2010 TOYOTA PRIUS lock

478 4-3. Do-it-yourself maintenance
PRIUS_U (OM47668U) U.S.A.■
Front side marker lights
For the right side only: Remove the bolt and unclip the engine
coolant reservoir hose. Then lift up the air cleaner inlet duct.
( P. 474)
Turn the bulb base counterclockwise.
Vehicles with LED headlights
Vehicles with halogen headlights
Remove the light bulb.
STEP1
STEP2
ITO43P187
ITO43P167
STEP3

479
4-3. Do-it-yourself maintenance
4
Maintenance and care
PRIUS_U (OM47668U) U.S.A.
■
Front fog lights (vehicles with LED headlights)
Remove the engine under cover
bolt and clip and pull down the
engine under cover.
Unplug the connector while
pushing the lock release.
Turn the bulb base counterclock-
wise.
ITO43P140
STEP1
ITO43P141
STEP2
ITO43P142
STEP3

480 4-3. Do-it-yourself maintenance
PRIUS_U (OM47668U) U.S.A.■
Front turn signal lights
Remove the engine under cover bolt and clip and pull down
the engine under cover. ( P. 479)
Unplug the connector while
pushing the lock release.
Remove the light bulb.
STEP1
ITO43P143
STEP2
ITO43P144
STEP3

481
4-3. Do-it-yourself maintenance
4
Maintenance and care
PRIUS_U (OM47668U) U.S.A.
■
Rear turn signal lights and back-up lights
Open the back door and remove
the cover.
Turn the bulb base counterclock-
wise.
Rear turn signal light
Back-up light
Remove the light bulb. Rear turn signal light
Back-up light
ITO43P145
STEP1
ITO43P146
STEP2
ITO43P147
STEP3

482 4-3. Do-it-yourself maintenance
PRIUS_U (OM47668U) U.S.A.■
License plate lights
Open the back door and remove
the cover.
To protect the cover, place a rag
between the flathead screwdriver
and cover as shown in the illus-
tration.
Turn the bulb base counterclock-
wise.
Remove the light bulb.
■ Lights other than the above
If any of the lights listed below has burnt out, have your Toyota
dealer replace it.
●Headlight low beams (LED type)
● Stop/tail lights
● High mounted stoplight
ITO43P148
STEP1
ITO43P149
STEP2
ITO43P150
STEP3

484 4-3. Do-it-yourself maintenance
PRIUS_U (OM47668U) U.S.A.
CAUTION
■Replacing light bulbs
● Turn off the headlights. Do not attempt to replace the bulb immediately
after turning off the headlights. 
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. Failing 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.

510 5-2. Steps to take in an emergency
PRIUS_U (OM47668U) U.S.A.
Have the vehicle inspected immediately.Failure to investigate the cause of the following warnings may lead to
the system operating abnormally and possibly cause an accident.
Have the vehicle inspected by your Toyota dealer immediately.
Warning messageDetails
(If equipped) Indicates a malfunction in the LED headlight system.
Indicates a malfunction in the parking lock system.
(Flashing)
(If equipped) Indicates a malfunction in the pre-collision system.
A buzzer also sounds.

5
When trouble arises
519
5-2. Steps to take in an emergency
PRIUS_U (OM47668U) U.S.A.
Interior
buzzerExterior buzzerWarning messageDetailsCorrection procedure
Once Contin-
uous
(Displayed alternately)(Flashing) The electronic
key has been
taken outside
the vehicle and
the doors have
been locked
without first
turning the
“POWER”
switch to OFF.
(vehicles with
entry function)
Turn the
“POWER”
switch to
OFF and
lock the
doors
again.