Lexus UX 250h 2020 Owner's Manual page 107

You can replace the battery by yourself
(P.368). However, as there is a danger
that the electronic key may be damaged, it
is recommended that replacement be car-
ried out by your Lexus dealer.
● To avoid serious deterioration, do not
leave the electronic key within 3 ft. (1 m)
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.368
■ 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 dis-
played but you have not had a new elec-
tronic 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.
3-1. Key information
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,
or medical electrical equipment, such
as low-frequency therapy equipment.
Carrying the electronic key on your
■
person
Carry the electronic key 3.9 in. (10 cm)
or more away from electric appliances
that are turned on. Radio waves emitted
from electric appliances within 3.9 in. (10
cm) of the electronic key may interfere
with the key, causing the key to not func-
tion properly.
In case of a smart access system with
■
push-button start malfunction or
other key-related problems
P.403
When an electronic key is lost
■
P.402
Handling the card key
■
If the battery or card key terminals get
●
wet, the battery may corrode and the
card key may stop working.
If the key is dropped into water, or if
drinking water, etc., is spilled on the
key, immediately remove the battery
cover and wipe the battery and termi-
nals. (To remove the battery cover,
lightly grasp and pull it.) If the battery is
corroded, have your Lexus dealer
replace the battery.
Do not crush the battery cover or use
●
a screwdriver to remove the battery
cover.
Forcibly removing the battery cover
may bend or damage the key.
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