Lexus ES 2015 - Electronic Key Battery

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6-3. Do-it-yourself maintenance
Maintenance and care
Q If the electronic key battery is depleted
The following symptoms may occur:
O The smart entry & start system and wire-
less remote control will not function
properly.
O The operational range will be reduced.
Q 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.
Prepare the following before replacing
the battery:
 Flathead screwdriver
 Small flathead screwdriver
 Lithium battery CR2032
Q Use a CR2032 lithium battery
O Batteries can be purchased at any autho-
rized Lexus retailer or Lexus authorized
repairer, or any reliable repairer, local
electrical appliance shops or camera
stores.
O Replace only with the same or equivalent
type recommended by the manufacturer.
O Dispose of used batteries according to
the local laws.
1 Take out the mechanical key.
2 Remove the cover.
3 Remove the battery cover.
4 Remove the depleted battery.
Insert a new battery with the “+” terminal
Electronic key battery
Replace the battery with a new one
if it is depleted.
Items to prepare
Replacing the battery