change key battery Lexus IS300 2002 Electrical Components / LEXUS 2002 IS300 WAGON OWNER'S MANUAL (OM53423U)

KEYS AND DOORS
14In 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 18. 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 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, one beep sounds* and the emergency flashers
flash once.** 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, one beep sounds and the emergency flashers will
flash.
NOTE: *The beep sound can be set not to sound. **The emergency flasher can be set not to flash. ***The buzzercan be set not to sound if a door is not closed securely. Askyour Lexus dealer for details.
NOTICE
Sedan only: Do not push the ºLOCKº button any longerthan 2 to 3 seconds. Pushing the button longeractivates an alarm. For details, see page 16.
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: *The 2±step unlocking function can be changed.Ask your Lexus dealer for details.

THEFT DETERRENT
172
THEFT DETERRENT SYSTEM
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 the battery terminal is disconnected
and then reconnected while the vehicle is locked.*
NOTE: *The system operating condition can be changed.Ask your Lexus dealer for details.
The alarm blows the horn intermittently and flashes the
headlights, tail lights and other exterior lights.
SV17002
Setting the system
1. Turn the ignition key to the ºLOCKº position and
remove it.
The engine immobiliser 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.
The flashing indicator light will remain 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.
Cancelling the system
When you unlock any door or trunk using an ignition key
or wireless remote control, the system is cancelled.
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.
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.

STARTING AND DRIVING
223
IGNITION SWITCH WITH STEERINGLOCK
SS31002
ºSTARTº ± Starter motor on. The key will return to the
ºONº position when released.
For starting tips, see page 225.
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 discharge and theelectronic ignition 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 be
changed. Ask your Lexus dealer for details.
SS31003
ºLOCKº ± Engine is off and the steering wheel is locked.
The ignition key can be removed only at this position.
Manual transmission: To turn the key from ºACCº to the
ºLOCKº position, you must push in the key.
Automatic transmission: To turn the key from ºACCº to the
ºLOCKº position you must put the transmission selector lever
in the ºPº position and you must push in the key.
Once you remove the key, the engine immobiliser system is
automatically set. See ºEngine immobiliser systemº on page
11 .