2015 LEXUS RX450h fuses

TABLE OF CONTENTS Index
64-1. Maintenance and care
Cleaning and protecting
the vehicle exterior................... 634
Cleaning and protecting
the vehicle interior .................... 637
4-2. Maintenance
Maintenance requirements .... 640
General maintenance ................ 643
Emission inspection and
maintenance (I/M)
programs ...................................... 647
4-3. Do-it-yourself maintenance
Do-it-yourself service
precautions ................................. 648
Hood................................................... 651
Positioning a floor jack............... 652
Engine compartment.................. 654
12-volt battery................................ 664
Tires ................................................... 670
Tire inflation pressure ................. 679
Wheels............................................. 683
Air conditioning filter ................. 685
Electronic key battery ................ 687
Checking and replacing
fuses ............................................... 689
Headlight aim................................. 705
Light bulbs ...................................... 708 5-1. Essential information
Emergency flashers..................... 724
If your vehicle needs to be
towed.............................................. 725
If you think something is
wrong ............................................. 732
5-2. Steps to take in an emergency
If a warning light turns on
or a warning buzzer
sounds... ........................................ 733
If a warning message is
displayed ....................................... 743
If you have a flat tire..................... 764
If the hybrid system will not
start ................................................. 777
If the shift lever cannot be
shifted from P .............................. 779
If you lose your keys ................... 780
If the electronic key does
not operate properly ................ 781
If the vehicle 12-volt battery
is discharged ............................... 784
If your vehicle overheats .......... 788
If the vehicle becomes
stuck................................................ 793
If your vehicle has to be
stopped in an em ergency ...... 7954
Maintenance and care 5
When trouble arises

5533-4. Using the audio system
3
Interior features ■ Steering wheel switches
Vo l u m e
During an incoming call:
Adjusts the ring tone volume
During an ongoing call:
Adjusts the receiver volume The voice guidance volume can-
not be adjusted using this but-
ton.
Off-hook switch
Turns the hands-free system
on/starts a call
On-hook switch
Turns the hands-free system
off/ends a call/refuses a call
Talk switch
Turns the voice command
system on (press)/turns the
voice command system off
(press and hold)
■ Microphone

Maintenance and care
4
6334-1. Maintenance and care
Cleaning and protecting
the vehicle exterior............. 634
Cleaning and protecting
the vehicle interior .............. 637
4-2. Maintenance
Maintenance
requirements ........................ 640
General maintenance .......... 643
Emission inspection and
maintenance (I/M)
programs................................ 647 4-3. Do-it-yourself
maintenance
Do-it-yourself service
precautions ........................... 648
Hood ........................................... 651
Positioning a floor jack ......... 652
Engine compartment ........... 654
12-volt battery ........................ 664
Tires............................................. 670
Tire inflation pressure............ 679
Wheels ...................................... 683
Air conditioning filter ........... 685
Electronic key battery.......... 687
Checking and replacing
fuses ........................................ 689
Headlight aim ......................... 705
Light bulbs ................................ 708

6494-3. Do-it-yourself maintenance
4
Maintenance and care Items Pa r t s a n d t o o l s
Engine oil level (  P. 6 5 6 ) • “Toyota Genuine Motor Oil” or
equivalent
•Rag or paper towel
• Funnel (used only for adding
engine oil)
Fuses (  P. 6 8 9 ) • Fuse with same amperage rating as
original
Tire inflation pressure (  P. 6 7 9 ) • Tire pressure gauge
• Compressed air source
Headlight aim (  P. 7 0 5 ) • Phillips-head screwdriver
Radiator and condenser (  P. 6 6 1 )

Wa s h e r f l u i d (  P. 663) • Water or washer fluid containing
antifreeze (for winter use)
• Funnel (used only for adding water
or washer fluid)

6894-3. Do-it-yourself maintenance
4
Maintenance and care Checking and replacing fuses If any of the electrical components do not operate, a fuse may have blown.
If this happens, check and re place the fuses as necessary.
Turn the “POWER” switch off.
After a system failure, see “Fuse layout and amperage ratings”
for details about which fuse to check. (  P. 694)
Engine compartment:
To gain access to the fuse box, remove the engine compart-
ment cover. (  P. 655)
Luggage compartment:
To gain access to the fuse box, secure the deck board with
the hook and then remove th e spare tire cover and 12-volt
battery cover. (  P. 664)
Open the fuse box cover.
Engine compartment (type A fuse box)
Push the tab in and lift the lid off.
Engine compartment (type B fuse box)
Push the tab in and lift the lid off.STEP 1
STEP 2
STEP 3
STEP 4

7044-3. Do-it-yourself maintenance
■
After a fuse is replaced ●
If the lights do not turn on even afte r the fuse has been replaced, a bulb may
need replacement. (  P. 7 0 8 )●
If the replaced fuse blows again, have the vehicle inspected by your Lexus
dealer.■
If there is an overload in the circuit
The fuses are designed to blow, protecting the wiring harness from damage.
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 in dicated, 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.
NOTICE■
Before replacing fuses
Have the cause of electrical overload determined and repaired by your Lexus
dealer as soon as possible.

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”.

868Alphabetical index
Parking assist sensors* .......................248
Parking brake .......................................... 195
Parking lights
Replacing light bulbs........................708
Switch ........................................................ 217
PCS
Function .................................................. 278
Pre-collision braking off
switch ................................................... 279
Warning light ....................................... 734
Personal lights
Switch ......................................................583
Phone*........................................... 429, 552
Power back door ..................................... 75
Power control unit coolant
Capacity ................................................ 804
Checking ...............................................659
Preparing and checking
before winter .................................... 302
Power easy access system................... 95
Power outlet............................................. 601
“POWER” switch.................................... 177
Power windows ........................................ 112
Pre-collision system
Function .................................................. 278
Pre-collision braking off
switch ................................................... 279
Warning light ....................................... 734 Radar cruise control............................ 236
Radiator ......................................................661
Radio* ............................................ 365, 477
Rear seat entert ainment system*
Rear seats
Folding down ......................................... 89
Seat adjustment..................................... 89
Rear turn signal lights
Replacing light bulbs ....................... 708
Wattage .................................................809
Rear view mirror
Compass ................................................622
Inside rear view mirror ..................... 107
Outside rear view mirrors ..............109
Rear view monitor
system* ...................................... 258, 266
Rear window defogger* ....................358
Rear window wiper.............................. 229
Remote Touch*
Replacing
Electronic key battery ..................... 687
Fuses ........................................................ 689
Light bulbs ............................................ 708
Tires...........................................................764
Wireless remote control
battery ................................................. 687
Reporting safety defects for
U.S. owners..........................................840
Reset the maintenance data ..............641
Roof luggage carrier........................... 296P R