2012 Lexus CT200h Owner's Manual (in English)

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Maintenance and care
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Electronic key battery
Replace the battery with a new one if it is depleted.
You will need the following items:
Flathead screwdriver
Small Phillips-head screwdriver
Lithium battery CR1632
Replacing the battery
Type A
Take out the mechanical key.
Remove the cover.
STEP1
STEP2

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Remove the battery cover
bolts and remove the battery
cover.
Remove the depleted battery.
Insert a new battery with the
“+” terminal facing up.
STEP3
STEP4

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Type B
Take out the mechanical key.
Remove the cover.
To prevent damage to the
key, cover the tip of the
screwdriver with a rag.
Remove the depleted battery.
Insert a new battery with the
“+” terminal facing up.
STEP1
STEP2
STEP3

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Use a CR1632 lithium battery
Batteries can be purchased at any authorized Lexus dealer or repairer, or
another duly qualified and equipped professional, local electrical appli-
ance shops or camera stores.
Replace only with the same or equivalent type recommended by the
manufacturer.
Dispose of used batteries according to local laws.
When the card key battery needs to be replaced (if equipped)
The battery for the card key is available only at Lexus dealer. Your Lexus
dealer can replace the battery for you.
If the electronic key battery is depleted
The following symptoms may occur:
The smart entry & start system, push-button start system and wireless
remote control will not function properly.
The operational range will be reduced.

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CAUTION
Removed battery and other parts
These parts are small and if swallowed by a child, they can cause choking.
Keep away from children. Failure to do so could result in death or serious
injury.
Certification for the smart entry & start system and push-button start system
RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN INCOR-
RECT TYPE. DISPOSE OF USED BATTERIES ACCORDING TO THE
INSTRUCTIONS.
NOTICE
For normal operation after replacing the battery
Observe the following precautions to prevent accidents:
Always work with dry hands.
Moisture may cause the battery to rust.
Do not touch or move any other component inside the remote control.
Do not bend either of the battery terminals.

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Checking and replacing fuses
If any of the electrical components do not operate, a fuse may have
blown. If this happens, check and replace the fuses as necessary.
Turn the “POWER” switch off.
Open the fuse box cover.
Engine compartment
Push the tab in and lift the lid
off.
Left side instrument panel (left-hand drive vehicles)
Remove the lid.STEP1
STEP2

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Left side instrument panel (right-hand drive vehicles)
Remove the cover.
Remove the lid.
After a system failure, see “Fuse layout and amperage
ratings” (P. 536) for details about which fuse to check.
STEP3

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Remove the fuse.
Only type A fuse can be
removed using the pullout
tool.
Check if the fuse is blown.
Ty p e A
Normal fuse
Blown fuse
Replace the blown fuse with
a new fuse of an appropriate
amperage rating. The amper-
age rating can be found on
the fuse box lid.
Ty p e B
Normal fuse
Blown fuse
Replace the blown fuse with
a new fuse of an appropriate
amperage rating. The amper-
age rating can be found on
the fuse box lid.
STEP4
STEP5