2015 LEXUS RX450h heater

6394-1. Maintenance and care
4
Maintenance and care NOTICE■
Cleaning detergents ●
Do not use the following types of detergent, as they may discolor the vehicle inte-
rior or cause streaks or damage to painted surfaces:
• Non-seat portions: Organic substances such as benzene or gasoline, alkaline
or acidic solutions, dye, or bleach
• Seats: Acidic solutions, such as thinner, benzene, or alcohol●
Do not use polish wax or polish cleaner. The instrument panel's or other interior
part’s painted surface may be damaged.■
Preventing damage to leather surfaces
Observe the following precautions to avoid damage to and deterioration of leather
surfaces: ●
Remove any dust or dirt from leather surfaces immediately.●
Do not expose the vehicle to direct sunlight for extended pe riods of time. Park
the vehicle in the shade, especially during summer.●
Do not place items made of vinyl, plastic, or that contain wax on the upholstery, as
they may stick to the leather surface if th e vehicle interior heats up significantly.■
Water on the floor
Do not wash the vehicle floor with water.
Vehicle systems such as the audio syst em may be damaged if water comes into
contact with electrical components under the floor of vehicle. Water may also
cause the body to rust.■
Cleaning the inside of the rear window ●
Do not use glass cleaner to clean the re ar window, as this may cause damage to
the rear window defogger heater wires or antenna. Use a cloth dampened with
lukewarm water to gently wipe the window clean. Wipe the window in strokes
running parallel to the heater wires or antenna.
●
Be careful not to scratch or damage the heater wires or antenna.

6954-3. Do-it-yourself maintenance
4
Maintenance and care ■ Engine compartment (type B fuse box)
Fuse Ampere Circuit1
RR DEF 50 A Rear window defogger2
AIR SUS 50 A3
HEATER 50 A Air conditioning system4
ABS NO. 1 50 A Electronically controlled brake system5
RDI FAN NO. 1 40 A Electric cooling fans6
RDI FAN NO. 2 40 A Electric cooling fans7
H-LP CLN 30 A Headlight cleaner8
PBD 30 A Power back door9
HV R/B NO. 1 30 A PCU, IGCT NO. 2, IGCT NO. 3,
INV W/P
10
PD 50 A A/F, H-LP RH HI, H-LP LH LO, H-LP
RH LO, H-LP LH HI, HORN, S-
HORN
11
ABS NO. 2 50 A Electronically controlled brake system
12
HV R/B NO. 2 80 A ABS MAIN NO. 1, ABS MAIN NO.
2, A/C W/P, BATT FAN, OIL PMP

6964-3. Do-it-yourself maintenance
13
DCDC 150 A IG1 MAIN, TOWING BATT,
DEICER, TOWING, STOP, RDI FAN
NO. 1, ABS NO. 1, RR DEF, AIR SUS,
HEATER, RDI FAN NO. 2, H-LP
CLN, PBD, ECU-IG1 NO. 1, ECU-
IG1 NO. 3, GAUGE NO. 1, ECU-IG1
NO. 2, EPS, FR WIP, RR WIP, FR
WASH, RR WASH, RH S-HTR, LH S-
HTR, TAIL, PANEL, D/L ALT B, FR
FOG, FR DOOR, FL DOOR, RR
DOOR, RL DOOR, PSB, P-SEAT LH,
P-SEAT RH, TI&TE, FUEL OPN, DR
LOCK, OBD, RR FOG, S/ROOF,
4WD, INVERTER, ECU-ACC, P/
POINT, CIG, RADIO NO. 214
AMP1 30 A Audio system15
EFI MAIN 30 A Multiport fuel injection system/
sequential multiport fuel injection sys-
tem, EFI NO. 1, EFI NO. 2, F/PMP16
AMP2 30 A Audio system17
IG2 MAIN 30 A IGN, GAUGE NO. 2, ECU IG218
IP J/B 25 A Power door lock system19
STR LOCK 20 A Starter system20
RAD NO. 3 15 A Meters and gauges, navigation sys-
tem, audio system21
HAZ 15 A Emergency flashers
22
ETCS 10 A Multiport fuel injection system/
sequential multiport fuel injection sys-
tem
23
RAD NO. 1 10 A Audio system, navigation systemFuse Ampere Circuit

7004-3. Do-it-yourself maintenance
■ Driver’s side instrument panel
Fuse Ampere Circuit1
P/ P O I N T 15 A Po w e r o u t l e t2
ECU-ACC 10 A Navigation system, air conditioning
system, audio system, multiplex com-
munication system, multi-information
display, head-up display3
CIG 15 A Po w e r o u t l e t4
RADIO NO. 2 7. 5 A Audio system, navigation system
5
GAUGE NO. 1 10 A Emergency flashers, navigation sys-
tem, head-up display, air conditioning
system, Vehicle Proximity Notification
System, audio system
6
ECU-IG1 NO. 3 10 A Outside rear view mirror, windshield
wipers and washer, seat heaters,
starter system, power outlet, moon
roof, air conditioning system

7024-3. Do-it-yourself maintenance
22
TA I L 10 A Parking lights, front side marker lights,
tail lights, license pl ate lights, front fog
lights, towing converter23
AIR SUS 20 A24
P-S E AT R H 30 A Power seat (right-side)25
OBD 7. 5 A On-board diagnosis26
FR DOOR 25 A Front power window (right-side), out-
side rear view mirror27
RR DOOR 25 A Rear power window (right-side)28
FL DOOR 25 A Front power window (left-side), out-
side rear view mirror29
RL DOOR 25 A Rear power window (left-side)30
FR WASH 25 A Windshield wipers and washer31
RR WIP 15 A Windshield wipers and washer32
RR WASH 20 A Windshield wipers and washer33
FR WIP 30 A Windshield wipers and washer
34
ECU IG2 10 A Multiport fuel injection system/
sequential multiport fuel injection sys-
tem, front passenger occupant classi-
fication system, SRS airbag system,
stop lights, electronically controlled
brake system, steering lock system,
hybrid system35
GAUGE NO. 2 7. 5 A Gauge and meters36
RH S-HTR 15 A Seat heater (right-side)
37
LH S-HTR 15 A Seat heater (left-side)Fuse Ampere Circuit

8196-1. Specifications
6
Vehicle specifications Glossary of tire terminology Tire related term Meaning
Cold tire inflation pres-
sure Tire pressure when the vehicle has been parked for
three hours or more, or has not been driven more
than 1 mile or 1.5 km under that condition
Maximum inflation pres-
sure The maximum cold inflated pressure to which a tire
may be inflated, shown on the sidewall of the tire
Recommended inflation
pressure Cold tire inflation pressure recommended by a man-
ufacturer
Accessory weight The combined weight (in excess of those standard
items which may be replaced) of hybrid transmission,
power steering, power brakes, power windows,
power seats, radio and heater, to the extent that these
items are available as factory-installed equipment
(whether installed or not)
Curb weight The weight of a motor vehicle with standard equip-
ment, including the maximum capacity of fuel, oil and
coolant, and if so equipp ed, air conditioning and
additional weight optional engine
Maximum loaded vehicle
weight The sum of:
(a) Curb weight
(b) Accessory weight
(c) Vehicle capacity weight
(d) Production options weight
Normal occupant weight 150 lb. (68 kg) times the number of occupants speci-
fied in the second column of Table 1
* that follows

862Alphabetical index
Card key ....................................................... 51
Care
Exterior ................................................... 634
Interior ..................................................... 637
Seat belts................................................638
Cargo capacity ....................................... 301
Cargo hooks ............................................ 612
CD changer
CD ...............................................380, 485
MP3 .............................................. 381, 493
WMA disc.................................. 381, 493
CD player ................................... 380, 485
Chains .......................................................302
Child restraint system
Booster seats, definition .................. 150
Booster seats, installation ................154
Convertible seats, definition ......... 150
Convertible seats, installation........154
Front passenger occupant
classification system........................145
Infant seats, definition........................ 150
Infant seats, installation ......................154
Installing CRS with LATCH
system ................................................... 155
Installing CRS with seat belts......... 157
Installing CRS with top tether
straps ....................................................... 161
Child safety
Airbag precautions............................ 140
Back door prec autions......................80
Child restraint system....................... 150
Child-protectors ....................................73
How your child should wear
the seat belt .......................................... 101
Installing child restraints ...................154 Moon roof precautions ......................118
Power window lock switch .............. 112
Power window precautions............. 114
Removed electron ic key battery
precautions .......................................688
Seat belt extender precautions .... 104
Seat belt precautions......................... 102
Seat heater precautions................. 605
12-volt battery
precautions ...........................668, 784
Child-protectors...................................... 73
Cleaning
Exterior ................................................... 634
Interior......................................................637
Seat belts ............................................... 638
Clock* ....................................................... 597
Coat hooks..............................................608
Coin holder ............................................. 592
Compass .................................................. 622
Condenser ................................................661
Console box ...........................................590
Coolant
Engine coolant.................................... 659
Power control unit coolant........... 659
Cooling system
Hybrid system ov erheating.......... 788
Cornering assist sensors ................... 248
Cruise control
Cruise control ...................................... 232
Dynamic radar cruise control ......236
Cup holders ............................................588
Curtain shield airbags ..........................132
Customizable features ....................... 825C

865Alphabetical index
Fuel
Capacity................................................ 800
Fuel gauge .............................................. 197
Information............................................. 810
Refueling ....................................................119
Type........................................................... 810
Fuel consumption.....................................45
Fuel door..................................................... 119
Fuel filler door........................................... 119
Fuses.......................................................... 689
Garage door opener............................ 616
Gauges....................................................... 197
Glove box ............................................... 586
Hands-free system for
mobile phone* ........................ 429, 547
Hazard lights
Switch ......................................................724
Head restraints
Adjustment ..............................................97
Headlight aim .........................................706
Headlight cleaner .................................. 231
Headlights
Discharge headlight
precautions ........................................ 722
Replacing light bulbs ....................... 708
Switch ........................................................ 217
Wattage ................................................ 809
Head-up display
Display contrast adjustment
switch ..................................................... 212
Display position adjustment
switch ..................................................... 212
Head-up display main switch ....... 212 Heaters
Seat heaters ......................................... 605
Side mirrors* ....................................... 358
Steering wheel.................................... 604
Hill-start assist control ........................ 276
Hood ........................................................... 651
Hooks
Cargo ........................................................612
Coat......................................................... 608
Horn ............................................................ 196
HUD
Display contrast adjustment
switch...................................................... 212
Display position adjustment
switch...................................................... 212
Head-up display main switch ........212
Hybrid system
Emergency shut off system.............. 35
Energy monitor/consumption
screen...................................................... 39
High voltage components ............... 34
Hybrid system indicator .................. 201
“POWER” switch................................. 177
Vehicle Proximity Notification
System.......................................................31
Hybrid transmission
Hybrid transmission........................... 186
If the shift lever cannot be
shifted from P ................................... 779
S mode ..................................................... 190G
H
*: For vehicles with a navigation system, refer to the “Navigation System Owner’s Manual”.