Lexus IS220d 2012 Manual page 457

4-3. Do-it-yourself maintenance

If the electronic key battery is discharged
The following symptoms may occur.

The smart entry & start system and wireless remote control will not
function properly.

The operational range is reduced.

Use a CR1632 lithium battery

Batteries can be purchased at any authorized Lexus dealer or repairer, or
another duly qualified and equipped professional, jewelers, or camera
stores.

Replace only with the same or equivalent type recommended by any
authorized Lexus dealer or repairer, or another duly qualified and
equipped professional.

Dispose of used batteries according to the local laws.

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.
CAUTION

Removed battery and other parts
Keep away from children. These parts are small and if swallowed by a child,
they can cause choking. Failure to do so could result in death or serious
injury.

Certification for the smart entry & start system
RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN INCOR-
RECT TYPE. DISPOSE OF USED BATTERIES ACCORDING TO THE
INSTRUCTIONS.
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IS250/220d/200d_EE