Lexus IS300h 2014 Owner's Manual

Page 471 of 612

4717-3. Do-it-yourself maintenance
7
Maintenance and care
IS300h_EE(OM53C61E)
●Flathead screwdriver
●Small flathead screwdriver
●Lithium battery CR2032
Take out the mechanical key.
Remove the cover.
To prevent damage to the key, wrap the
tip of the screwdriver with tape.
Remove the battery cover.
To prevent damage to the key, wrap the
tip of the screwdriver with tape.
Electronic key battery
Replace the battery with a new one if it is depleted.
You will need the following items:
Replacing the battery
1
2
3
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Page 472 of 612

4727-3. Do-it-yourself maintenance
IS300h_EE(OM53C61E)
Remove the depleted battery.
Insert a new battery with the “+” termi-
nal facing up.
■Use a CR2032 lithium battery
●Batteries can be purchased at any authorized Lexus dealer or repairer, or another duly
qualified and equipped professional, 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.
■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.
■If the electronic key battery is depleted
The following symptoms may occur:
●The smart entry & start system and wireless remote control will not function properly.
●The operational range will be reduced.
■Certification for the key battery
●Replace only with the same or equivalent type recommended by the manufacturer.
●Dispose of used batteries according to local laws.
4
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Page 473 of 612

4737-3. Do-it-yourself maintenance
7
Maintenance and care
IS300h_EE(OM53C61E)
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.
■Lithium battery precautions
RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN INCORRECT 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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Page 474 of 612

4747-3. Do-it-yourself maintenance
IS300h_EE(OM53C61E)
Turn the power switch off.
Open the fuse box cover.
XEngine compartment:
Remove the clips.
Push the tabs on either side to
detach the lock and lift the lid off
while pulling the lock plate.
When installing the lid, check that the
lock plate and the tabs on either side
are connected correctly.
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.
1
2
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Page 475 of 612

4757-3. Do-it-yourself maintenance
7
Maintenance and care
IS300h_EE(OM53C61E)
XLeft side instrument panel (left-hand drive vehicles)
Remove the lid.
XLeft side instrument panel (right-hand drive vehicles)
Remove the lid.
Remove the fuse with the pullout
tool.
Only type A fuses can be removed
using the pullout tool.
3
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Page 476 of 612

4767-3. Do-it-yourself maintenance
IS300h_EE(OM53C61E)
Check if the fuse is blown.
Normal fuse
Blown fuse
Ty p e A a n d B :
Replace the blown fuse with a new fuse of an appropriate amperage rating. The
amperage rating can be found on the fuse box lid.
Type C and D:
Contact any authorized Lexus dealer or repairer, or another duly qualified and
equipped professional.
4
1
2
XTy p e AXTy p e B
XTy p e CXTy p e D
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Page 477 of 612

4777-3. Do-it-yourself maintenance
7
Maintenance and care
IS300h_EE(OM53C61E)
■After a fuse is replaced
●If the lights do not turn on even after the fuse has been replaced, a bulb may need
replacement. (→P. 4 7 8 )
●If the replaced fuse blows again, have the vehicle inspected by any authorized Lexus
dealer or repairer, or another duly qualified and equipped professional.
■If there is an overload in a circuit
The fuses are designed to blow, protecting the wiring harness from damage.
■When replacing light bulbs
Lexus recommends that you use genuine Lexus products designed for this vehicle.
Because certain bulbs are connected to circuits designed to prevent overload, non-gen-
uine parts or parts not designed for this vehicle may be unusable.
CAUTION
■To prevent system breakdowns and vehicle fire
Observe the following precautions.
Failure to do so may cause damage to the vehicle, and possibly a fire or injury.
●Never use a fuse of a higher amperage rating than that indicated, or use any other
object in place of a fuse.
●Always use a genuine Lexus fuse or equivalent.
Never replace a fuse with a wire, even as a temporary fix.
●Do not modify the fuses or fuse boxes.
■Fuse box near the power control unit
Never check or replace the fuses as there are high voltage parts and wiring near the
fuse box.
Doing so may cause electric shock, resulting in death or serious injury.
NOTICE
■Before replacing fuses
Have the cause of electrical overload determined and repaired by any authorized
Lexus dealer or repairer, or another duly qualified and equipped professional as soon
as possible.
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Page 478 of 612

4787-3. Do-it-yourself maintenance
IS300h_EE(OM53C61E)
Check the wattage of the light bulb to be replaced. (→P. 5 7 0 )
Light bulbs
You may replace the following bulbs by yourself. The difficulty level of replace-
ment varies depending on the bulb. As there is a danger that components may
be damaged, we recommend that replacement is carried out by any autho-
rized Lexus dealer or repairer, or another duly qualified and equipped profes-
sional.
Preparing for light bulb replacement
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Page 479 of 612

4797-3. Do-it-yourself maintenance
7
Maintenance and care
IS300h_EE(OM53C61E)
■Front
■Rear
Bulb locations
XVehicles with discharge head-
lightsXVehicles with LED headlights
Front turn signal light
Back-up light (right-hand drive vehicles)
Back-up light (left-hand drive vehicles)
Rear turn signal light
Outer foot light1
2
3
4
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Page 480 of 612

4807-3. Do-it-yourself maintenance
IS300h_EE(OM53C61E)
■Front turn signal lights (vehicles with discharge headlights)
To ensure enough space to per-
form work, turn the steering
wheel to rotate the front wheel
away from the bulb to be
replaced.
Remove the 2 fender liner clips.
Turn the steering wheel to the left
when replacing the right side light
bulb, and turn the steering wheel to
the right when replacing the left side
light bulb.
To take out the lower clip, turn the
head of the clip to unlock it, then
remove it by pulling.
Unfasten the clamp, and pull back
the fender liner.
When unfastening the clamp, wrap
the tip of the screwdriver with tape to
protect the vehicle from damage.
Turn the bulb base counterclock-
wise.
Replacing light bulbs
1
2
3
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