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6-3. Do-it-yourself maintenance
LS500h_OM_OM50F42U_(U)
6
Maintenance and care
■ 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.
1 Take out the mechanical key.
2 Remove the cover.
To prevent damage to the key, cover the tip
of the flathead screwdriver with a tape.
3 Remove the depleted battery.
Insert a new battery with the “+” terminal
facing up.
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
Replacing the battery
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