2018 TOYOTA C-HR replace battery

1023-1. Key information
C-HR_OM_USA_OM10526U■
Key battery depletion
Vehicles without a smart key system
If the wireless remote control function does not operate, the battery may be
depleted. Replace the battery when necessary. (→ P. 373)
Vehicles with a smart key system
● The standard battery life is 1 to 2 years.
● If the battery becomes low, an alarm will sound in the cabin when the engine
stops. ( →P. 373)
● As the electronic key always receives radio waves, the battery will become
depleted even if the electronic key is not used. The following symptoms indi-
cate that the electronic key battery may be depleted. Replace the battery
when necessary. ( →P. 373)
• The smart key system or the wireless remote control does not operate.
• The detection area becomes smaller.
• The LED indicator on the key surface does not turn on.
The battery can be exchanged by the users. ( →P. 373) However, as there
may be damage to the key when exchanging, it is recommended to have
the battery exchanged at your Toyota Dealer.
● To avoid serious deterioration, do not leave the electronic key within 3 ft.
(1 m) of the following electrical appliances that produce a magnetic field:
•TVs
• Personal computers
• Cellular phones, cordless phones and battery chargers
• Recharging cellular phones or cordless phones
• Table lamps
• Induction cookers
■ When the key battery is fully depleted
→P. 373
■ Confirmation of the registered key number (vehicles with a smart key
system)
The number of keys already registered to the vehicle can be confirmed. Ask
your Toyota dealer for details.
■ Customization
Settings (e.g. wireless remote control system) can be changed.
(Customizable features: →P. 474)

1083-2. Opening, closing and locking the doors
C-HR_OM_USA_OM10526U■
If the smart key system or wireless remote control does not operate
properly
Vehicles with a smart key system: Use the mechanical key to lock and unlock
the doors. ( →P. 436)
Replace the battery with a new one if it is depleted. ( →P. 373)
◆Door lock switches
Locks all the doors
Unlocks all the doors
◆Inside lock buttons
Locks the door
Unlocks the door
The front doors can be opened
by pulling the inside handle
even if the lock buttons are in
the lock position.
Unlocking and locking the doors from the inside

3736-3. Do-it-yourself maintenance
6
Maintenance and care
C-HR_OM_USA_OM10526U
Wireless remote control/electronic key
battery
● Flathead screwdriver
● Small flathead screwdriver
● Lithium battery
Vehicles without a smart key system: CR1620
Vehicles with a smart key system: CR2032
Vehicles without a smart key system
Remove the cover.
To prevent damage to the key,
cover the tip of the screwdriver with
a rag.
Remove the battery cover.
Replace the battery with a new one if it is depleted.
You will need the following items:
Replacing the battery
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3756-3. Do-it-yourself maintenance
6
Maintenance and care
C-HR_OM_USA_OM10526U
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 CR1620 (vehicles without a sm art key system) or CR2032 (vehicles
with a smart key system) lithium battery
● Batteries can be purchased at your Toyota dealer, local electrical 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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4387-2. Steps to take in an emergency
C-HR_OM_USA_OM10526U
■Stopping the engine
Set the parking brake, shift the shift lever to P and press the engine switch as
you normally do when stopping the engine.
■ Replacing the key battery
As the above procedure is a temporary measure, it is recommended that the
electronic key battery be replaced immediately when the battery is depleted.
(→P. 373)
■ Changing engine switch modes
Release the brake pedal and press the engine switch in step above. The
engine does not start and modes will be changed each time the switch is
pressed. ( →P. 166)
■ When the electronic key does not work properly
●Make sure that the smart key system and push button start has not been
deactivated in the customization setting. If it is off, turn the function on.
(Customizable features: →P. 474)
● Check if battery-saving mode is set. If it is set, cancel the function.
(→P. 120)
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 key. It is possible for
children and other passengers to get caught in the power window.
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4698-1. Specifications
8
Vehicle specifications
C-HR_OM_USA_OM10526U
Production options
weight
The combined weight of installed regular pro-
duction options weighing over 5 lb. (2.3 kg) in
excess of the standard items which they
replace, not previously considered in curb
weight or accessory weight, including heavy
duty brakes, ride levelers, roof rack, heavy
duty battery, and special trim
Rim
A metal support for a tire or a tire and tube
assembly upon which the tire beads are
seated
Rim diameter
(Wheel diameter)Nominal diameter of the bead seat
Rim size designationRim diameter and width
Rim type designationThe industry manufacturer’s designation for a
rim by style or code
Rim widthNominal distance between rim flanges
Vehicle capacity
weight (Total load
capacity)The rated cargo and luggage load plus 150 lb.
(68 kg) times the vehicle’s designated seating
capacity
Vehicle maximum load
on the tire
The load on an individual tire that is deter-
mined by distributing to each axle its share of
the maximum loaded vehicle weight, and
dividing by two
Vehicle normal load on
the tire
The load on an individual tire that is deter-
mined by distributing to each axle its share of
curb weight, accessory weight, and normal
occupant weight (distributed in accordance
with Table 1
* below), and dividing by two
Weather sideThe surface area of the rim not covered by the
inflated tire
Bead
The part of the tire that is made of steel wires,
wrapped or reinforced by ply cords and that is
shaped to fit the rim
Bead separationA breakdown of the bond between compo-
nents in the bead
Tire related termMeaning