Lexus ES 300(h), Owner'S Manual

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3
3-1. Key information
Before drivi
ng
● If the battery becomes low, an alarm will
sound in the cabin when the hybrid sys-
tem is stopped.
●
Battery-saving mode can reduce the
power consumption of electronic keys
that are not used for long periods of time.
(

P.169)
● As the electronic key always receives
radio waves, the battery will become
depleted even if the electronic key is not
used. The following symptoms indicate
that the electronic key battery may be
depleted. Replace the battery when nec-
essary. (

P.429)
• The smart entry & start system or the
wireless remote control does not oper-
ate.
• The detection area becomes smaller.
• The LED indicator on the key surface
does not turn on.
You can replace the battery by yourself
(

P.429). However, as there is a danger
that the electronic key may be damaged, it
is recommended that the replacement be
carried out by your Lexus dealer.
●
To avoid serious deterioration, do not
leave the electronic key within 1 m (3 ft.)
of the following electrical appliances that
produce a magnetic field:
• TVs
• Personal computers
• Cellular phones, cordless phones and
battery chargers
• Recharging cellular phones or cordless
phones
• Table lamps
• Induction cookers
■ Replacing the battery

P.429
■
Confirmation of the registered key
number
The number of keys already registered to
the vehicle can be confirmed. Ask your
Lexus dealer for details.
■ If “A New Key has been Registered
Contact Your Dealer for Details” is
shown on the multi-information display
This message will be displayed each time
the driver’s door is opened when the doors
are unlocked from the outside for approxi-
mately 10 days after a new electronic key
has been registered.
If this message is displayed but you have not
had a new electronic key registered, ask
your Lexus dealer to check if an unknown
electronic key (other than those in your
possession) has been registered.
NOTICE
■ To prevent key damage
● Do not drop the keys, subject them to
strong shocks or bend them.
● Do not expose the keys to high tem-
peratures for long periods of time.
● Do not get the keys wet or wash them
in an ultrasonic washer etc.
● Do not attach metallic or magnetic
materials to the keys or place the keys
close to such materials.
● Do not disassemble the keys.
● Do not attach a sticker or anything else
to the surface of the electronic key.
● Do not place the keys near objects that
produce magnetic fields, such as TVs,
audio systems and induction cookers.
● Do not place the keys near medical
electrical equipment such as low-fre-
quency therapy equipment or micro-
wave therapy equipment, and do not
receive medical attention with the keys
on your person.
■ Carrying the electronic key on your
person
Carry the electronic key 10 cm (3.9 in.)
or more away from electric appliances
that are turned on. Radio waves emitted
from electric appliances within 10 cm
(3.9 in.) of the electronic key may inter-
fere with the key, causing the key to not
function properly.