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488
ES300h_OM_OM33B71U_(U)7-3. Do-it-yourself maintenance
■Back-up lights
Open 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 counterclock-
wise.
When installing, pass the wire around
the connector rib and make sure that
it does not rest on top of the connec-
tor rib.
Remove the light bulb.
When installing, reverse the steps listed.
1
2
3
Connector rib
4
5
6
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ES300h_OM_OM33B71U_(U)
4897-3. Do-it-yourself maintenance
7
Maintenance and care
■Replacing the following bulbs
If any of the lights listed below has burnt out, have it replaced by your Lexus
dealer.
●Headlight low beams
●Headlight high beams (LED type)
●Parking lights/daytime running lights
●Side turn signal lights
●Fog lights
●Stop/tail lights
●High mounted stoplight
●License plate lights
●Outer foot lights
■LED lights
The headlight low beams, headlight high beams (LED type), parking lights/daytime run-
ning lights, fog lights, side turn signal lights, stop/tail lights, rear side marker lights, high
mounted stoplight and license plate lights cons ist of a number of LEDs. If any of the LEDs
burn out, take your vehicle to your Le xus dealer to have the light replaced.
■Condensation build-up on the inside of the lens
Temporary condensation build-up on the inside of the headlight lens does not indicate a
malfunction. Contact your Lexus dealer for mo re information in the following situations:
●Large drops of water have built up on the inside of the lens.
●Wa t e r h a s b u i l t u p i nside the headlight.
■When replacing light bulbs
P. 4 7 9
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ES300h_OM_OM33B71U_(U)7-3. Do-it-yourself maintenance
WA R N I N G
■Replacing light bulbs
●Turn off the lights. Do not attempt to replace the bulb immediately after turning off the
lights.
The bulbs become very hot and may cause burns.
●Do not touch the glass portion of the light bulb with bare hands. When it is unavoid-
able to hold the glass portion, use and ho
ld with a clean dry cloth to avoid getting
moisture and oils on the bulb.
Also, if the bulb is scratched or dropped, it may blow out or crack.
●Fully install light bulbs and any parts used to secure them. Failure to do so may result
in heat damage, fire, or water entering the headlight unit. This may damage the head-
lights or cause condensation to build up on the lens.
■To prevent damage or fire
●Make sure bulbs are fully seated and locked.
●Check the wattage of the bulb before installin g to prevent heat damage.
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ES300h_OM_OM33B71U_(U)
8When trouble arises
8-1. Essential informationEmergency flashers .................. 492
If your vehicle has to be stopped in an emergency .... 493
8-2. Steps to take in an emergency If your vehicle needs to be towed ................................ 494
If you think something is wrong ................ 498
If a warning light turns on or a warning buzzer sounds ..... 499
If a warning message is displayed ............................... 505
If you have a flat tire.................. 508
If the hybrid system will not start ................................................ 518
If the shift lever cannot be shifted from P ..................... 520
If the electronic key does not operate properly .......................521
If the 12-volt battery is discharged ................................. 523
If your vehicle overheats ......... 527
If the vehicle becomes stuck .............................................. 531
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492
ES300h_OM_OM33B71U_(U)8-1. Essential information
Emergency flashers
Press the switch.
All the turn signal lights will flash.
To turn them off, press the switch once
again.
■Emergency flashers
If the emergency flashers are used for a long time while the hybrid system is not operat-
ing (while the “READY” indicator is not illumi
nated), the 12-volt battery may discharge.
The emergency flashers are used to warn other drivers when the vehicle has
to be stopped in the road due to a breakdown, etc.
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ES300h_OM_OM33B71U_(U)8-2. Steps to take in an emergency
8
When trouble arises
If a warning light turns on or a warning buzzer
sounds
Calmly perform the following actions if any of the warning lights comes on or
flashes. If a light comes on or flashes, bu
t then goes off, this does not necessar-
ily indicate a malfunction in the system. However, if this continues to occur,
have the vehicle inspected by your Lexus dealer.
Warning light and warning buzzer list
Warning lightWarning light/Details/Actions
(U.S.A.)
(Canada)
Brake system warning light (red indicator) and warning buzzer Indicates that:
• The brake fluid level is low; or
• The brake system is malfunctioning
Immediately stop the vehicle in a safe place and contact your
Lexus dealer. Continuing to drive the vehicle may be dangerous.
Brake system warning light (yellow indicator)
Indicates a malfunction in:
• The regenerative brake system; or
• The electronically controlled brake system
Have the vehicle inspected by your Lexus dealer immediately.
(U.S.A.)
(Canada)
Malfunction indicator lamp Indicates a malfunction in:
• The hybrid system;
• The electronic engine control system;
• The electronic throttle control system; or
• The electronic hybrid transmission control system
Have the vehicle inspected by your Lexus dealer immediately.
SRS warning light
Indicates a malfunction in:
• The SRS airbag system;
• The front passenger occupant classification system; or
• The seat belt pretensioner system
Have the vehicle inspected by your Lexus dealer immediately.
(U.S.A.)
(Canada)
ABS warning light Indicates a malfunction in:
• The ABS; or
• The brake assist system
Have the vehicle inspected by your Lexus dealer immediately.
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5008-2. Steps to take in an emergency
ES300h_OM_OM33B71U_(U)
Electric power steering system warning light (warning buzzer)Indicates a malfunction in the EP S (Electric Power Steering) sys-
tem
Have the vehicle inspected by your Lexus dealer immediately.
(Flashes)
(If equipped)
PCS warning light Indicates a malfunction in the pre-collision system
The warning light will operate as follows, even when the system is
not malfunctioning:
• The light will come on when the TRAC and VSC systems are
turned off. ( P. 2 74 )
• The light will come on when the pre-collision braking is disabled.
( P. 2 0 4 )
• The light will flash when the system cannot temporarily be used. ( P. 212)
Have the vehicle inspected by your Lexus dealer immediately.
Slip indicator light
Indicates a malfunction in:
• The VSC system;
•The TRAC system; or
• The hill-start assist control system
Have the vehicle inspected by your Lexus dealer immediately.
The light will flash when the ABS, VSC or TRAC is operating.
Low fuel level warning light
Indicates that remaining fuel is approximately 2.6 gal. (9.7 L,
2.1 Imp.gal.) or less
Refuel the vehicle.
Seat belt reminder light (warning buzzer)*
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 passenger’s
seat belt also needs to be fa stened to make the warning light
(warning buzzer) turn off.
Master warning light A buzzer sounds and the warning light comes on and flashes to
indicate that the master warning system has detected a malfunc-
tion.
P. 5 0 5
Warning lightWarning light/Details/Actions
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5018-2. Steps to take in an emergency
ES300h_OM_OM33B71U_(U)
8
When trouble arises
*: Driver’s and front passenger’s seat belt warning buzzer: The driver’s seat belt warning buzzer sounds to alert the driver that his or her seat belt
is not fastened. Once the power switch is turned to ON mode, the buzzer sounds for
6 seconds. If the vehicle reaches a speed of 12 mph (20 km/h), the buzzer sounds
once. If the seat belt is stil l unfastened after 30 seconds, the buzzer will sound inter-
mittently for 10 seconds. Then, if the seat be lt is still unfastened, the buzzer will sound
in a different tone for 20 more seconds.
The front passenger’s seat be lt warning buzzer sounds to alert the front passenger
that his or her seat belt is not fastened. The buzzer sounds once if the vehicle reaches
a speed of 12 mph (20 km/h). If the seat be lt is still unfastened after 30 seconds, the
buzzer will sound intermittently for 10 seconds. Then, if the seat belt is still unfastened,
the buzzer will sound in a different tone for 20 more seconds.
■SRS warning light
This warning light system monitors the airbag sensor assembly, front impact sensors, side
impact sensors (front door), side impact sensors (front), side impact sensors (rear),
driver’s seat position sensor, driver’s seat belt buckle switch, front passenger occupant
classification system (ECU and sensors), “A IR BAG ON” indicator light, “AIR BAG OFF”
indicator light, front passenger’s seat belt bu ckle switch, seat belt pretensioner assem-
blies, airbags, interconnecting wiring and power sources.
( P. 3 8 )
■Front passenger detection sensor, seat belt reminder and warning buzzer
●If luggage is placed on the front passenger seat, the front passenger detection sensor
may cause the warning light to flash and the warning buzzer to sound even if a passen-
ger is not sittin g in the seat.
●If a cushion is placed on th e seat, the sensor may not detect a passenger, and the warn-
ing light may not operate properly.
Tire pressure warning light When the light comes on:
Low tire inflation pressure such as
• Natural causes ( P. 5 0 2 )
•Flat tire ( P. 5 0 8 )
Adjust the tire inflation pressure to the specified level.
The light will turn off after a fe w minutes. In case the light does
not turn off even if the tire inflation pressure is adjusted, have the
system checked by your Lexus dealer.
When the light comes on after blinking for 1 minute:
Malfunction in the tire pr essure warning system (P. 5 0 2 )
Have the system checked by your Lexus dealer.
(Flashes)
(If equipped)
“A F S O F F ” i n d i c a t o r Indicates a malfunction in the adaptive front-lighting system
Have the vehicle inspected by your Lexus dealer immediately.
Warning lightWarning light/Details/Actions