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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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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597Alphabetical index
IS300h_EE(OM53C61E)
Fuel .............................................................. 241
Capacity .................................................562
Fuel gauge.............................................. 109
Information ..............................................571
Refueling .................................................. 241
Type ................................................241, 562
Warning light ...................................... 505
Fuel consumption .................................. 124
Average fuel economy ...................... 116
Current fuel consumption................ 116
Fuel filler door ......................................... 241
If the fuel filler door
cannot be opened ......................... 243
Refueling .................................................. 241
Fuel gauge ................................................ 109
Fuses .......................................................... 474
Gauges ...................................................... 109
Glove box ................................................. 414
Glove box light ....................................... 414Hands-free system
(for cellular phone) ........................... 367
Head restraints ........................................ 173
Headlight cleaner................................. 235
Headlights ............................................... 226
Automatic High Beam
system...................................................229
Discharge headlights
precautions ......................................... 491
Follow me home system................. 227
Light switch............................................226
Replacing light bulbs ....................... 490
Wattage ................................................. 570
Heaters ..................................................... 398
Air conditioning system ................. 398
Heated steering wheel ................... 409
Outside rear view mirrors ............ 404
Seat heaters............................................ 410
Hill-start assist control ........................ 286
High-voltage components .................. 83
Hood .......................................................... 437
Open ........................................................437
Pop Up Hood ........................................ 56
G
H
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