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HS250h_U_75050UTurn 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.
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4-3. Do-it-yourself maintenance
4
Maintenance and care
HS250h_U_75050URemove 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.
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4-3. Do-it-yourself maintenance
HS250h_U_75050U■
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.
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4-3. Do-it-yourself maintenance
4
Maintenance and care
HS250h_U_75050U■
Lights other than the above
If any of the lights listed below has burnt out, have it replaced by your
Lexus dealer.
● Headlight low beams (LED headlight type)
● Side turn signal lights
● Stop/tail lights
● Tail lights
● Rear side marker lights
● High mounted stoplight
● Outer foot lights
■When replacing the front righ t headlight, front turn signal lights and parking light
bulbs
■LED light bulbs
The headlight low beams (LED headlights type), side turn signal lights, rear side
marker lights, stop/tail lights, tail lights and high mounted stoplight consist of a num-
ber of LEDs. If any of the LEDs burn out, take your vehicle to your Lexus dealer to
have the light replaced. Remove the securing clip and move the
washer fluid filler opening to allow easy
access to the light bulbs.
After replacing the bulbs, make sure to
secure the washer fluid filler opening with the
clip.
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HS250h_U_75050U
■Condensation build-up on the inside of the lens
Contact your Lexus dealer for more information in the following situations. Tempo-
rary condensation build-up on the inside of the headlight lens does not indicate a
malfunction.
●Large drops of water have built up on the inside of the lens.
●Water has built up inside the headlight.
■When replacing light bulbs
→P. 4 8 0
CAUTION
■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. Hold the bulb by
the plastic or metal portion.
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 headlights or cause condensation to build up on the lens.
■To prevent damage or fire
Make sure bulbs are fully seated and locked.
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When trouble arises5
493
HS250h_U_75050U
5-1. Essential informationEmergency flashers .............. 494
If your vehicle needs to be towed ................................ 495
If you think something is wrong ....................................... 501
5-2. Steps to take in an emergency
If a warning light turns on or a warning buzzer
sounds... ................................. 502
If a warning message is displayed................................. 512
If you have a flat tire............... 532
If the hybrid system will not start .......................................... 541
If you lose your keys .............. 543
If the electronic key does not operate properly.......... 544
If the vehicle 12-volt battery is discharged ......... 547
If your vehicle overheats ..... 552
If the vehicle becomes stuck........................................ 556
If your vehicle has to be stopped in
an emergency ...................... 558
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HS250h_U_75050U
5-1. Essential information
Emergency flashers
NOTICE
■To prevent 12-volt battery discharge
Do not leave the emergency flashers on longer than necessary when the hybrid sys-
tem is not operating.
Use the emergency flashers if the vehicle malfunctions or is involved in an
accident.
Press the switch to flash all the
turn signal lights. To turn them
off, press the switch once again.
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5
When trouble arises
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5-1. Essential information
HS250h_U_75050U
If your vehicle needs to be towed
Before towingThe following may indicate a problem with your hybrid transmission.
Contact your Lexus dealer before towing.
● The hybrid system is operating but the vehicle will not move.
● The vehicle makes an abnormal sound.
Emergency towing
If a tow truck is not available in an
emergency, your vehicle may be
temporarily towed using a cable or
chain secured to the emergency
towing eyelet(s). This should only
be attempted on hard surfaced
roads for short distances at under
18 mph (30 km/h).
A driver must be in the vehicle to
steer and operate the brakes. The
vehicle’s wheels, drive train, axles,
steering and brakes must be in
good condition.
If towing is necessary, we recommend having your vehicle towed by your
Lexus dealer or a commercial towing service, using a lift-type truck or a
flatbed truck.
Use a safety chain system for all towing, and abide by all state/provincial
and local laws.