Page 464 of 611
462
4-3. Do-it-yourself maintenance
HS250h_U_75033U(Canada)Driver’s side instrument panel
FuseAmpereCircuit
1TA I L10 AParking lights, tail lights, license plate
lights, side maker lights, front fog lights
2PA N E L10 A
Navigation system, audio system, air
conditioning system, emergency
flashers switch, wiper de-icer switch,
seat heater switch, P position switch,
headlight cleaner switch, front pas-
senger’s seatbelt reminder light,
power window switch, VSC-OFF
switch, HUD switch, AFS-OFF switch,
POWER ·ECO· EV mode switch,
view select switch, trunk opener
switch, fuel lid opener switch, glove
box light, rear sun shade switch,
remote touch, rear view mirror switch
Page 467 of 611
465
4-3. Do-it-yourself maintenance
4
Maintenance and care
HS250h_U_75033U(Canada)
21RR FOG7. 5 ANo circuit
22FUEL OPN7. 5 ATrunk opener switch, fuel filler door
opener switch
23OBD7. 5 AOn-board diagnosis
24PWR SEAT FL30 ADriver’s side power seat
25FR FOG15 AFront fog lights
26PWR SEAT FR30 APassenger’s side power seat
27PSB30 APre-collision seat belts system
28WELCAB30 ANo circuit
29DOOR NO.125 APower door lock system
30SEAT HTR FL10 ADriver’s side seat heater
31SEAT HTR FR10 APassenger’s side seat heater
32RAD NO.27. 5 A
Navigation system, audio system, air
conditioning system, HUD, remote
touch
33PWR OUTLET15 APo w e r o u t l e t
34ECU-ACC10 ARear view mirror, air conditioning sys-
tem, audio system, navigation system
FuseAmpereCircuit
Page 478 of 611
476
4-3. Do-it-yourself maintenance
HS250h_U_75033U(Canada)Turn the bulb base counterclock-
wise.
Unplug the connector while
depressing the lock release.
■ Back-up lights
Open the trunk lid and remove the
cover.
Turn the bulb base counterclock-
wise.
Page 479 of 611
477
4-3. Do-it-yourself maintenance
4
Maintenance and care
HS250h_U_75033U(Canada)Remove the light bulb.
■ License plate lights
Open the trunk lid and remove the
cover, clips and partly remove the
cover.
Turn the bulb base counterclock-
wise.
Remove the light bulb.
Page 480 of 611
478
4-3. Do-it-yourself maintenance
HS250h_U_75033U(Canada)■
Rear turn signal lights
Open the trunk lid and remove the
cover.
To prevent damage to the rear
combination assembly, cover the
tip of the screwdriver with a rag.
Remove the bolts, stopper rubber
and rear combination assembly.
Turn the bulb base counterclock-
wise.
Remove the light bulb.
Page 497 of 611

5
When trouble arises
495
5-2. Steps to take in an emergency
HS250h_U_75033U(Canada)
Follow the correction procedures.After taking the specified steps to co rrect the suspected problem, check
that the warning light goes off.
Warning lightWarning light/DetailsCorrection procedure
Open door warning light
(warning buzzer)
*1
Indicates that a door or the
trunk is not fully closed.
Check that all the doors and
the trunk are closed.
Low fuel level warning light
Indicates remaining fuel is
approximately 2.2 gal. (8.3
L, 1.8 Imp. gal.) or less
Refuel the vehicle.
Driver’s seat belt reminder
light (warning buzzer)
*2
Warns the driver to fasten
his/her seat belt.Fasten the seat belt.
(On the center panel)
Front passenger’s seat belt
reminder light
(warning buzzer)
*2
Warns the front passenger to
fasten his/her seat belt.
Fasten the seat belt.
Master warning light
A buzzer sounds and the
warning light comes on and
flashes to indicate that the
master warning system has
detected a malfunction.
→ P. 5 0 1
Page 535 of 611
5
When trouble arises
533
5-2. Steps to take in an emergency
HS250h_U_75033U(Canada)
If the electronic key does not operate properly
Locking and unlocking the doors, unlocking the trunk and key linked functions
DoorsUse the mechanical key (→P. 39)
in order to perform the following
operations (driver’s door only):
Locks all the doors
Closes the windows and moon
roof (turn and hold)
*
Unlocks the door
Turning the key rearward unlocks
the driver's door. Turning the key
once again unlocks the other
doors.
Opens the windows and moon
roof (turn and hold)
*
*: This setting must be customized at your Lexus dealer.
If communication between the electronic key and vehicle is interrupted
(→ P. 49) or the electronic key canno t be used because the battery is
depleted, the smart access system with push-button start and wireless
remote control cannot be used. In such cases, the doors and trunk can be
opened and the hybrid system can be started by following the procedure
below.
Page 602 of 611

600
Alphabetical index
HS250h_U_75033U(Canada)
Odometer................................................. 162
OilEngine oil ............................................... 424
Opener
Fuel filler door......................................... 92
Hood..........................................................419
Trunk ........................................................... 60
OPEN CLOSE switch*
Outer foot lights Outer foot lights .................................360
Wattage................................................. 558
Outside rear view mirrors
Adjusting and folding ......................... 83
Driving position memory.................. 68
Mirror position memory ................... 68
Outside rear view mirror
defogger switch (vehicles
without navigation system) ............260
Outside rear view mirror defogger switch (vehicles
with navigation system)*
Outside temperature display............ 169
Overhead console ...............................370
Overheating, Engine............................ 541
Overheating, Hybrid system ............ 541
Parking brake .......................................... 160
Parking lights
Replacing light bulbs........................ 469
Switch ....................................................... 183
Wattage................................................. 558
PCS ............................................................ 232
Personal lights Personal lights .......................................361
Switch ........................................................361
Wattage................................................. 558 Power outlet ........................................... 374
Power switch ............................................145
Power windows ........................................ 86
Pre-collision system ............................ 232
Radar cruise control............................ 205
Radiator .................................................... 430
Radio......................................................... 265
Radio data system ................................ 267
RDS ............................................................ 267
Rear side marker lights
Replacing light bulbs ........................479
Wattage .................................................558
Rear sunshade ....................................... 378
Rear turn signal lights Replacing light bulbs ....................... 470
Wattage .................................................558
Rear view mirror
Compass ................................................. 391
Rear view monitor system*
Rear window defogger (vehicles without navigation system)............ 260
Rear window defogger (vehicles with navigation system)*
Remote Touch*
Replacing Electronic key battery ..................... 453
Fuses........................................................ 455
Light bulbs ............................................ 469
Tires............................................................ 521
Reporting safety defects for U.S. owners..........................................588
Safety connect ....................................... 395
Scuff lighting ........................................... 360O
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