Page 478 of 640

478
CT200h_OM_OM76215U_(U)7-3. Do-it-yourself maintenance
Do-it-yourself service precautions
If you perform maintenance by yourself, be sure to follow the correct proce-
dure as given in these sections.
ItemsPa r t s a n d t o o l s
12-volt battery con-
dition (
P. 4 9 1 )•Grease
• Conventional wrench (for terminal clamp bolts)
Brake fluid level
( P. 4 8 9 )
• FMVSS No.116 DOT 3 or SAE J1703 brake fluid
• Rag or paper towel
• Funnel (used only for adding brake fluid)
Engine/power con-
trol unit coolant level
( P. 4 8 7 )
• “Toyota Super Long Life Coolant” or a similar high quality
ethylene glycol-based non-silicate, non-amine, non-nitrite
and non-borate coolant with long-life hybrid organic acid
technology
For the U.S.A.:
“Toyota Super Long Life Coolant” is pre-mixed with 50%
coolant and 50% deionized water.
For Canada:
“Toyota Super Long Life Coolant” is pre-mixed with 55%
coolant and 45% deionized water.
• Funnel (used only for adding coolant)
Engine oil level
( P. 4 8 4 )
• “Toyota Genuine Motor Oil” or equivalent
• Rag or paper towel
• Funnel (used only for adding engine oil)
Fuses ( P. 511)• Fuse with same amperage rating as original
Light bulbs
( P. 5 1 4 )
• Bulb with same number and wattage rating as original
• Phillips-head screwdriver•Flathead screwdriver
•Wrench
Radiator and con-
denser ( P. 4 8 9 )
Tire inflation pres-
sure ( P. 5 0 2 )• Tire pressure gauge• Compressed air source
Wa s h e r f l u i d
( P. 4 9 0 )• Water or washer fluid containi ng antifreeze (for winter use)
• Funnel (used only for adding water or washer fluid)
Page 483 of 640
483
CT200h_OM_OM76215U_(U)7-3. Do-it-yourself maintenance
7
Maintenance and care
Engine compartment
■12-volt battery
P. 4 9 1
Engine coolant reservoir
(P. 4 8 7 )
Engine oil level dipstick (P. 4 8 4 )
Engine oil filler cap ( P. 4 8 4 )
Power control unit coolant reservoir ( P. 4 8 7 ) Brake fluid reservoir (
P. 4 8 9 )
Fuse box ( P. 5 1 1 )
Radiator ( P. 4 8 9 )
Condenser ( P. 4 8 9 )
Electric cooling fans
Wa s h e r f l u i d t a n k ( P. 4 9 0 )1
2
3
4
5
6
7
8
9
10
Page 511 of 640
511
CT200h_OM_OM76215U_(U)7-3. Do-it-yourself maintenance
7
Maintenance and care
Checking and replacing fuses
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
Remove the lid.
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
Page 512 of 640
512
CT200h_OM_OM76215U_(U)7-3. Do-it-yourself maintenance
Remove the fuse.
Only type A fuse can be removed
using the pullout tool.
Check if the fuse is blown.
Normal fuse
Blown fuse
Replace the blown fuse with a new fuse of an appropriate amperage rating. The
amperage rating can be found on the fuse box lid.
3
4
1
2
Ty p e ATy p e B
Ty p e CTy p e D
Page 513 of 640

CT200h_OM_OM76215U_(U)
5137-3. Do-it-yourself maintenance
7
Maintenance and care
■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. 5 1 4 )
●If the replaced fuse blows again, have the vehicle inspected by your Lexus dealer.
■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 circui ts designed to prevent overload, nongenu-
ine parts or parts not designed for this vehicle may be unusable.
WA R N I N G
■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 rati ng 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 fu ses as there are high voltage parts and wiring near the
fuse box.
Doing so may cause electric shock, re sulting in death or serious injury.
NOTICE
■Before replacing fuses
Have the cause of electrical overload determ ined and repaired by your Lexus dealer as
soon as possible.
Page 564 of 640

564
CT200h_OM_OM76215U_(U)8-2. Steps to take in an emergency
If the hybrid system will not start
One of the following may be the cause of the problem:
●The electronic key may not be functioning properly.* (
P. 5 6 6 )
●There may not be sufficient fuel in the vehicle’s tank.
Refuel the vehicle. ( P. 7 3 )
●There may be a malfunction in the immobilizer system.* ( P. 76 )
●There may be a malfunction in the shift control system.* ( P. 161, 545)
●The hybrid system may be malfunctioni ng due to an electrical problem such
as electronic key battery depletion or a blown fuse. However, depending on
the type of malfunction, an interim meas ure is available to start the hybrid sys-
tem. ( P. 5 6 5 )
*: It may not be possible to shift the shift position other than P.
One of the following may be the cause of the problem:
●The 12-volt battery may be discharged. ( P. 5 6 8 )
●The 12-volt battery terminal connections may be loose or corroded.
(P. 4 9 1 )
Reasons for the hybrid system not starting vary depending on the situation.
Check the following and perform the appropriate procedure:
The hybrid system will not start ev en though the correct starting proce-
dure is being followed. ( P. 159)
The interior lights and headlights are dim, or the horn does not sound or
sounds at a low volume.
Page 569 of 640

5698-2. Steps to take in an emergency
CT200h_OM_OM76215U_(U)
8
When trouble arises
Connect the jumper cables according to the following procedure: Connect a positive jumper cable clamp to the exclusive jump starting ter-
minal on your vehicle.
Connect the clamp on the other end of the positive cable to the positive (+)
battery terminal on the second vehicle.
Connect a negative cable clamp to the negative (-) battery terminal on the
second vehicle.
Connect the clamp at the other end of the negative cable to a solid, station-
ary, unpainted metallic point away from the exclusive jump starting terminal
and any moving parts, as shown in the illustration.
Start the engine of the second vehicle. Increase the engine speed slightly and
maintain at that level for approximately 5 minutes to recharge the 12-volt bat-
tery of your vehicle.
Open and close any of the doors of your vehicle with the power switch off.
Maintain the engine speed of the second vehicle and start the hybrid system
of your vehicle by turning the power switch to ON mode.
Make sure the “READY” indicator comes on. If the indicator light does not
come on, contact your Lexus dealer.
Once the hybrid system has started, remove the jumper cables in the exact
reverse order from which they were connected.
Close the exclusive jump starting terminal cover, and reinstall the fuse box
cover to its original position.
Once the hybrid system starts, have th e vehicle inspected at your Lexus dealer
as soon as possible.4
1
2
3
4
5
6
7
8
9
10
Page 627 of 640

627Alphabetical index
CT200h_OM_OM76215U_(U)
EV indicator ............................................... 69
EV drive mode.........................................163
Event data recorder (EDR) ...................13
First-aid kit storage belt ..................... 438
Flat tire ...................................................... 555
Floor mats ................................................... 30
FluidBrake ....................................................... 583
Transmission........................................ 582
Washer .................................................. 490
Fog lights Replacing light bulbs ............. 519, 524
Switch........................................................ 175
Wattage ................................................. 585
Front passenger occupant classification system ............................ 49
Front passenger’s seat belt reminder light ..................................... 537
Front seats ................................................. 122 Adjustment .............................................. 122
Cleaning ................................................ 469
Correct driving posture .................... 32
Driving position memory ................ 126
Head restraints ..................................... 129
Seat heaters .......................................... 429
Seat position memory....................... 126
Front side marker lights Light switch ............................................. 172
Replacing light bulbs ........................524
Front turn signal lights Replacing light bulbs ............... 521, 521
Turn signal lever .................................. 170
Wattage ................................................. 585 Fuel
Capacity ................................................. 579
Fuel gauge ............................................... 86
Gas station information..................640
Information........................................... 586
Refueling ................................................. 186
Type.......................................................... 579
Fuel filler door.......................................... 186 Refueling ................................................. 186
When the fuel filler door cannot be opened .......................... 188
Fuses............................................................. 511
Gas station information ..................... 640
Gauges........................................................ 86
Glove box ................................................434
Hands-free system (for cellular phone)................288, 375
HD Radio
® system .............................. 347
Head restraints........................................ 129
Headlight cleaner ..................................185
Headlights ................................................. 172 Automatic headlight leveling ......... 174
Light switch............................................. 172
Replacing light bulbs ..................... 516, 517, 518, 524
Wattage ................................................ 585
Heated steering wheel .......................429
Heaters Automatic air conditioning system ........................................ 414, 422
Outside rear view mirrors .......................................418, 424
Seat heaters .......................................... 429
F
G
H