2021 TOYOTA C-HR key battery

1864-2. Driving procedures
C-HR_OM_USA_OM10684U■
Auto power off function
If the vehicle is left in ACCESSORY mode for more than 20 minut es or IGNI-
TION ON mode (the engine is not running) for more than an hour with the
shift lever in P, the engine switch will automatically turn off .
However, this function cannot entirely prevent battery discharge. Do not leave
the vehicle with the engine switch in ACCESSORY or IGNITION ON mode for
long periods of time when the engine is not running.
■ Electronic key battery depletion
P. 116
■ Conditions affecting operation
P. 136
■ Notes for the entry function
P. 137
■ If the engine does not start
●The engine immobilizer system may not have been deactivated. ( P. 84)
Contact your Toyota dealer.
● Check that the shift lever is securely set in P. The engine may not start if the
shift lever is displaced out of P.
■ Steering lock
After turning the engine switch off and opening and closing the doors, the
steering wheel will be locked due to the steering lock function. Operating the
engine switch again automatically cancels the steering lock.
■ When the steering lock cannot be released
“Push ENGINE Switch while Turning The
Steering Wheel in Either Direction.” will be
displayed on the multi-information display.
Check that the shift lever is set in P. Press
the engine switch while turning the steer-
ing wheel left and right.

1874-2. Driving procedures
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Driving
C-HR_OM_USA_OM10684U■
Steering lock motor overheating prevention
To prevent the steering lock motor from overheating, the motor may be sus-
pended if the engine is turned on and off repeatedly in a short period of time.
In this case, refrain from operating the engine. After about 10 seconds, the
steering lock motor will resume functioning.
■ When the “Smart Key System Malfu nction. See Owner’s Manual.” is dis-
played on the multi-information display
The system may be malfunctioning. Have the vehicle inspected by your
Toyota dealer immediately.
■ If the electronic key battery is depleted
P. 397
■ Operation of the engine switch
●If the switch is not pressed shortly and firmly, the engine swi tch mode may
not change or the engine may not start.
● If attempting to restart the engine immediately after turning t he engine
switch off, the engine may not start in some cases. After turni ng the engine
switch off, please wait a few seconds before restarting the eng ine.
■ If the smart key system has been d eactivated in a customized setting
P. 462
WARNING
■ When starting the engine
Always start the engine while sitting in the driver’s seat. Do not depress the
accelerator pedal while starting the engine under any circumsta nces.
Doing so may cause an accident resulting in death or serious in jury.
■ Caution while driving
If engine failure occurs while the vehicle is moving, do not lo ck or open the
doors until the vehicle reaches a safe and complete stop. Activ ation of the
steering lock in this circumstance may lead to an accident, res ulting in
death or serious injury.

2084-3. Operating the lights and wipers
C-HR_OM_USA_OM10684U■
Battery-saving function
In the following conditions, the headlights and the other remai ning lights will
go off automatically after 20 minutes in order to prevent the v ehicle battery
from being discharged:
● The headlights and/or tail lights are on.
● Vehicles without a smart key system: The engine switch is turne d to the
“ACC” position or turned off.
Vehicles with a smart key system: The engine switch is turned t o ACCES-
SORY mode or turned off.
● The light switch is in or .
This function will be canceled in any of the following situatio ns:
● Vehicles without a smart key system: The engine switch is turne d to the
“ON” position.
Vehicles with a smart key system: The engine switch is turned t o IGNITION
ON.
● When the light switch is operated.
● When the door is opened or closed.
■ If “Headlight System Malfunction. Visit Your Dealer.” is displayed on the
multi-information display
The system may be malfunctioning. Have the vehicle inspected by your
Toyota dealer.
■ Customization
Settings (e.g. light sensor sensitivity) can be changed.
(Customizable features: P. 507)
NOTICE
■To prevent battery discharge
Do not leave the lights on longer than necessary when the engin e is not
running.

3255-2. Using the interior lights
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Interior features
C-HR_OM_USA_OM10684U
Turns the lights on/off
When the lights are on due to the
door link switch, a light will not turn
off even if its switch is pressed.
■Illuminated entry system
Vehicles without a smart key system
When the interior light switch is in the door position, the int erior lights auto-
matically turn on/off according to the engine switch position, whether the
doors are locked/unlocked and whether the doors are open/closed .
Vehicles with a smart key system
When the interior light switch is in the door position, the int erior lights and
engine switch light automatically turn on/off according to engine 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 key system), or the doors are unlocked.
■ To prevent battery discharge
The following lights will turn off automatically after 20 minut es:
● Front interior light/front personal lights
● Rear interior light
● Luggage compartment light
● Vanity lights (if equipped)
■ Customization
Settings (e.g. the time elapsed before lights turn off) can be changed.
(Customizable features: P. 510)
Personal lights

3375-4. Using the other interior features
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Interior features
C-HR_OM_USA_OM10684U
Please use as a power supply for electronic goods that use less than
12 VDC/10 A (power c onsumption of 120 W).
Lift the lid while pulling up the
knob and open the console box.
Open the cover.
■ The power outlets can be used when
●Vehicles without a smart key system
The power outlet can be used when the engine switch is in the “ ACC” or
“ON” position.
● Vehicles with a smart key system
The power outlet can be used when the engine switch is in ACCES SORY
or IGNITION ON mode.
■ When turning the engine switch off
Disconnect electrical devices with charging functions, such as mobile battery
packs. If such devices are left connected, the engine switch may not be
turned off normally.
Power outlet
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NOTICE
● To avoid damaging the power outlet, close the power outlet cove r when
the power outlet is not in use. Foreign objects or liquids that enter the
power outlet may cause a short circuit.
● To prevent battery discharge, do not use the power outlet longe r than nec-
essary when the engine is off.

339
6Maintenance and care
C-HR_OM_USA_OM10684U6-1. Maintenance and care
Cleaning and protecting the vehicle exterior ................ 340
Cleaning and protecting the vehicle interior ................. 344 6-2. Maintenance
Maintenance requirements ................... 347
General maintenance........ 350
Emission inspection and maintenance (I/M)
programs......................... 354
6-3. Do-it-yourself maintenance
Do-it-yourself service precautions ..................... 355
Hood ................................. 358
Positioning a floor jack ...... 360
Engine compartment ......... 361
Tires .................................. 376
Tire inflation pressure ....... 386
Wheels .............................. 390
Air conditioning filter.......... 393
Wireless remote control/ electronic key battery ...... 397
Checking and replacing fuses ............................... 401
Headlight aim (vehicles with front fog lights) ......... 405
Light bulbs......................... 407

3416-1. Maintenance and care
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Maintenance and care
C-HR_OM_USA_OM10684U■
Automatic car washes
●Fold the mirrors before washing the vehicle. Start washing from the front of
the vehicle. Make sure to extend the mirrors before driving.
● Brushes used in automatic car washes may scratch the vehicle su rface,
parts (wheel, etc.) and harm your vehicle’s paint.
● Rear spoiler may not be washable in some automatic car washes. There
may also be an increased risk of damage to vehicle.
■ High pressure car washes
As water may enter the cabin, do not bring the nozzle tip near the gaps
around the doors or perimeter of the windows, or spray these ar eas continu-
ously.
■ Note for a smart key system (if equipped)
If the door handle becomes wet while the electronic key is within the effective
range, the door may lock and unlock repeatedly. In that case, f ollow the fol-
lowing correction procedures to wash the vehicle:
● Place the key in a position 6 ft. (2 m) or more separate from t he vehicle
while the vehicle is being washed. (Take care to ensure that th e key is not
stolen.)
● Set the electronic key to battery-saving mode to disable the sm art key sys-
tem. ( P. 135)
■ Wheels and wheel ornaments (if equipped)
●Remove any dirt immediately by using a neutral detergent.
● Wash detergent off with water immediately after use.
● To protect the paint from damage, make sure to observe the following pre-
cautions.
• Do not use acidic, alkaline or abrasive detergent
• Do not use hard brushes
• Do not use detergent on the wheels when they are hot, such as after driv-
ing or parking in hot weather
■ Bumpers and side moldings
Do not scrub with abrasive cleaners.
■ Plated portions (if equipped)
If dirt cannot be removed, clean the parts as follows:
●Use a soft cloth dampened with an approximately 5% solution of neutral
detergent and water to clean the dirt off.
● Wipe the surface with a dry, soft cloth to remove any remaining moisture.
● To remove oily deposits, use alcohol wet wipes or a similar pro duct.

3716-3. Do-it-yourself maintenance
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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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