 286
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
How to start the engine 288
. . . . . . . . . . . . . . . . . . . . . . . .
Automatic transmission 289
. . . . . . . . . . . . . . . . . . . . . . . .
Electronic throttle control system 303
. . . . . . . . . . . . . . . .
Cruise control 305
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electronically modulated air suspension 309
. . . . . . . . . .
Traction control system 312
. . . . . . . . . . . . . . . . . . . . . . . .
Vehicle skid control system 315
. . . . . . . . . . . . . . . . . . . . .
Brake system 321
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Types of tires 328
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
THREE±WAY CATALYTIC
CONVERTER

STARTING AND DRIVING
281
NOTICEA large amount of unburned gases flowing intothe three±way catalytic converter may cause it tooverheat and create a fire hazard. To prevent this
and other damage, observe the following precautions:
Use only unleaded gasoline.
Do not drive with an extremely low fuel level;running out of fuel could cause the engine tomisfire, creating an excessive load on thethree±way catalytic converter.
Do not allow the engine to run at idle speed formore than 20 minutes.
Avoid racing the engine.
Do not push±start or pull±start your vehicle.
Do not turn off the ignition while the vehicle ismoving.
Keep your engine in good running order.Malfunctions in the engine electrical system,electronic ignition system or fuel system could
cause an extremely high three±way catalytic converter temperature.
If the engine becomes difficult to start or stallsfrequently, take your vehicle in for a check±up
as soon as possible. Remember, your Lexusdealer knows your vehicle and its three±waycatalytic converter system best.