2016 TOYOTA C-HR key battery

6527-3. Do-it-yourself maintenance
C-HR_OM_Europe_OM10528E
Wireless remote control/electronic key
battery
● Flathead screwdriver
● Small flathead screwdriver
● Lithium battery CR1620 (vehicles without a smart entry & start sys-
tem), or CR2032 (vehicles with a smart entry & start system)
Vehicles without a smart entry & start 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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6537-3. Do-it-yourself maintenance
7
Maintenance and care
C-HR_OM_Europe_OM10528E
Remove the depleted battery.
Insert a new battery with the “+”
terminal facing up.
When installing, reverse the steps listed.
Vehicles with a smart entry & start system
Release the lock and take out
the mechanical key.
Remove the cover.
Use an appropriate sized flathead
screwdriver. Forceful prying may
deform the cover.
To prevent damage to the key,
cover the tip of the screwdriver with
a rag.
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6547-3. Do-it-yourself maintenance
C-HR_OM_Europe_OM10528E
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 smart entry & start system) or CR2032
(vehicles with a smart entry & start system) lithium battery
● Batteries can be purchased at any authorized Toyota retailer or Toyota
authorized repairer, or any reliable repairer, 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 entry & start system (if equipped), push button start (if equipped)
and wireless remote control will not function properly.
● The operational range will be reduced.
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679
8When trouble arises
C-HR_OM_Europe_OM10528E
8-1. Essential information
Emergency flashers ........... 680
If your vehicle has
to be stopped
in an emergency .............. 681
8-2. Steps to take
in an emergency
If your vehicle needs
to be towed ...................... 683
If you think something
is wrong ........................... 691
Fuel pump shut off
system ............................. 692
If a warning light turns
on or a warning
buzzer sounds ................. 693
If a warning message
is displayed ...................... 704
If you have a flat tire
(vehicles with
an emergency tire
puncture repair kit)........... 710
If you have a flat tire
(vehicles with
a spare tire) ..................... 730
If the engine will not
start.................................. 745
If the electronic key does
not operate properly
(vehicles with a smart
entry & start system)........ 747
If the vehicle battery
is discharged ................... 750
If your vehicle overheats .... 756
If the vehicle becomes
stuck ................................ 759

7458-2. Steps to take in an emergency
8
When trouble arises
C-HR_OM_Europe_OM10528E
If the engine will not start
One of the following may be the cause of the problem:
● There may not be sufficient fuel in the vehicle’s tank.
Refuel the vehicle.
● The engine may be flooded.
Try to restart the engine again following correct starting procedures.
( P. 233, 236)
● There may be a malfunction in the engine immobilizer system.
( P. 8 7 )
One of the following may be the cause of the problem:
● The battery may be discharged. (P. 750)
● The battery terminal connections may be loose or corroded.
The engine starting system may be malfunctioning due to an electrical
problem such as electronic key battery depletion or a blown fuse.
However, an interim measure is available to start the engine.
( P. 746)
If the engine will not start even though correct starting proce-
dures are being followed ( P. 233, 236), consider each of the fol-
lowing points:
The engine will not start even though the starter motor operates
normally.
The starter motor turns over slowly, the interior lights and head-
lights are dim, or the horn does not sound or sounds at a low
volume.
The starter motor does not turn over (vehicles with a smart entry
& start system)

7478-2. Steps to take in an emergency
8
When trouble arises
C-HR_OM_Europe_OM10528E
If the electronic key does not operate properly
(vehicles with a smart entry & start system)
Use the mechanical key ( P. 146) 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. 776)
If communication between the electronic key and vehicle is
interrupted ( P. 174) or the electronic key cannot be used
because the battery is depleted, the smart entry & start system
and wireless remote control cannot be used. In such cases, the
doors can be opened and the engine can be started by following
the procedure below.
Locking and unlocking the doors
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7498-2. Steps to take in an emergency
8
When trouble arises
C-HR_OM_Europe_OM10528E
■Stopping the engine
Set the parking brake, shift the shift leve r to P (Multidrive) or N (manual trans-
mission) 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. 652)
■ Alarm (if equipped)
Using the mechanical key to lock the doors will not set the alarm system.
If a door is unlocked using the mechanical key when the alarm system is set,
the alarm may be triggered.
■ Changing engine switch modes
Release the brake pedal (Multidrive) or clutch pedal (manual transmission)
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. 238)
■ When the electronic key does not work properly
● Make sure that the smart entry & start system and push button start has not
been deactivated in the customization setting. If it is off, turn the function on.
(Customizable features P. 776)
● Check if battery-saving mode is set. If it is set, cancel the function.
( P. 173)
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 pos-
sible for children and other passengers to get caught in the power window.
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7508-2. Steps to take in an emergency
C-HR_OM_Europe_OM10528E
If the vehicle battery 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 following the
steps below.
Vehicles with an alarm ( P. 9 7 ) :
Confirm that the 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. 100)
Open the hood. ( P. 615)
The following procedures may be used to start the engine if the
vehicle’s battery is discharged.
You can also call any authorized Toyota retailer or Toyota autho-
rized repairer, or any reliable repairer or a qualified repair shop.
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