Page 617 of 744

6177-3. Do-it-yourself maintenance
PRIUS PHV_OM_OM47A89E_(EE)
7
Maintenance and care
Remove the depleted battery.
When removing the cover, if the
battery cannot be seen due to the
electronic key module attaching to
the upper cover, remove the elec-
tronic key module from the cover
so that the battery is visible as
shown in the illustration.
When removing the battery, use a
screwdriver of an appropriate size.
Insert a new battery with the “+” terminal facing up.
When installing, reverse the steps listed.
■Use a CR2032 lithium battery
●Batteries can be purchased at any authorized Toyota dealer or repairer, or
another duly qualified and equipped professional, local electrical appliance
shops or camera stores.
●Replace only with the same or equivalent type recommended by the manu-
facturer.
●Dispose of used batteries according to the local laws.
■If the electronic key battery is depleted
The following symptoms may occur:
●The smart entry & start system and wireless remote control will not function
properly.
●The operational range will be reduced.
3
4
Page 618 of 744
6187-3. Do-it-yourself maintenance
PRIUS PHV_OM_OM47A89E_(EE)
WARNING
■Removed battery and other parts
These parts are small and if swallowed by a child, they can cause choking.
Keep away from children. Failure to do so could result in death or serious
injury.
■ Certification for the smart entry & start system
CAUTION
RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN INCORRECT
TYPE.
DISPOSE OF USED BATTERIES ACCORDING TO THE INSTRUCTIONS
NOTICE
■ For normal operation after replacing the battery
Observe the following precautions to prevent accidents:
● Always work with dry hands.
Moisture may cause the battery to rust.
● Do not touch or move any other component inside the remote control.
● Do not bend either of the battery terminals.
Page 619 of 744
6197-3. Do-it-yourself maintenance
PRIUS PHV_OM_OM47A89E_(EE)
7
Maintenance and care
Checking and replacing fuses
Turn the power switch off.
Confirm that the charging connector is not connected. Also, do not use the
Remote Air Conditioning System during the procedure.
Open the fuse box cover.
Engine compartment type A fuse box
While pushing the 2 claws, lift
up the cover.
When closing the cover, make
sure to attach the 2 claws.
Engine compartment type B fuse box
While pushing the 3 claws, lift
up the cover.
When closing the cover, make
sure to attach the 3 claws.
If any of the electrical components do not operate, a fuse may
have blown. If this happens, check and replace the fuses as nec-
essary.
1
2
Page 620 of 744
6207-3. Do-it-yourself maintenance
PRIUS PHV_OM_OM47A89E_(EE)
Left side instrument panel (left-hand drive vehicles)
Remove the lid.
Make sure to press the claw
during removal or installation.
Left side instrument panel (right-hand drive vehicles)
Push the tab in and remove
the cover.
Unplug the connector while
pressing the lock release.
Remove the lid.
Make sure to press the claw
during removal or installation.
Remove the fuse.
Only type A fuse can be
removed using the pullout tool.
1
2
3
3
Page 621 of 744
6217-3. Do-it-yourself maintenance
PRIUS PHV_OM_OM47A89E_(EE)
7
Maintenance and care
Check if the fuse is blown.
Normal fuse
Blown fuse
Replace the blown fuse with a new fuse of an appropriate amperage rat-
ing. The amperage rating can be found on the fuse box lid.
4
1
2
Ty pe AType B
Ty pe C
Page 622 of 744

6227-3. Do-it-yourself maintenance
PRIUS PHV_OM_OM47A89E_(EE)
■After a fuse is replaced
● If the lights do not turn on even after the fuse has been replaced, a bulb may
need replacement. ( P. 623)
● If the replaced fuse blows again, have the vehicle inspected by any autho-
rized Toyota dealer or repairer, or another duly qualified and equipped pro-
fessional.
■ If there is an overload in a circuit
The fuses are designed to blow, protecting the wiring harness from damage.
■ When replacing light bulbs
Toyota recommends that you use genuine Toyota products designed for this
vehicle. Because certain bulbs are connected to circuits designed to prevent
overload, non-genuine parts or parts not designed for this vehicle may be
unusable.
WARNING
■ To prevent system breakdowns and vehicle fire
Observe the following precautions.
Failure to do so may cause damage to the vehicle, and possibly a fire or
injury.
● Never use a fuse of a higher amperage rating than that indicated, or use
any other object in place of a fuse.
● Always use a genuine Toyota fuse or equivalent.
Never replace a fuse with a wire, even as a temporary fix.
● Do not modify the fuses or fuse boxes.
NOTICE
■Before replacing fuses
Have the cause of electrical overload determined and repaired by any
authorized Toyota dealer or repairer, or another duly qualified and equipped
professional as soon as possible.
Page 623 of 744
6237-3. Do-it-yourself maintenance
PRIUS PHV_OM_OM47A89E_(EE)
7
Maintenance and care
Light bulbs
Check the wattage of the light bulb to be replaced. (P. 705)
Back-up light
You may replace the following bulbs by yourself. The difficulty
level of replacement varies depending on the bulb. As there is a
danger that components may be damaged, we recommend that
replacement is carried out by any authorized Toyota dealer or
repairer, or another duly qualified and equipped professional.
Preparing for light bulb replacement
Bulb locations
Page 624 of 744
6247-3. Do-it-yourself maintenance
PRIUS PHV_OM_OM47A89E_(EE)
■Back-up lights
Remove the 2 clips that secure the lower portion of the cover at
the back of the rear tire.
Pull out the center portion of
the clip to unlock using a flat-
head screwdriver, and then
pull it to remove.
Remove the 3 clips that secure the upper portion of the cover.
Turn the clip counterclockwise to remove.
Pull out the center portion of the clip to unlock using a flathead
screwdriver, and then pull it to remove.
Pull out the center portion of the clip to unlock using a flathead
screwdriver, and then pull it to remove.
Replacing light bulbs
1
2
1
2
3