Page 720 of 908

720
ES350 300h_OM_OM33A01U_(U)
6-3. Do-it-yourself maintenance
■Driver’s side instrument panel
FuseAmpereCircuit
1ECU-IG1 NO.210
Main body ECU, audio system, shift lock sys-
tem, outside mirror control ECU, tension
reducer, windshield wipers, heated steering
wheel, multi-information display, audio dis-
play, intuitive parking assist, tire pressure
warning system, moon roof, auto anti-glare
inside rear view mirror, raindrop sensor, rear
sunshade, wireless door lock system, power
trunk opener and closer ECU
2ECU-IG1 NO.110
FAN, DEICER, VSC, ABS, charging system,
steering sensor, electronic controlled trans-
mission, electric power steering, gateway
ECU, electric tilt and telescopic steering col-
umn
3PA N E L N O. 25Clock
4TA I L15Parking lights, side marker lights, license
plate lights
5DOOR F/R20Power window, outside mirror control ECU
6DOOR R/R20Po w e r w i n d o w
7DOOR F/L20Power window, outside mirror control ECU
8DOOR R/L20Po w e r w i n d o w
9H-LP LVL7. 5Automatic headlight leveling system
10WA S H E R10Windshield washer
11A/C-IG17. 5Air conditioning system, PTC heater, gauges
and meters, seat heaters and ventilators
Page 721 of 908

ES350 300h_OM_OM33A01U_(U)
7216-3. Do-it-yourself maintenance
6
Maintenance and care
12WIPER25Windshield wipers
13BKUP LP7. 5
Multiport fuel injection system, sequential
multiport fuel system, electronic controlled
transmission, audio system, navigation sys-
tem, back-up lights
14FUEL OPN10Fuel filler door opener
15EPS-IG110Electric power steering
16P/O U T L E T R R15Po w e r o u t l e t
17RADIO-ACC5Audio system, Remote Touch, multi-informa-
tion display, audio display, navigation system
18S/HTR&FAN F/R10Seat heaters and ventilators
19S/HTR&FAN F/L10Seat heaters and ventilators
20OBD7. 5On-Board diagnosis system
21ECU-B NO.210
Power window master switch, air condition-
ing system, smart access system with push-
button start, tire pressure warning system,
rear sunshade
22STRG HTR10Heated steering wheel
23PTL25Power trunk opener and closer ECU
24STOP7. 5
Power management system, multiport fuel
injection system, sequential multiport fuel
system, VSC, ABS, electronic controlled
transmission, driver support system, engine
room junction block assy, tail lights, high
mounted stoplight, smart access system with
push-button start, shift lock system
25P/ S E AT F/ L30Po w e r s e a t s
26A/C-B7. 5Air conditioning system
27S/ROOF10Moon roof
28P/ S E AT F/ R30Po w e r s e a t s
29PSB30Pre-collision seat belt
30D/L-AM120Main body ECU
FuseAmpereCircuit
Page 734 of 908
734
ES350 300h_OM_OM33A01U_(U)
6-3. Do-it-yourself maintenance
■Rear turn signal lightsOpen the trunk lid and remove
the cover.
Turn the bulb base counter-
clockwise.
Remove the light bulb.
When installing, reverse the steps listed.
1
2
3
4
Page 735 of 908
ES350 300h_OM_OM33A01U_(U)
7356-3. Do-it-yourself maintenance
6
Maintenance and care
■Back-up lightsOpen the trunk lid.
For the left side (vehicles with
power trunk opener and closer
only): Pry out each side of the
trunk closer switch in turn by
inserting a screwdriver into the
base.
To prevent damage, cover the tip of
the screwdriver with a rag.
Remove the clips on whichever
side you are replacing and
open the cover of the trunk lid.
Turn the bulb base counter-
clockwise.
When installing, pass the wire
around the connector rib and make
sure that it does not rest on top of
the connector rib.
Remove the light bulb.
When installing, reverse the steps listed.
1
2
3
Connector rib
4
5
6
Page 754 of 908
7547-2. Steps to take in an emergency
ES350 300h_OM_OM33A01U_(U)
After taking the specified steps to correct the suspected problem, check
that the warning light goes off.
Follow the correction procedures.
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 2.6 gal. (9.7 L,
2.1 Imp.gal.)
Refuel the vehicle.
Seat belt reminder light (warn-
ing buzzer)
*2
Warns the driver and/or front
passenger to fasten their seat
belts
Fasten the seat belt. If the front passenger’s seat is
occupied, the front passen-
ger’s seat belt also needs to
be fastened to make the
warning light (warning
buzzer) off.
Master warning lightA buzzer sounds and the
warning light comes on and
flashes to indicate that the
master warning system has
detected a malfunction.
P. 76 1
Page 767 of 908
7677-2. Steps to take in an emergency
ES350 300h_OM_OM33A01U_(U)
7
When trouble arises
Indicates that the trunk is
not fully closedIf the vehicle reaches a
speed of 3 mph (5
km/h), flashes
and a buzzer sounds
to indicate that the
trunk is not yet fully
closed.
Close the trunk.
Indicates that the win-
dows are not fully closed
(with the “START STOP
ENGINE” <“POWER”>
switch off, and the driver’s
door open)
Close all the windows.
Indicates that the moon
roof is not fully closed
(with the “START STOP
ENGINE” <“POWER”>
switch off, and the driver’s
door open)
Close the moon roof.
Indicates that the win-
dows and the moon roof
are not fully closed (with
the “START STOP
ENGINE” <“POWER”>
switch off, and the driver’s
door open)
Close all the windows
and the moon roof.
Wa r n i n g m e s s a g eDetailsCorrection procedure
(Flashes)
(Flashes)
(Flashes)
Page 802 of 908
802
ES350 300h_OM_OM33A01U_(U)
7-2. Steps to take in an emergency
If the electronic key does not operate properly
■Doors
Use the mechanical key
(P. 120) in order to perform
the following operations:
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 within 5 seconds
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 ele ctronic key and vehicle is inter-
rupted ( P. 130) or the electronic key cannot be used because the
battery is depleted, the smart access system with push-button start and
wireless remote control cannot be us ed. In such cases, the doors and
trunk can be opened and the engine can be started by
following the procedure below.
Locking and unlocking the doors, unlocking the trunk and key
linked functions
1
2
3
4
Page 803 of 908
8037-2. Steps to take in an emergency
ES350 300h_OM_OM33A01U_(U)
7
When trouble arises
■Trunk
Turn the mechanical key clock-
wise to open.
Ensure that the shift lever is in P and depress the brake pedal.
Touch the Lexus emblem side of
the electronic key to the “START
STOP ENGINE” <“POWER”>
switch.
The “START STOP ENGINE”
<“POWER”> switch will turn to IGNI-
TION ON mode.
When the smart access system with
push-button start is deactivated in
customization setting, the “START
STOP ENGINE” <“POWER”> switch
will turn to ACCESSORY mode.
Firmly depress the brake pedal and check that is shown on the
multi-information display.
Press the “START STOP ENGINE” <“POWER”> switch.
In the event that the engine still cannot be started, contact
your Lexus dealer.
Starting the engine
1
2
3
4