Lexus is300 2021, Service Manual

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6-3. Do-it-yourself maintenance
When an air conditioning odor comes out
continuously, replace the air conditioning
filter.
■ If the electronic key battery is depleted
The following symptoms may occur:
● The smart access system with push-but-
ton start and wireless remote control will
not function properly.
● The operational range will be reduced.
■
When the card key battery needs to be
replaced (if equipped)
The battery for the card key is available only
at Lexus dealers. Your Lexus dealer can
replace the battery for you.

Flathead screwdriver
 Small flathead screwdriver
 Lithium battery CR2032
■ Use a CR2032 lithium battery
● Batteries can be purchased at your Lexus
dealer, local electrical appliance shops or
camera stores.
● Replace only with the same or equivalent
type recommended by the manufacturer.
● Dispose of used batteries according to
local laws.
NOTICE
■ When using the air conditioning sys-
tem
Make sure that a filter is always installed.
Using the air conditioning system without
a filter may cause damage to the system.
Electronic key battery
Replace the battery with a new one
if it is depleted.
As the key may be damaged if the
following procedure is not per-
formed properly, it is recom-
mended that key battery
replacement be performed by your
Lexus dealer.
Items to prepare