12 volt power TOYOTA C-HR 2022 User Guide

5615-2. Using the interior lights
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Interior features
■Illuminated entry system
When the interior light switch is in the door position, the int erior lights and
power switch light automatically turn on/off according to power switch mode,
the presence of the electronic key, whether the doors are locke d/unlocked
and whether the doors are open/closed.
■ Outer mirror illumination (if equipped)
The illumination automatically turns on according to the presen ce of the elec-
tronic key (vehicles with a smart entry & start system), or the doors are
unlocked.
■ To prevent 12-volt battery discharge
The following lights will turn off automatically after 20 minut es:
● Interior light/front personal lights
● Rear interior light
● Luggage compartment light
● Vanity lights
■ Customization
Settings (e.g. the time elapsed before lights turn off) can be changed. (Cus-
tomizable features: P. 781)

5755-4. Using the other interior features
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Interior features
The clock can be adjusted by pressing and holding the buttons.
Adjusts the hours
Adjusts the minutes
● The clock is displayed when the power switch is in ACCESSORY or ON
mode.
● When the 12-volt battery terminals are disconnected and reconnected, the
clock will automatically be set to 1:00.
Clock (if equipped)

5765-4. Using the other interior features
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Please use as a power supply for electronic goods that use less than
12 V DC/10 A (power consumption of 120 W).
Lift the lid while pulling up the
knob and open the console box.
Open the cover.
■ The power outlet can be used when
The power outlet can be used when the power switch is in ACCESS ORY or
ON mode.
■ When stopping the hybrid system
Disconnect electrical devices with charging functions, such as mobile battery
packs. If such devices are left connected, the hybrid system ma y not stop
normally.
Power outlet
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NOTICE
● To avoid damaging the power outlet, close the power outlet cover when
the power outlet is not in use.
Foreign objects or liquids that enter the power outlet may caus e a short
circuit.
● To prevent 12-volt battery discharge, do not use the power outlet longer
than necessary when the hybrid system is off.

5936-3. Do-it-yourself maintenance
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Maintenance and care
Do-it-yourself ser vice precautions
If you perform maintenance by yourself, be sure to follow the
correct procedure as given in these sections.
ItemsParts and tools
12-volt battery
condition
( P. 606)
2ZR-FXE engine
• Warm water • Baking soda • Grease
• Conventional wrench (for terminal clamp bolts)
M20A-FXS engine
• Grease
• Conventional wrench (for terminal clamp bolts)
Engine/power
control unit
coolant level
( P. 604)
• “Toyota Super Long Life Coolant” or a similar high
quality ethylene glycol-based non-silicate, non-
amine, non-nitrite and non-borate coolant with long-
life hybrid organic acid technology
“Toyota Super Long Life Coolant” is pre-mixed with
50% coolant and 50% deionized water.
• Funnel (used only for adding coolant)
Engine oil level
( P. 601)
• “Toyota Genuine Motor Oil” or equivalent
• Rag or paper towel
• Funnel (used only for adding engine oil)
Fuses (P. 6 4 8 )• Fuse with same amperage rating as original
Hybrid battery
(traction battery)
air intake vent
( P. 640)
• Vacuum cleaner, etc.
• Phillips screwdriver
Light bulbs
( P. 653)
• Bulb with same number and wattage rating as origi-
nal
• Phillips-head screwdriver
• Flathead screwdriver•Wrench
Radiator and
condenser
( P. 606)


5946-3. Do-it-yourself maintenance
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Tire inflation
pressure
( P. 632)
• Tire pressure gauge
• Compressed air source
Washer fluid
( P. 6 1 1 )
• Water or washer fluid containing antifreeze (for win-
ter use)
• Funnel (used only for adding water or washer fluid)
WARNING
The engine compartment contains many mechanisms and fluids that may
move suddenly, become hot, or become electrically energized. To avoid death
or serious injury, observe the following precautions.
■ When working on the engine compartment
● Make sure that the “ACCESSORY” or “IGNITION ON” on the multi-infor-
mation display and the “READY” indicator are both off.
● Keep hands, clothing and tools away from the moving fan.
● Be careful not to touch the engine, power control unit, radiator, exhaust
manifold, etc., right after driving as they may be hot. Oil and other fluids
may also be hot.
● Do not leave anything that may burn easily, such as paper and rags, in the
engine compartment.
● Do not smoke, cause sparks or expose an open flame to fuel or the 12-volt
battery. Fuel and 12-volt battery fumes are flammable.
● Be extremely cautious when working on the 12-volt battery. It contains poi-
sonous and corrosive sulfuric acid.
● Take care because brake fluid can harm your hands or eyes and damage
painted surfaces. If fluid gets on your hands or in your eyes, flush the
affected area with clean water immediately. If you still experi ence discom-
fort, consult a doctor.
■ When working near the electric cooling fans or radiator grille
Be sure the power switch is off.
With the power switch in ON mode, the electric cooling fans may automati-
cally start to run if the air conditioning is on and/or the coo lant temperature
is high. ( P. 606)
■ Safety glasses
Wear safety glasses to prevent flying or falling material, flui d spray, etc.,
from getting in your eyes.
ItemsParts and tools

5996-3. Do-it-yourself maintenance
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Maintenance and care
Engine compar tment
2ZR-FXE engine
Washer fluid tank (P. 6 1 1 )
Engine coolant reservoir
( P. 604)
Fuse boxes ( P. 648)
Engine oil level dipstick
( P. 601)
Engine oil filler cap ( P. 602)
Power control unit coolant
reservoir ( P. 6 0 4 )
12-volt battery ( P. 6 0 6 )
Radiator ( P. 6 0 6 )
Condenser ( P. 6 0 6 )
Electric cooling fans

6006-3. Do-it-yourself maintenance
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M20A-FXS engine
■12-volt battery (M20A-FXS engine)
 P. 612
Washer fluid tank (P. 6 1 1 )
Engine coolant reservoir
( P. 604)
Fuse boxes ( P. 648)
Power control unit coolant res-
ervoir ( P. 604)
Engine oil filler cap ( P. 6 0 2 )
Engine oil level dipstick
( P. 6 0 1 )
Radiator ( P. 6 0 6 )
Condenser ( P. 6 0 6 )
Electric cooling fans

6086-3. Do-it-yourself maintenance
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■Before recharging
When recharging, the 12-volt battery produces hydrogen gas whic h is flam-
mable and explosive. Therefore, observe the following precautio ns before
recharging:
● If recharging with the 12-volt battery installed on the vehicle, be sure to dis-
connect the ground cable.
● Make sure the power switch on the charger is off when connecting and dis-
connecting the charger cables to the 12-volt battery.
■ After recharging/reconnecting the 12-volt battery
● The hybrid system may not start. Follow the procedure below to initialize the
system.
Shift the shift lever to P.
Open and close any of the doors.
Restart the hybrid system.
● Vehicles with entry function: Unlocking the doors using the smart entry &
start system may not be possible immediately after reconnecting the 12-volt
battery. If this happens, use the wireless remote control or th e mechanical
key to lock/unlock the doors.
● Start the hybrid system with the power switch in ACCESSORY mode. The
hybrid system may not start with the power switch turned off. H owever, the
hybrid system will operate normally from the second attempt.
● The power switch mode is recorded by the vehicle. If the 12-volt battery is
reconnected, the vehicle will return the power switch mode to t he status it
was in before the 12-volt battery was disconnected. Make sure t o turn off
the power switch before disconnect the 12-volt battery. Take ex tra care
when connecting the 12-volt battery if the power switch mode pr ior to dis-
charge is unknown.
If the system will not start even after multiple attempts at al l methods above,
contact any authorized Toyota retailer or Toyota authorized rep airer, or any
reliable repairer.
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6136-3. Do-it-yourself maintenance
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Maintenance and care
■Before recharging
When recharging, the 12-volt battery produces hydrogen gas whic h is flam-
mable and explosive. Therefore, observe the following precautio ns before
recharging:
● If recharging with the 12-volt battery installed on the vehicle, be sure to dis-
connect the ground cable.
● Make sure the power switch on the charger is off when connecting and dis-
connecting the charger cables to the 12-volt battery.
■ After recharging/reconnecting the 12-volt battery
● The hybrid system may not start. Follow the procedure below to initialize the
system.
Shift the shift lever to P.
Open and close any of the doors.
Restart the hybrid system.
● Vehicles with entry function: Unlocking the doors using the smart entry &
start system may not be possible immediately after reconnecting the 12-volt
battery. If this happens, use the wireless remote control or th e mechanical
key to lock/unlock the doors.
● Start the hybrid system with the power switch in ACCESSORY mode. The
hybrid system may not start with the power switch turned off. H owever, the
hybrid system will operate normally from the second attempt.
● The power switch mode is recorded by the vehicle. If the 12-volt battery is
reconnected, the vehicle will return the power switch mode to t he status it
was in before the 12-volt battery was disconnected. Make sure t o turn off
the power before disconnect the 12-volt battery. Take extra car e when con-
necting the 12-volt battery if the power switch mode prior to d ischarge is
unknown.
If the system will not start even after multiple attempts all m ethods above,
contact any authorized Toyota retailer or Toyota authorized rep airer, or any
reliable repairer.
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6887-2. Steps to take in an emergency
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■Electric power steering system warning light (warning buzzer)
When the 12-volt battery charge becomes insufficient or the vol tage tempo-
rarily drops, the electric power steering system warning light may come on
and the warning buzzer may sound.
■ If the malfunction indicator lamp comes on while driving
For some models, the malfunction indicator lamp will come on if the fuel tank
becomes completely empty. If the fuel tank is empty, refuel the vehicle imme-
diately. The malfunction indicator lamp will go off after sever al trips.
If the malfunction indicator lamp does not go off, contact any authorized
Toyota retailer or Toyota authorized repairer, or any reliable repairer as soon
as possible.
■ Front passenger detection sensor, seat belt reminder and warning
buzzer
● If luggage is placed on the front passenger seat, the front passenger detec-
tion sensor may cause the warning light to flash and the warnin g buzzer to
sound even if a passenger is not sitting in the seat.
● If a cushion is placed on the seat, the sensor may not detect a passenger,
and the warning light may not operate properly.
■ Warning light operations for unfastened rear passenger seat belts
● When opening and closing the rear door, the warning light comes on for
approximately a certain period of time.
● When any of the rear seat belts are unfastened, the warning light comes on.
When the rear doors are opened and closed while the warning light is on, the
warning light will turn off after approximately a certain perio d of time.
■ When the tire pressure warning light comes on
Inspect the appearance of the tire to check that the tire is no t punctured.
If the tire is punctured: P. 699, 729
If the tire is not punctured:
Carry out the following procedure after the tire temperature ha s lowered suffi-
ciently.
● Check the tire inflation pressure and adjust to the appropriate level.
● If the warning light does not go out even after several minutes, check that
the tire inflation pressure is at the specified level and carry out initialization.
( P. 619)
The warning light may come on again if the above operations are conducted
without first allowing the tire temperature to lower sufficient ly.