Lexus IS220d 2012 Manual page 456

Replace the battery with a new one if it is discharged.

You will need the following items:
 Flathead screwdriver
 Small Phillips-head screwdriver
 Lithium battery (CR1632)

Replacing the battery
STEP 1
STEP 2
STEP 3
IS250/220d/200d_EE
4-3. Do-it-yourself maintenance
Take out the mechanical key.
Remove the cover.
Remove the depleted battery.
Insert a new battery with the
"+" terminal facing up.
4
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