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474
4-3. Do-it-yourself maintenance
HS250h_U_75050U
23DOOR NO.225 APower door lock system
24P/ I 160 AIG2, EFI MAIN, BATT FAN
25EPS60 AElectric power steering system
26PCU10 AHybrid system
27IGCT NO.210 A
Smart access system with push-button
start, hybrid system, P position control
system, multiport fuel injection sys-
tem/sequential multiport fuel injection
system
28MIR HTR10 ARear window defogger, mirror heater
29RAD NO.115 AAudio system, navigation system
30DOME10 A
Interior lights, antiglare inside rear
view mirror, audio system, navigation
system, garage door opener
31ECU-B7. 5 A
Smart access system with push-button
start, air conditioning system, gauges
and meters, outside rear view mirror,
clock, seats position memory, electric
tilt & telescopic steering wheel
32H-LP LH HI10 ALeft-hand headlight (high beam)
33H-LP RH HI10 ARight-hand headlight (high beam)
34EFI NO. 210 A
Multiport fuel injection system/
sequential multiport fuel injection sys-
tem
35IGCT NO.310 AHybrid system
FuseAmpereCircuit
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476
4-3. Do-it-yourself maintenance
HS250h_U_75050UDriver’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 seat belt reminder light,
power window switch, VSC-OFF
switch, HUD switch, AFS-OFF switch,
POWER ·ECO MODE switch, EV
mode switch, view select switch, trunk
opener switch, fuel lid opener switch,
glove box light, rear sunshade switch,
remote touch, rear view mirror switch
Page 480 of 630
479
4-3. Do-it-yourself maintenance
4
Maintenance and care
HS250h_U_75050U
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
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481
4-3. Do-it-yourself maintenance
4
Maintenance and care
HS250h_U_75050U
Light bulbs
You may replace the following bulbs by yourself. The difficulty level of
replacement varies depending on the bulb. If necessary bulb replacement
seems difficult to perform, contact your Lexus dealer.
For more information about replacing other light bulbs, contact your Lexus
dealer.
■ Preparing for light bulb replacement
Check the wattage of the light bulb to be replaced. ( →P. 568)
■ Remove the engine compartment covers
→ P. 4 3 8
■ Front bulb locations
Halogen headlights
Front side marker light Headlight low beam
Parking light
Front turn signal light
Front fog lightHeadlight high beam
and daytime running light
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482
4-3. Do-it-yourself maintenance
HS250h_U_75050U
LED headlights
■Rear bulb locations
Front fog light
Front turn signal light
Parking lightFront side marker light
Headlight high beam and
daytime running light
Rear turn signal light
Back-up light
License plate light
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487
4-3. Do-it-yourself maintenance
4
Maintenance and care
HS250h_U_75050U■
Front side marker lights (LED headlights)
Turn the bulb base counterclock-
wise.
Remove the light bulb.
■ Front fog lights
Remove the fender liner bolts, clip
and remove the fender liner.
Removing the clip
Installing the clip
Page 569 of 630
568
6-1. Specifications
HS250h_U_75050U
Light bulbs
A: HB3 halogen bulbs
B: Double end bulbs
C: Wedge base bulbs (clear)
D: Wedge base bulbs (amber)
E: H11 halogen bulbs
F: Single end bulbs
Light BulbsBulb No.WTy p e
Exterior
LED headlights
High beam
Halogen headlights
High beam
Low beam
9005
9005
H1160
6055A
A E
Front side marker lightsW5W5C
Front turn signal lights3457NA28 /8F
Parking lightsW5W5C
Front fog lightsH1155E
Rear turn signal lightsWY21W21D
Back-up lightsW16W16C
License plate lightsW5W5C
Outer foot lights5C
Interior
Vanity lights8C
Front interior lights/Personal lights8C
Rear interior light8B
Tr u n k l i g h t3.8C
Door courtesy lights5C
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591
6-2. Customization
6
Vehicle specifications
HS250h_U_75050U
Automatic
air condi-
tioning sys-
tem
(→ P. 2 6 6 )A/C Auto switch
operationAutoManualO——O
Tu r n i n g o n t h e
windshield
defogger acti-
vates the A/C
OnOff———O
Eco drive
mode
(
→P. 1 6 2 )
Heating/cooling
operation mini-
mized in Eco
drive mode
OnOff———O
Front seats
(
→P. 6 8 )
Driver’s seat
movement when
exiting the vehi-
cle (on some
models)
Pa r t i a l
Off
O—OO
Full
Eco Driving
Indicator
Light
(
→P. 1 7 7 )
Activating Eco
Driving Indica-
tor Light
OnOff—OOO
Po w e r w i n -
dows
(
→P. 9 0 )
Mechanical key
linked operationOffOn———O
Wireless remote
control linked
operation
Off
On
(Open only)
———O
Buzzer sounds if
operated using
wireless remote
OnOff———O
ItemFunctionDefault settingCustom-
ized
setting