key lexus LS400 1999 Electrical Components / LEXUS 1999 LS400 (OM50514U) Repair Manual

THEFT DETERRENT
209
17L001
Setting the system
1. Turn the ignition key to the ºLOCKº position and
remove it.
2. Close and lock all the doors, trunk and hood
using an ignition key or wireless remote control.

THEFT DETERRENT
210If you lock them with wireless remote control, the turn
signals flash once.* If you do not want to make them
flash, consult with your Lexus dealer.
NOTE: *The turn signals can be set not to flash. Ask
your Lexus dealer for details.
The indicator light will come 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.* If you do not want
to make them flash, consult with your Lexus dealer.
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
211
If 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 AND AUDIO
215
AUTOMATIC AIR CONDITIONING CONTROLS
21L001a

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 AND AUDIO
236program
(See page 253 for details.)
CD mode: Direct access to a desired
program (See page 261 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

STARTING AND DRIVING
275
Keep the trunk lid closed while driving. An
open or unsealed trunk lid may cause exhaust
gases to be drawn into the vehicle.
 To allow proper operation of your vehicle's
ventilation system, keep the inlet grilles in front
of the windshield clear of snow, leaves, or other
obstructions.
 If you smell exhaust fumes in the vehicle, drive
with the windows open and the trunk lid closed.
Have the cause immediately located and
corrected.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 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 ºONº, and check the fuel
gauge to see that you have sufficient fuel.

STARTING AND DRIVING
277
ºSTARTº ± Starter motor on. The key will return to
the ºONº position when released.
For starting tips, see page 280.
ºONº ± Engine on and all accessories on.
This is the normal driving position.
NOTICE
Do not leave the key in the ºONº position if the
engine is not running. The battery will dischargeand the electronic ignition system/distributorignition system could be damaged.
ºACCº ± Accessories such as the radio operate, but
the engine is off.
If you leave the key in the ºACCº or ºLOCKº position and
open the driver's door, a buzzer will remind you to
remove the key.*
NOTE: *The volume or interval of beep sound can bechanged. Ask your Lexus dealer for details.

STARTING AND DRIVING
278
31L003±1
ºLOCKº ± Engine is off and the steering wheel is
locked. The ignition key can be removed only at this
position.
To turn the key from ºACCº to the ºLOCKº position, you
must put the transmission selector lever in the ºPº
position.
Once you remove the key, the engine immobiliser
system is automatically set. See ºEngine immobiliser
systemº on page 15.
When starting the engine, the key may seem stuck at the
ºLOCKº position. To free it, first be sure the key is
pushed all the way in, and then rock the steering wheel
slightly while turning the key gently.
If, in an emergency, you must turn the engine off while
the vehicle is moving, turn the key only to ºACCº.

STARTING AND DRIVING
280
HOW TO START THE ENGINE
Before cranking
1. Apply the parking brake firmly.
2. Turn off unnecessary lights and accessories.
3. Put the selector lever in ºPº. If you need to restart the
engine while the vehicle is moving, put the selector lever
in ºNº. A starter safety device will prevent the starter
from operating if the selector lever is in any drive
position.
4. Depress the brake pedal and hold it to the floor until
you are ready to drive off.
Starting the engine
Before starting the engine, be sure to follow the
instructions in ºBefore crankingº.
Normal starting procedure
The multiport fuel injection system/sequential multiport
fuel injection system in your engine automatically
controls the proper air±fuel mixture for starting. You can
start a cold or hot engine as follows:
1. With your foot off the accelerator pedal, crank the
engine by turning the key to ºSTARTº. Release it when
the engine starts.
2. After the engine runs for about 10 seconds, you are
ready to drive. If the weather is below freezing, let the engine warm up
for a few minutes before driving. Do not leave the vehicle
while the engine is warming up.
If the engine stalls ...
Simply restart it , using the correct procedure given in
normal starting.
If the engine will not start
See ºIf your vehicle will not startº on page 342.
NOTICE
Do not crank for more than 30 seconds at a
time. This may overheat the starter and wiringsystems.
Do not race a cold engine.
If the engine becomes difficult to start or stallsfrequently, have the engine checkedimmediately.

STARTING AND DRIVING
283


The shift position is displayed on the instrument
cluster.
P: Parking, engine starting and key removal position
R: Reverse position
N: Neutral position
D: Normal driving position (Shifting into overdrive
possible)
4: Position for engine braking (Shifting into
overdrive not possible)
When the cruise control is being used, even if you
downshift from ºDº to º4º, engine braking will not
be applied because the cruise control is not
cancelled. For the operation to decrease the
vehicle speed, see page 300.
3, 2: Position for more powerful engine braking
L: Position for maximum engine braking Correct use of the automatic transmission is
explained in the following parts.
(a) Normal driving
(b) Using engine braking
(c) Using the º3º, º2º and ºLº positions
(d) Backing up
(e) Parking
(f) Good driving practice
(g) Rocking your vehicle if stuck
(h) If you cannot shift the selector lever