2001 Lexus IS300 key battery

KEYS AND DOORS
12In 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 15. 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 with any door not closed securely.Ask your Lexus dealer for details.
NOTICE
Do not push the ºLOCKº button any longer than 2 to 3seconds. Pushing the button longer activates an alarm.For details, see page 14.
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
15
Connect the equipment into an outlet on a circuit
different from that to which the receiver is
connected.
 Consult the dealer or an experienced radio / TV
technician for help.
FCC WARNING:
Changes or modifications not expressly approved by
the party responsible for compliance could void the
user's authority to operate the equipment.
For vehicles sold in 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
When you replace the battery, prepare a lithium battery
CR1616 and a special screwdriver.
CAUTION
Special care should be taken that small children do not
swallow the removed battery or components.
NOTICE
When replacing the battery, be careful not to lose the components, screws and O±ring.
11L028±1
1. Remove the screw, and then the cover while pushing it in the
arrow direction.

KEYS AND DOORS
16
11L029±1
2. Remove the module from the key frame.
11L030±1
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 thebattery should be faced correctly.
Be careful not to bend the electrode of the batteryinsertion and that dust or oils do not adhere to theinside of the module.
Take care not to lose the screws and O±ring.
5. Install the lid with the 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.

SWITCHES
27
REAR WINDOW DEFOGGERSWITCH
SS12017b
To turn the electric rear window defogger on, push the
switch.
The ignition key must be in the ºONº position.
The thin heater wires on the inside of the rear window will
quickly clear the surface. An indicator light is on when the
defogger is operating.
The system will automatically shut off when the defogger has
operated about 15 minutes.
If further defrosting or defogging is desired, simply actuate the
switch again. When the surface has cleared, push the switch
once again to turn the defogger off. Continuous use may cause
the battery to discharge, especially during stop±and±go
driving. The defogger is not designed to dry rain water or to
melt snow.
NOTICE
When cleaning the inside of the rear window, be
careful not to scratch or damage the heater wires.
To prevent the battery from being discharged, do notoperate the defogger continuously longer thannecessary.

SWITCHES
30
EMERGENCY FLASHER SWITCH
SS12024
To turn on the emergency flashers, push the switch.
All the turn signal lights will flash. The emergency flashers will
work with the engine running or off and with or without the
ignition key.
Turn on the emergency flashers to warn other drivers if you
must stop your vehicle where it might be a traffic hazard.
Always pull your vehicle as far off the road as possible.
The turn signal light switch will not work when the emergency
flashers are in operation.
NOTICE
To prevent the battery from being discharged, do notleave the switch on longer than necessary when theengine is not running.
SEAT HEATER SWITCHES
SV12006

1For driver's seat 2For front passenger's seat
There is a heater switch for each front seat. Push these
switches to turn the respective seat heater on, and push
the switches again to turn them off.
The ignition key must be in the ºONº position.
When the seat heater switch is on, the indicator on the right
side of the switch will come on.

GAUGES, METERS AND SERVICE REMINDER INDICATORS
41
(d) SRS Warning Light
The indicator comes on when the ignition key is turned to
the ºACCº or ºONº position. It goes off after about 6
seconds. This means the SRS airbags and front seat belt
pretensioners are operating properly.
The warning light system monitors the airbag sensor
assembly, front airbag sensors, side airbag sensors, door side
airbag sensors, front seat belt pretensioner assemblies,
inflators, warning light, interconnecting wiring and power
sources.
If either of the following conditions occurs, this indicates a
malfunction somewhere in the parts monitored by the warning
light system. Contact your Lexus dealer as soon as possible
to service the vehicle.
 When the ignition key is turned to the ºACCº or ºONº
position, the light does not come on, remains on or flashes.
 The light comes on or starts flashing while driving.
If the light stays on, it indicates that the driver and front
passenger airbags fail. If the light flashes, the side airbags
and/or seat belt pretensioners fail.
(e) Discharge Warning Light
This light warns that the battery is being discharged.
If it comes on while you are driving, stop the vehicle, turn off the
engine, and check for the cause. Look first at the engine drive
belt.
 If it is loose or broken, the generator will not charge the
battery properly.
 If the belt is O.K., there is a problem somewhere in the
charging system.
The engine ignition will continue to operate, however, until the
battery is discharged. Turn off the air conditioning, blower,
radio, etc., and drive directly to the nearest Lexus dealer or
repair shop.
NOTICE
Do not continue driving if the engine drive belt is broken or loose.

INTERIOR EQUIPMENT
53
POWER OUTLET
SV14004
The power outlet is designed for power supply for car
accessories.
The ignition key must be in the ºACCº or ºONº position for t\
he
power outlet to be used.
NOTICE
To prevent the fuse from being blown, do not use theelectricity over the total vehicle capacity of 12V 3.5A.
To prevent the battery from being discharged, do notuse the power outlet longer than necessary when theengine is not running.
Close the power outlet lid when the power outlet isnot in use. Inserting a foreign object other than theappropriate plug that fits the outlet, or allowing anyliquid into the outlet may cause electrical failure orshort circuits.

THEFT DETERRENT
11 8
THEFT DETERRENT SYSTEM
To deter theft of the vehicle, this system is designed to
give 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 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.
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 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.