2023 TOYOTA C-HR Owners Manual

7437-2. Steps to take in an emergency
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When trouble arises
One of the following may be the cause of the problem:
● The 12-volt battery may be discharged. (P. 747)
● One or both of the 12-volt battery terminals may be disconnected.
( P. 604)
Contact any authorized Toyota retailer or Toyota authorized repairer, or any
reliable repairer if the problem cannot be repaired, or if repa ir procedures
are unknown.
When the hybrid system does not start, the following steps can be
used as an interim measure to start the hybrid system if the po wer
switch is functioning normally.
Do not use this starting procedure except in cases of emergency .
Set the parking brake.
Shift the shift lever to P.
Turn the power switch to ACCESSORY mode.
Press and hold the power switch for about 15 seconds while
depressing the brake pedal firmly.
Even if the hybrid system can be started using the above steps, the
system may be malfunctioning. Have the vehicle inspected by any
authorized Toyota retailer or Toyota authorized repairer, or an y reliable
repairer.
The interior lights and headlights do not turn on, or the horn
does not sound.
Emergency start function
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7447-2. Steps to take in an emergency
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If the electronic key does not operate
properly
Use the mechanical key ( P. 187) in order to perform the following
operations:
Locks all the doors
Closes the windows (turn and
hold)*
Unlocks all the doors
Opens the windows (turn and
hold)*
*: These settings must be custom-
ized at any authorized Toyota
retailer or Toyota authorized
repairer, or any reliable repairer.
( P. 779)
If communication between the electronic key and vehicle is inter-
rupted ( P. 208) or the electronic key cannot be used because the
battery is depleted, the smart entry & start system and wireles s
remote control cannot be used. In such cases, the doors can be
opened and the hybrid system can be started by following the pr o-
cedure below.
Locking and unlocking the doors

7457-2. Steps to take in an emergency
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When trouble arises
Ensure that the shift lever is in P and depress the brake pedal.
Touch the Toyota emblem side
of the electronic key to the
power switch.
When the electronic key is
detected, a buzzer sounds and the
power switch will turn to ON mode.
When the smart entry & start sys-
tem is deactivated in customization
setting, the power switch will turn
to ACCESSORY mode.
Firmly depress the brake pedal and check that and mes-
sages are shown on the multi-information display.
Press the power switch.
In the event that the hybrid system still cannot be operated, c ontact
any authorized Toyota retailer or Toyota authorized repairer, o r any
reliable repairer.
Starting the hybrid system
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7467-2. Steps to take in an emergency
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■Stopping the hybrid system
Set the parking brake, shift the shift lever to P and press the power switch as
you normally do when stopping the hybrid system.
■ Replacing the key battery
As the above procedure is a temporary measure, it is recommende d that the
electronic key battery be replaced immediately when the battery is depleted.
( P. 643)
■ Alarm (if equipped)
Using the mechanical key to lock the doors will not set the ala rm system.
If a door is unlocked using the mechanical key when the alarm s ystem is set,
the alarm may be triggered. ( P. 146)
■ Changing power switch modes
Release the brake pedal and press the power switch in step abo ve. The
hybrid system does not start and modes will be changed each tim e the switch
is pressed. ( P. 304)
■ When the electronic key does not work properly
● Make sure that the smart entry & start system has not been deactivated in
the customization setting. If it is off, turn the function on.
(Customizable features: P. 779)
● Check if battery-saving mode is set. If it is set, cancel the function.
( P. 207)
WARNING
■When using the mechanical key and operating the power windows
Operate the power window after checking to make sure that there is no pos-
sibility of any passenger having any of their body parts caught in the side
window. Also, do not allow children to operate the mechanical k ey. It is pos-
sible for children and other passengers to get caught in the po wer window.
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7477-2. Steps to take in an emergency
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When trouble arises
If the 12-volt batter y is discharged
If you have a set of jumper (or booster) cables and a second vehicle
with a 12-volt battery, you can jump start your vehicle by foll owing the
steps below.
Vehicles with an alarm
( P. 146):
Confirm that the electronic key
is being carried.
When connecting the jumper (or
booster) cables, depending on the
situation, the alarm may activate
and the doors may lock. ( P. 149)
2ZR-FXE engine: Open the hood. (P. 594)
M20A-FXS engine: Open the
hood. ( P. 594) and fuse box
cover.
M20A-FXS engine: Open the
exclusive jump starting termi-
nal cover.
The following procedures may be used to start the hybrid sys-
tem if the vehicle’s 12-volt battery is discharged.
You can also call any authorized Toyota retailer or Toyota auth o-
rized repairer, or any reliable repairer or a qualified repair shop.
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7487-2. Steps to take in an emergency
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Connect the jumper cables according to the following procedure:
2ZR-FXE engine
Connect a positive jumper cable clamp to the positive (+) batte ry
terminal on your vehicle.
Connect the clamp on the other end of the positive cable to the
positive (+) battery terminal on the second vehicle.
Connect a negative cable clamp to the negative (-) battery term i-
nal on the second vehicle.
Connect the clamp at the other end of the negative cable to a
solid, stationary, unpainted metallic point away from the 12-vo lt
battery and any moving parts, as shown in the illustration.
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7497-2. Steps to take in an emergency
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When trouble arises
M20A-FXS engine
Connect the positive jumper cable clamp to exclusive jump start -
ing terminal on your vehicle.
Connect the clamp on the other end of the positive cable to pos i-
tive (+) battery terminal on the second vehicle.
Connect the negative cable clamp to negative (-) battery termin al
on the second vehicle.
Connect the clamp at the other end of the negative cable to sol id,
stationary, unpainted metallic point away from the exclusive ju mp
starting terminal and any moving parts as shown in the illustra -
tion.
Start the engine of the second vehicle. Increase the engine spe ed
slightly and maintain at that level for approximately 5 minutes to
recharge the 12-volt battery of your vehicle.
Open and close any of the doors of your vehicle with the engine
switch off.
Maintain the engine speed of the second vehicle and start the
hybrid system of your vehicle by turning the power switch to ON
mode.
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7507-2. Steps to take in an emergency
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Make sure the “READY” indicator comes on. If the indicator light
does not come on, contact any authorized Toyota retailer or Toy ota
authorized repairer, or any reliable repairer.
Once the hybrid system has started, remove the jumper cables in
the exact reverse order from which they were connected.
For M20A-FXS engine: Close the exclusive jump starting terminal
cover, and reinstall the fuse box cover to its original positio n.
Once the hybrid system starts, have the vehicle inspected at an y
authorized Toyota retailer or Toyota authorized repairer, or an y reliable
repairer as soon as possible.
■ Starting the hybrid system when the 12-volt battery is discharged
The hybrid system cannot be started by push-starting.
■ To prevent 12-volt battery discharge
● Turn off the headlights and the audio system while the hybrid system is off.
● Turn off any unnecessary electrical components when the vehicle is running
at a low speed for an extended period, such as in heavy traffic .
■ When the 12-volt battery is removed or discharged
● Information stored in the ECU is cleared. When the 12-volt battery is
depleted, have the vehicle inspected at any authorized Toyota r etailer or
Toyota authorized repairer, or any reliable repairer.
● Some systems may require initialization. (P. 791)
■ When removing the 12-volt battery terminals
When the 12-volt battery terminals are removed, the information stored in the
ECU is cleared. Before removing the 12-volt battery terminals, contact any
authorized Toyota retailer or Toyota authorized repairer, or an y reliable
repairer.
■ Charging the 12-volt battery
The electricity stored in the 12- volt battery will discharge gradually even when
the vehicle is not in use, due to natural discharge and the dra ining effects of
certain electrical appliances. If the vehicle is left for a lon g time, the 12-volt
battery may discharge, and the hybrid system may be unable to s tart. (The
12-volt battery recharges automat ically while the hybrid system is operating.)
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