LEXUS LS430 2005 Repair Manual

KEYS AND DOORS
42For vehicles sold in Canada
This device complies with RSS− 210 of Industry
Canada.
Operation is subject to the following two conditions:
(1) This device may not cause interference, and (2)
this device must accept any interference, including
interference that may cause undesired operation of the
device.
Replacing the battery (Type A)
We recommend that you have the battery replaced by your
Lexus dealer to prevent the key from being damaged.
When you replace the battery, prepare a lithium battery
CR2032 or equivalent and a special screwdriver.
CAUTION
Special care should be taken to prevent small children
from swallowing the removed battery or components.
NOTICE
 Replace only with the same or equivalent type
recommended by a Lexus dealer.
 Dispose of used batteries according to the local laws.

KEYS AND DOORS
43
11L228
1. While sliding the lock switch using your finger, remove the
cover on the side of the key using a special screwdriver.
11L226
2. Remove the module from the main frame.
11L162
3. Pull the battery base out of the module using a special
screwdriver.
11L163
4. Remove the battery base from the module.
5. Take out the discharged battery and put a new battery with
the positive side up.

KEYS AND DOORS
44
NOTICE
Make sure the positive side and negative side of the
battery are faced correctly.
 Do not replace the battery with wet hands. Water may
cause unexpected rust.
 Do not touch or move any components inside the
transmitter, or it may interfere with proper operation.
 Be careful not to bend the electrode when inserting
the battery and that dust or oils do not adhere to the
inside of the module.
6. Install the battery base into the module.
NOTICE
Take care not to damage or bend the battery base when
installing.
7. Install the module into the main frame.
8. Install the cover back on the side of the key by sliding it using
your finger.
9. When pushing any switch on the wireless key, make sure
the indicator light comes on.
Replacing the battery (Type B)
When you replace the battery, prepare a lithium battery
CR1616 or equivalent and a special screwdriver.
CAUTION
Special care should be taken to prevent small children
from swallowing the removed battery or components.
NOTICE
 When replacing the battery, be c areful not to lose the
components, screws and Oring.
 Replace only with the same or equivalent type
recommended by a Lexus dealer.
 Dispose of used batteries according to the local laws.
11L0281
1. Remove the screw, and then the cover while pushing it in the

KEYS AND DOORS
45
arrow direction.
11L0291
2. Remove the module from the key frame.
11L0301
3. Remove the 2 screws to take out the lid of the module.
4. Take out the discharged battery and put a new battery with
the positive side up.
NOTICE

Make sure the positive side and negative side of the
battery are faced correctly.
 Do not replace the battery with wet hands. Water may
cause unexpected rust.
 Do not touch or move any components inside the
transmitter, or it may interfere with proper operation.
 Be careful not to bend the electrode when inserting
the battery and that dust or oils do not adhere to the
inside of the module.
 Take care not to lose the screws and Oring.
5. Install the lid with the 2 screws.
NOTICE
Take care not to damage or bend the Oring when
installing.
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.

KEYS AND DOORS
46
DOORS
See page 25 for locking the doors with smart key system
and page 28 for unlocking them with smart key system.
Locking with key
11L227
 1Type A 2Type B 3Lock 4Unlock
Turn the key towards the front of the vehicle to lock and
towards the back to unlock.
The doors lock and unlock simultaneously with the driver’s
door. Turning the key once will unlock the driver’s door and
twice in succession will unlock all doors simultaneously.* NOTE:
* The 2step unlocking function can be changed.
Ask your Lexus dealer for details. If a wrong key is used, the key cylinder rotates freely to isolate
inside
mechanism. So, door locking is protected from thieves.
The windows and moon roof can be opened and closed from
outside the vehicle using the key. For details, see “Power
window switches” on page 64 and “Moon roof” on page 148.

KEYS AND DOORS
47
Locking with inside lock button
11L047a
 1Lock 2Unlock
Push in the lock button to lock and unlock the door.
The front doors can be opened by pulling the inside handles
even if the lock buttons are in the locked position.
CAUTION
Do not pull the inside handle of the front doors while
driving. The doors will open and an accident may occur.
Lexus strongly recommends that all children be placed
in the rear seat of the vehicle.
Closing the door with the lock button pushed in will also lock
the door. Be careful not to lock your keys in the vehicle. Doors
cannot be locked when either front door is open and the key is
in the ignition. For the vehicles equipped with the smart key
system, if you open the driver’s door to get out from the vehicle
without returning the ignition switch to the “LOCK” position,
chimes sound and the door will not lock when closing the door.
If the vehicle is subjected to a severe frontal, rear or side
impact with the ignition switch turned to the “ON” position, all
doors will unlock automatically after a few seconds.
CAUTION
Before driving, make sure the doors are closed and
locked, especially when small children are in the
vehicle. Along with the proper use of seat belts, locking
the doors helps prevent the driver and passengers from
being thrown out from the vehicle in an accident. It also
helps prevent the doors from being opened
unintentionally.

KEYS AND DOORS
48
Locking with power door lock switch
11L367
 1Lock 2Unlock
To lock all the doors simultaneously, push the power door
lock switch down on the front side. Pushing down on the
rear side will unlock them.
When you push the power door lock switch on the rear side to
unlock the doors to allow a passenger to get in, the outer foot
lights come on. To turn off the lights, push the power door lock
switch on the front side. (For details, see “Outer foot lights” \
on
page 233.)
The same switch is also found on the front passenger’s side.
However, pushing this switch will neither turn on nor off the
outer foot lights. Auto door locking function*:
A l l t h e d o o r s w i l l l o c k
automatically when the selector lever is moved out of “P”
position. This auto door locking function is operable if any
doors are unlocked while the ignition switch is in the “ON”
position.
NOTE:
* This setting can be changed as in the following:
 All the doors are locked automatically at 20 km/h (12
mph) or higher vehicle speed. However, if any door is
unlocked during driving, this auto locking function does
not operate until the unlocked door is once opened.
 When the selector lever is moved out of “P” position and
the brake pedal is held off your foot, this function is
enabled.
Ask your Lexus dealer for details.

KEYS AND DOORS
49
Door closer (some models)
If any door is closed but does not latch shut, it
automatically closes completely. This system is equipped
on all the doors and will activate regardless of the ignition
switch position.
Pulling the door handle will cancel the door closer, allowing you
to open the door which is about to close. However, pulling the
door handle of the rear door which is locked with the child
protector will not cancel the door closer.
CAUTION
 Careful attention is needed so as not to get your
fingers trapped as the door automatically closes
when the door has not been fully closed.
 Never allow a child to operate the door.
Locking with rear door childprotector
11L213
 1
Lock 2Unlock
Whenever small children are in the vehicle, lock the rear
door so that it does not open by the inside door handle.
To do this, move the knob to the “LOCK” position as
shown and then close the door.

KEYS AND DOORS
50
THEFT DETERRENT SYSTEM
17L013
To deter theft of the vehicle, this system is designed to
sound an alarm if any of the doors, trunk or hood is
forcibly unlocked or opened or the battery terminal is
disconnected and then reconnected while the vehicle is
locked.
The alarm blows the horn intermittently, flashes the headlights,
tail lights, turn signal lights and other exterior lights. When the
interior light switch is in the “DOOR” position, the interior lights
also turn on.
After the alarm is activated, when you unlock any door or the
trunk using an ignition key or wireless remote control or smart
key system, the tail lights turn on for about 2 seconds to inform
you that the system was activated.
17L021
 Security indicator light
Setting the system
In the case of the smart key system:
1. Turn the ignition switch to the “LOCK” position.
The engine immobilizer system causes to the indicator light to
flash.
2. Close and lock all the doors, trunk and hood using an
ignition key or wireless remote control or smart key
system.
If you lock them with wireless remote control or smart key
system, the turn signals flash once.*
NOTE:
* The turn signals can be set not to flash.
Ask your Lexus dealer for details.

KEYS AND DOORS
51
The flashing indicator light will stay on when all the doors, trunk
and hood are closed and locked.
3. After 30 seconds, the indicator starts flashing and the
system is set.
After the system is set, when you close the trunk which is
opened
with an ignition key or wireless remote control or smart
key system, the system is set again. However, this function
operates only when the door is not unlocked during which the
trunk is opened and closed.
In case of the ignition switch with the key inserted:
1. Turn the ignition key to the “LOCK” position and
remove it.
The engine immobilizer system causes the indicator light to
flash.
2. Close and lock all the doors, trunk and hood using an
ignition key or wireless remote control or smart key
system.
If you lock them with wireless remote control or smart key
system, 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 stay on when all the doors, trunk
and hood are closed and locked. 3. After 30 seconds, the indicator starts flashing and the
system is set.
After the system is set, when you close the trunk which is
opened
with an ignition key or wireless remote control or smart
key system, the system is set again. However, this function
operates only when the door is not unlocked during which the
trunk is opened and closed.
Cancelling the system
When you unlock any door using an ignition key , wireless
remote control or smart key system, the system is
cancelled.
If you unlock any door with the wireless remote control or smart
key system, the turn signals flash twice.*
NOTE:
* The turn signals can be set not to flash.
Ask your Lexus dealer for details.