2021 TOYOTA C-HR maintenance

3986-3. Do-it-yourself maintenance
C-HR_OM_USA_OM10684U
Install the battery cover with the
tab facing up.
Push the entire edge of the battery
cover into the key.
Install the key cover.
Align the key cover with the key
and then press it straight into the
key.
Make sure that the key cover is
securely installed without any gaps
between it and the key.
Vehicles with a smart key system
Release the lock and take out
the mechanical key.
Remove the cover.
Use an appropriate sized flathead
screwdriver. Forceful prying may
deform the cover.
To prevent damage to the key,
cover the tip of the screwdriver with
a rag.
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3996-3. Do-it-yourself maintenance
6
Maintenance and care
C-HR_OM_USA_OM10684U
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.
Use an appropriate sized flathead
screwdriver when removing the
battery.
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 your Toyota dealer, local electri cal appliance
shops or camera stores.
● Replace only with the same or equivalent type recommended by the manu-
facturer.
● Dispose of used batteries according to local laws.
■ If the key battery is depleted
The following symptoms may occur:
●The smart key system (if equipped) and wireless remote control will not
function properly.
● The operational range will be reduced.
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4006-3. Do-it-yourself maintenance
C-HR_OM_USA_OM10684U
WARNING
■Removed battery a nd 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.
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 cont rol.
● Do not bend either of the battery terminals.

4016-3. Do-it-yourself maintenance
6
Maintenance and care
C-HR_OM_USA_OM10684U
Checking and replacing fuses
Turn the engine switch off.
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.
Engine compartment type C fuse box
While pushing the 2 claws, lift
up the cover.
When closing the cover, make sure
to attach the 2 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.
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4026-3. Do-it-yourself maintenance
C-HR_OM_USA_OM10684U
Left side instrument panel
Remove the lid.
Make sure to press the claw during
removal or installation.
Remove the fuse with the pull-
out tool.
Only type A fuses can be removed
using the pullout tool.
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4036-3. Do-it-yourself maintenance
6
Maintenance and care
C-HR_OM_USA_OM10684U
Check if the fuse is blown.Normal fuse
Blown fuse
Except for type E:
Replace the blown fuse with a new fuse of an appropriate ampera ge rat-
ing. The amperage rating can be found on the fuse box lid.
Type E:
Contact your Toyota dealer.
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Ty p e AType B
Ty p e CType D
Ty p e E

4046-3. Do-it-yourself maintenance
C-HR_OM_USA_OM10684U
■After a fuse is replaced
●If the lights do not turn on even after the fuse has been repla ced, a bulb may
need replacement. ( P. 407)
● If the replaced fuse blows again, have the vehicle inspected by your Toyota
dealer.
■ If there is an overload in a circuit
The fuses are designed to blow, protecting the wiring harness f rom 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 indicate d, 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 b y your
Toyota dealer as soon as possible.

4056-3. Do-it-yourself maintenance
6
Maintenance and care
C-HR_OM_USA_OM10684U
Headlight aim (vehicles with front fog
lights)
Adjustment bolt A
Adjustment bolt B
Make sure the vehicle has a full tank of gasoline and the area
around the headlight is not deformed.
Park the vehicle on level ground.
Sit in the driver’s seat.
Bounce the vehicle several times.
Vertical movement adjusting bolts
Before checking the headlight aim
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