TOYOTA PRIUS 2015 4.G Owners Manual

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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

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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
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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.

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When trouble arises
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5-1. Essential information
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If your vehicle needs to be towed
Situations when it is not possible to be towed by another vehicle
In the following situations, it is not possible to be towed by another
vehicle using cables or chains, as the front wheels may be locked
due to the parking lock. Contact your Toyota dealer or a commercial
towing service.
● There is a malfunction in the shift control system. ( P. 519)
● There is a malfunction in the immobilizer system. ( P. 137)
● There is a malfunction in the smart key system. ( P. 553)
● The 12-volt battery is discharged. ( P. 555)
Situations needs to contact dealers before towing
The following may indicate a problem with your hybrid transmission.
Contact your Toyota dealer or commercial towing service before tow-
ing.
● The “CHECK HYBRID SYSTEM” warning message appears on
the multi-information display and the vehicle does not move.
● The vehicle makes an abnormal sound.
If towing is necessary, we recommend having your vehicle towed by
your Toyota dealer or commerci al towing service, using a lift-type
truck or flat bed truck.
Use a safety chain system for all to wing, and abide by all state/pro-
vincial and local laws.

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Towing with a sling-type truckDo not tow with a sling-type truck
to prevent body damage.
Towing with a wheel-lift type truckFrom the front Release the parking brake.
From the rear Use a towing dolly under the
front wheels.

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When trouble arises
497
5-1. Essential information
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Using a flatbed truck
If your Toyota is transported by a
flatbed truck, it should be tied
down at the locations shown in
the illustration.
If you use chains or cables to tie
down your vehicle, the angles
shaded in black must be 45.
Do not overly tighten the tie
downs or the vehicle may be
damaged.

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Emergency towingIf 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. This should only be attempted on hard surfaced roads
for short distances at low speeds.
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.
Emergency towing procedure
Take out the towing eyelet. ( P. 537)
Remove the eyelet cover using a
flathead screwdriver.
To protect the bodywork, place a
rag between the screwdriver and
the vehicle body as shown in the
illustration.
Insert the towing eyelet into the
hole and tighten partially by
hand.
STEP 1
STEP 2
STEP 3

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When trouble arises
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5-1. Essential information
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Tighten down the towing eyelet
securely using a wheel nut
wrench or hard metal bar.
Securely attach a cable or chain to the towing eyelet.
Take care not to damage the vehicle body.
Enter the vehicle being towed and start the hybrid system.
If the hybrid system does not start, turn the “POWER” switch to ON
mode.
Shift the shift position to N and release the parking brake.
STEP 4
■ While towing
If the hybrid system is off, the power assist for the brakes and steering will
not function, making steering and braking more difficult.
■ Wheel nut wrench
Wheel nut wrench is installed under the center auxiliary box. ( P. 537)
STEP 5
STEP 6
STEP7

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CAUTION
Observe the following precautions.
Failure to do so may result in death or serious injury.
■When towing the vehicle
■ While towing
●When towing using cables or chains, avoid sudden starts, etc. which place
excessive stress on the towing eyelet, cables or chains. The towing eyelet,
cables or chains may become damaged, broken debris may hit people and
cause serious damage.
● Do not turn the “POWER” switch off.
This may lead to an accident as the front wheels will be locked by the
parking lock.
■ Installing towing eyelets to the vehicle
Make sure that towing eyelets are installed securely.
If not securely installed, towing eyelets may come loose during towing.
Be sure to transport the vehicle with the
front wheels raised or with all four wheels
raised off the ground.
If the vehicle is towed with the front
wheels contacting the ground, the driv-
etrain and related parts may be damaged
or electricity generated by the operation
of the motor may cause a fire to occur
depending on the nature of the damage
or malfunction.