2012 Lexus CT200h maintenance

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4-3. Do-it-yourself maintenance
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Maintenance and care
CT200h_OM_OM76067E_(EE)
Cleaning method
If the filter is dirty, clean by
blowing compressed air
through the filter from the
underside.
Hold the air gun 5 cm (2
in.) from the filter and
blow for approximately 2
minutes at 500 kPa (5.0
kgf/cm
2 or bar, 72 psi).
If an air gun is not avail-
able, have the filter
cleaned by any authorized
Lexus dealer or repairer, or
another duly qualified and

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4-3. Do-it-yourself maintenance
CT200h_OM_OM76067E_(EE)
Checking interval
Inspect, clean and replace the air conditioning filter according to the mainte-
nance schedule. In dusty areas or areas with heavy traffic flow, early
replacement may be required. (For scheduled maintenance information,
please refer to the “Lexus Service Booklet” or “Lexus Warranty Booklet”.)
If air flow from the vents decreases dramatically
The filter may be clogged. Check the filter and replace if necessary.
NOTICE
To prevent damage to the system
When using the air conditioning system, make sure that a filter is always
installed.
When cleaning the filter, do not clean with water.

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Maintenance and care
CT200h_OM_OM76067E_(EE)
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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4-3. Do-it-yourself maintenance
CT200h_OM_OM76067E_(EE)
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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Maintenance and care
CT200h_OM_OM76067E_(EE)
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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4-3. Do-it-yourself maintenance
CT200h_OM_OM76067E_(EE)
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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Maintenance and care
CT200h_OM_OM76067E_(EE)
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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4-3. Do-it-yourself maintenance
CT200h_OM_OM76067E_(EE)
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