Lexus RX300 Manual page 27

KEYS AND DOORS
In the following cases, the battery in the key may be discharged. If
this is a case, replace it using a special screwdriver.
D The remote control does not work.
D The operational range of wireless remote control becomes
extremely short.
D The indicator light on the key is dimmed or does not come on.
For the replacement of the battery, see "Replacing the battery" 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
on the key.
D Do not leave the wireless remote control key on the places where
the temperature becomes high such as on the dashboard.
D Do not disassemble it.
D Avoid knocking it hard against other objects or dropping it.
D Avoid putting it in water.
12
Locking/Unlocking the doors
When you push the "LOCK" button on the key briefly, all the
side doors and back door can be locked from outside the vehicle.
At this time, you can hear one beep* and the turn signal lights
flash.** However, when you push the "LOCK" button with any door
not closed securely, the buzzer sounds for 10 seconds.*** To stop
the buzzer, close all the side doors and back door securely or push
the "UNLOCK" 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 "LOCK" button once again. If they were already locked, the turn
signal lights will flash.
NOTE: *The volume of beep sound can be changed. **The turn
signal lights can be set not to flash. ***The buzzer can be set not
to sound with any door not closed securely. Ask your Lexus dealer
for details.
When you push the "UNLOCK" button, the driver's door is
unlocked. Pushing that button once again within 3 seconds from
the first push, all other side doors and back door are also
unlocked.*
NOTE: *Unlocking by a 2–time operation can be changed. Ask
your Lexus dealer for details.