Electronic key battery- Page 308

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6-3. Do-it-yourself maintenance

When an air conditioning odor comes out 

continuously, replace the air conditioning 

filter.

■

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.

NOTICE

■

When using the air conditioning sys-

tem

Make sure that a filter is always installed.

Using the air conditioning system without 

a filter may cause damage to the system.

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