Electronic Key Battery - Lexus LS 500h 2019 Owner's Manual

506 6-3. Do-it-yourself maintenance

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.
If the electronic key battery is depleted
■
The following symptoms may occur:
The smart entry & start system and wire-
●
less 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.
Items to prepare
 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.
LS500h_OM_General_OM50J66E
Replacing the battery
Take out the mechanical key.
1
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