2021 TOYOTA C-HR Owners Manual (in English)

3696-3. Do-it-yourself maintenance
6
Maintenance and care
C-HR_OM_USA_OM10684U
Check the battery as follows.
■Battery exterior
Make sure that the battery terminals are not corroded and that
there are no loose connections, cracks, or loose clamps.
Terminals
Hold-down clamp
■Checking battery fluid
If there are lines on th e side of the battery:
Check that the leve l is between the upper and lower lines.
Upper line
Lower line
If the fluid level is at or below the
lower line, add distilled water.
Battery

3706-3. Do-it-yourself maintenance
C-HR_OM_USA_OM10684U
If there are not lines on the side of the battery:
Check the fluid level as follows. Remove the vent plug.
Check the fluid level by look-
ing directly at the cell.
If the fluid level is low, add dis-
tilled water.
Put the vent plug back o n and close it securely.
■Adding distilled water
Remove the vent plug.
Add distilled water.
Put the vent plug back o n and close it securely.
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LowO.K.O
P
N
O
P

3716-3. Do-it-yourself maintenance
6
Maintenance and care
C-HR_OM_USA_OM10684U
■Before recharging
When recharging, the battery produces hydrogen gas which is flammable and
explosive. Therefore, observe the following before recharging:
●If recharging with the battery installed on the vehicle, be sur e to disconnect
the ground cable.
● Make sure the power switch on the charger is off when connectin g and dis-
connecting the charger cables to the battery.
■ After recharging/reconnecting the battery (vehicles with a smar t key sys-
tem)
● The engine may not start. Follow the procedure below to initial ize the sys-
tem.
Shift the shift lever to P.
Open and close any of the doors.
Restart the engine.
● Unlocking the doors using the smart key system may not be possi ble imme-
diately after reconnecting the battery. If this happens, use the wireless
remote control or the mechanical key to lock/unlock the doors.
● Start the engine with the engine switch in ACCESSORY mode. The engine
may not start with the engine switch turned off. However, the e ngine will
operate normally from the second attempt.
● The engine switch mode is recorded by the vehicle. If the batte ry is recon-
nected, the vehicle will return the engine switch mode to the s tatus it was in
before the battery was disconnected. Make sure to turn off the engine switch
before disconnecting the battery. Take extra care when connecti ng the bat-
tery if the engine switch mode prior to discharge is unknown.
If the system will not start even after multiple attempts at al l methods above,
contact your Toyota dealer.
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2
3

3726-3. Do-it-yourself maintenance
C-HR_OM_USA_OM10684U
WARNING
■Chemicals in the battery
Batteries contain poisonous and corrosive sulfuric acid and may produce
hydrogen gas which is flammable and explosive. To reduce the ri sk of death
or serious injury, take the following precautions while working on or near the
battery:
● Do not cause sparks by touching the battery terminals with tool s.
● Do not smoke or light a match near the battery.
● Avoid contact with eyes, skin and clothes.
● Never inhale or swallow electrolyte.
● Wear protective safety glasses when working near the battery.
● Keep children away from the battery.
■ Where to safely charge the battery
Always charge the battery in an open area. Do not charge the ba ttery in a
garage or closed room where there is insufficient ventilation.
■ Emergency measures regarding electrolyte
● If electrolyte gets in your eyes
Flush your eyes with clean water for at least 15 minutes and ge t immedi-
ate medical attention. If possible, continue to apply water wit h a sponge or
cloth while traveling to the nearest medical facility.
● If electrolyte gets on your skin
Wash the affected area thoroughly. If you feel pain or burning, get medical
attention immediately.
● If electrolyte gets on your clothes
It can soak through clothing on to your skin. Immediately take off the cloth-
ing and follow the procedure above if necessary.
● If you accidentally swallow electrolyte
Drink a large quantity of water or milk. Get emergency medical attention
immediately.
■ When there is insufficient battery fluid
Do not use if there is insufficient fluid in the battery. There is a possible dan-
ger that the battery may explode.

3736-3. Do-it-yourself maintenance
6
Maintenance and care
C-HR_OM_USA_OM10684U
Add washer fluid in the following situations:
● A washer does not work.
● The warning message appears
on the multi-information display
(if equipped).
NOTICE
■When recharging the battery
Never recharge the battery while the engine is running. Also, b e sure all
accessories are turned off.
■ When adding distilled water
Avoid overfilling. Water spilled during battery recharging may cause corro-
sion.
Washer fluid

3746-3. Do-it-yourself maintenance
C-HR_OM_USA_OM10684U
●The washer fluid level is extremely low (type A) or at “LOW” (t ype
B).
Ty p e A
Raise the cap keeping your finger
pressed down on the hole in the
center and check the fluid level in
the tube.
Ty p e B
■ Using the gauge (type B)
The washer fluid level can be checked by
observing the position of the level on the
liquid-covered holes in the gauge.
If the level falls below the second hole
from the bottom (the “LOW” position), refill
the washer fluid.
Current
fluid
level

3756-3. Do-it-yourself maintenance
6
Maintenance and care
C-HR_OM_USA_OM10684U
WARNING
■When adding washer fluid
Do not add washer fluid when the engine is hot or running as wa sher fluid
contains alcohol and may catch fire if spilled on the engine, e tc.
NOTICE
■Do not use any fluid ot her than washer fluid
Do not use soapy water or engine antifreeze instead of washer f luid.
Doing so may cause streaking on the vehicle’s painted surfaces, as well as
damaging the pump leading to problems of the washer fluid not s praying.
■ Diluting washer fluid
Dilute washer fluid with water as necessary.
Refer to the freezing temperatures listed on the label of the washer fluid bot-
tle.

3766-3. Do-it-yourself maintenance
C-HR_OM_USA_OM10684U
Tires
Check if the treadwear indicators are showing on the tires. Also check
the tires for uneven wear, such as excessive wear on one side o f the
tread.
Check the spare tire condition and pressure if not rotated.
New tread
Worn tread
Treadwear indicator
The location of treadwear indicators is shown by a “TWI” or “” mark,
etc., molded into the s idewall of each tire.
Replace the tires if the treadwear indicators are showing on a tire.
Rotate the tires in the order
shown.
To equalize tire wear and extend
tire life, Toyota recommends that
tire rotation is carried out at the
same interval as tire inspection.
Replace or rotate tires in accordance with maintenance sched-
ules and treadwear.
Checking tires
Tire rotation
Front