1999 Lexus LS400 light

KEYS AND DOORS
18
1Locking the doors and sounding an alarm
2Unlocking the doors
3Indicator light
4Unlocking the trunk lid
NOTE: *This feature can be set inoperative as
vehicle theft deterrent measure in case of the loss ofthe wireless remote control key. Ask your Lexusdealer for details.
When you operate any button on the key, push it slowly
and surely.
The operational range of the wireless remote control is
approximately 1 meter (3 ft.). The effective range may
vary with different conditions. To activate the wireless
remote control without fail, do it approximately 1 meter
(3 ft.) from your Lexus. In the following cases, the battery in the key may be
discharged. If this is a case, replace it using a special
screwdriver.

The remote control does not work.
 The operational range of wireless remote control
becomes extremely short.
 The indicator light on the key is dimmed or does not
come on.
For the replacement of the battery, see ºReplacing the
batteryº on page 26. You can also have the battery of the
key replaced by your Lexus dealer.
If you lose the wireless key, contact your Lexus dealer
as soon as possible to avoid the possibility of theft, or an
accident.
You can use up to 4 wireless remote control keys for the
same vehicle. Contact your Lexus dealer for detailed
information.
The wireless remote control key is an electronic
component. Observe the following instructions in
order not to cause damage to the key.
 Do not leave the wireless remote control key on
places where the temperature becomes high such as
on the dashboard.
 Do not disassemble it.
 Avoid knocking it hard against other objects or

KEYS AND DOORS
19
dropping it.
 Avoid putting it in water.
Locking/Unlocking the doors
When you push the ºLOCKº button on the key
briefly, all the doors can be locked from outside the
vehicle.
At this time, you can hear one beep.* However, when
you push the ºLOCKº button with any door not closed
securely, the buzzer sounds for 10 seconds.** To stop
the buzzer, close all the doors securely or push the
ºUNLOCKº button. If the key is in the ignition switch,
locking cannot be done.
Make sure all the doors are locked when you leave the
vehicle. Push the ºLOCKº button once again. If they
were already locked, the turn signal lights will flash.***
NOTE: *The volume of beep sound can be changed.
**The buzzer can be set not to sound with any doornot closed securely. ***The turn signal lights can beset not to flash. Ask your Lexus dealer for details.
NOTICE
Do not push the ºLOCKº button any longer than
2 to 3 seconds. Pushing the button longeractivates an alarm. For details, see page 23.
When you push the ºUNLOCKº button, the driver's door is unlocked. Pushing that button once again
within 3 seconds from the first push, all other doors
are also unlocked.*
NOTE: *Unlocking by a 2±time operation can be
changed. Ask your Lexus dealer for details.

KEYS AND DOORS
20At this time, two beeps sound.* Together with the
activation of unlocking, the interior
light comes on for 15
seconds if the interior light switch is in ºDOORº
position.** However, this function does not work when
the ignition key is in the ºONº position. For further
information, see ºInterior lightsº on page 82.
You have 30 seconds to open a door after using the
wireless remote unlock feature.*** If a door is not
opened by then, all the doors will be automatically
locked again.
Even if the ºLOCKº or ºUNLOCKº switch is kept pressed
in, the locking or unlocking operation is not repeated.
Release the button and then push again.
NOTE: *The volume of beep sound can be changed. **The interior light can be set not to come on or theduration of lighting can be changed. ***The timebefore automatic re±locking can be changed. Ask
your Lexus dealer for details.

KEYS AND DOORS
29
NOTICE
Make sure the positive side and negative sideof the battery should be faced correctly.
Be careful not to bend the electrode of thebattery insertion and that dust or oils do notadhere to the inside of the module.
Take care not to lose the screws and O±ring.
5. Install the lid with the O±ring and 2 screws.
NOTICE
Take care not to damage or bend the O±ring wheninstalling.
6. Install the module into the key frame and secure the
cover with the screw.
7. When pushing any switch on the wireless key, make
sure the indicator light comes on.
DOORS
Locking with key

SECTION 1 ± 2
34
INSTRUMENTS AND CONTROLS
Switches
Headlight switch35
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Headlight dimmer and turn signal switch 38
. . . . . . . . . .
Fog light switch 41
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Windshield wiper and washer switch 41
. . . . . . . . . . . . . .
Headlight cleaner switch 44
. . . . . . . . . . . . . . . . . . . . . . . .
Rear window and outside rear view mirror
defogger switch 45
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power window switches 46
. . . . . . . . . . . . . . . . . . . . . . . . .
Emergency flasher switch 52
. . . . . . . . . . . . . . . . . . . . . . .
Seat heater switches 53
. . . . . . . . . . . . . . . . . . . . . . . . . . .

SWITCHES
35
HEADLIGHT SWITCH
12L001

SWITCHES
36To turn the lights on, twist the knob on the end of the
lever.
FIRST CLICKSTOP: Only the parking, tail, license
plate, side marker and instrument panel lights turn on.
SECOND CLICKSTOP: Headlights also turn on.
THIRD CLICKSTOP (ºAUTOº): The headlights and all
other lights automatically turn on depending on the
darkness of the surroundings.*
Vehicles sold in U.S.A.:
When the headlights are on,
the headlight indicator lights up in the instrument cluster.
Vehicles sold in Canada: When the tail lights are on,
the tail light indicator lights up in the instrument cluster.
Manually twist the knob to the second clickstop to
turn on the headlights if they are needed
immediately when entering a dark tunnel, parking
structure, etc.
12L002a

SWITCHES
37
The automatic light control sensor is on top of the
driver's side instrument panel.
Do not place anything on the instrument panel, and/or do
not affix anything on the windshield to block this sensor.
When the headlights come on, the lights automatically
turn off about 30 seconds after any of the doors is
opened and closed with the ignition key turned to the
ºACCº or ºL
OCKº position.** To turn them on again, turn
the ignition key to the ºONº position, or turn the headlight
switch off and then twist the knob until the first or second
clickstop. If you are going to park for over one week,
make sure the headlight switch is off.
When the headlight switch is on with all the doors locked,
pushing the ºLOCKº button on the wireless remote
control key turns off the headlights.
NOTE: *The operating condition or sensitivity can be changed. **The time before turning off the lights can
be changed. Ask your Lexus dealer for details.
Daytime Running Light System
The headlights turn on at reduced intensity when the
parking brake is released with the engine started, even
with the light switch in the ºOFFº position. They will not
go off until the ignition switch is turned off.
To turn on the other exterior lights and instrument panel
lights, twist the knob to the first clickstop.
Twist the knob to the second clickstop to turn on the
headlights to full intensity for driving at night.
When setting the knob to the third clickstop (ºAUTOº),
the headlights will automatically adjust to full intensity
and/or turn on the other lights depending on the
darkness of the surroundings. Likewise, as the
surroundings become brighter, the headlights will turn to
reduced intensity, ultimately turning off the other lights.
NOTICE
To prevent the battery from being discharged, do not leave the lights on longer than necessarywhen the engine is not running.