2015 TOYOTA PRIUS light

490 4-3. Do-it-yourself maintenance
PRIUS_OM_OM47A17U_DVD_(U)
■License plate lights
Open the back door and remove
the cover.
To prevent damage, cover the tip
of the screwdriver with a rag.
Turn the bulb base counterclock-
wise.
Remove the light bulb.
When installing, reverse the steps listed.
STEP 1
ITO43P149
STEP 2
ITO43P150
STEP 3
STEP 4

491
4-3. Do-it-yourself maintenance
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4
Maintenance and care
■
Replacing the following bulbs
If any of the lights listed below has burnt out, have it replaced by
your Toyota dealer.
● Headlight low beams (LED headlights)
● Parking lights (LED headlights)
● Stop lights
● Tail lights
● Rear side marker lights
● High mounted stoplight
● Side turn signal lights (if equipped)
● Daytime running lights (except for Canada)
■LED lights
The headlight low beams (LED headlights), parking lights (LED headlights),
stop lights, tail lights, rear side marker lights, high mounted stoplight and
daytime running lights (except for Canada) consist of a number of LEDs. If
any of the LEDs burn out, take your vehi cle to your Toyota dealer to have the
light replaced.
■ Condensation build-up on th e inside of the lens
Temporary condensation build-up on the inside of the headlight lens does
not indicate a malfunction. Contact your Toyota dealer for more information
in the following situations:
● 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. 476

492 4-3. Do-it-yourself maintenance
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CAUTION
■Replacing light bulbs
●Be sure to stop the hybrid system and 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 i\
t is
unavoidable to hold the glass portion, use and hold 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 headlights or cause condensation to build up on the lens.
● Do not attempt to repair or disassemble light bulbs, connectors, electric
circuits or component parts.
Doing so may result in death or serious injury due to electric shock.
■ To prevent damage or fire
Make sure bulbs are fully seated and locked.

When trouble arises5
493
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5-1. Essential informationEmergency flashers ......... 494
If your vehicle needs to be towed .................... 495
If you think something is wrong ............................. 502
5-2. Steps to take in an emergency
If a warning light turns on or a warning buzzer
sounds ........................... 503
If a warning message is displayed........................ 517
If you have a flat tire......... 537
If the hybrid system will not start .......................... 550
If you lose your keys ........ 552
If the electronic key does not operate properly....... 553
If the 12-volt battery is discharged ..................... 555
If your vehicle overheats ....................... 561
If the vehicle becomes stuck .............................. 567
If your vehicle has to be stopped in an
emergency ..................... 569

494
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5-1. Essential information
Emergency flashers
■Emergency flashers
If the emergency flashers are used for a long time while the hybrid system is
not operating (while the “READY” indi cator is not illuminated), 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.
Press the switch.
All the turn signal lights will
flash.
To turn them off, press the
switch once again.

502
5-1. Essential information
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If you think something is wrong
If you notice any of the following symptoms, your vehicle probably
needs adjustment or repair. Contact your Toyota dealer as soon as
possible.
■ Visible symptoms
●Fluid leaks under the vehicle
(Water dripping from the air cond itioning after use is normal.)
● Flat-looking tires or uneven tire wear
● High engine coolant temperatur e warning light flashes or
comes on
■ Audible symptoms
●Changes in exhaust sound
● Excessive tire squeal when cornering
● Strange noises related to the suspension system
● Pinging or other noises related to the hybrid system
■ Operational symptoms
●Engine missing, stumbling or running roughly
● Appreciable loss of power
● Vehicle pulls heavily to one side when braking
● Vehicle pulls heavily to one side when driving on a level road
● Loss of brake effectiveness, s pongy feeling, pedal almost
touches the floor

5
When trouble arises
503
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5-2. Steps to take in an emergency
If a war ning light tur ns on or a war ning buzzer sounds
Stop the vehicle immediately. Continuing to drive the vehicle
may be dangerous.The following warning indicates a possible problem in the brake sys-
tem. Immediately stop the vehicle in a safe place and contact your
Toyota dealer.
*: Parking brake engaged warning buzzer:
A buzzer will sound if the vehicle is driven at a speed of approximately 3 mph
(5 km/h) or more.
Warning lightWarning light/Details
(U.S.A.)
(Canada)
Brake system warning light and warning buzzer (red
indicator)
*
• Low brake fluid
• Malfunction in the brake system This light also comes on when the parking brake is not
released. If the light turns off after the parking brake is
fully released, the system is operating normally.
Calmly perform the following actions if any of the warning lights
comes on or flashes. If a light comes on or flashes, but then goes
off, this does not necessarily indicate a malfunction in the system.
However, if this continues to o ccur, have the vehicle inspected by
your Toyota dealer.

504 5-2. Steps to take in an emergency
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Stop the vehicle immediately.The following warning indicates the possibility of damage to the vehi-
cle that may lead to an accident. Immediately stop the vehicle in a
safe place and contact your Toyota dealer.
Warning lightWarning light/Details
Charging system warning light Indicates a malfunction in the vehicle’s charging system
High coolant temperature warning light Indicates that the coolant temperature is too high
Changes from a flashing to a solid light when the engine
coolant temperature increases.