Maintenanceandcare -> Wireless remote control/electronic key battery for Your Toyota Corolla 4 Door Eleventh generation (2013-2017)

463  
7-3. Do-it-yourself maintenance  
Wireless rem ote c ontrol/elec tronic key bat-  
ter y  
Replace the battery with a new one if it is depleted.  
You will need the following items:  
Flathead screwdriver  
Small flathead screwdriver  
Lithium battery CR2016 (vehicles without a smart key system), or  
CR2032 (vehicles with a smart key system)  
Replacing the battery  
Vehicles without a smart key system  
1
Remove the cover.  
To prevent damage to the key,  
cover the tip of the screwdriver with  
a rag.  
To prevent the buttons from being  
disassembled, face the button sur-  
face downward.  
7
2
Remove the module.  
: If equipped  
COROLLA_TMMMS_TMMC_U (OM12F00U)  
464  
7-3. Do-it-yourself maintenance  
3
Open the case cover using a  
coin protected with tape etc.  
and remove the depleted bat-  
tery using a small flathead  
screwdriver.  
Insert a new battery with the “+”  
terminal facing up.  
Vehicles with a smart key system  
1
Take out the mechanical key.  
2
Remove the cover.  
To prevent damage to the key,  
cover the tip of the screwdriver with  
a rag.  
3
Remove the depleted battery.  
Insert a new battery with the “+”  
terminal facing up.  
COROLLA_TMMMS_TMMC_U (OM12F00U)  
465  
7-3. Do-it-yourself maintenance  
Use a CR2016 (vehicles without a smart 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.  
CAUTION  
Removed battery and other parts  
These parts are small and if swallowed by a child, they can cause choking.  
Keep away from children. Failure to do so could result in death or serious  
injury.  
NOTICE  
For normal operation after replacing the battery  
Observe the following precautions to prevent accidents:  
Always work with dry hands.  
Moisture may cause the battery to rust.  
7
Do not touch or move any other component inside the remote control.  
Do not bend either of the battery terminals.  
COROLLA_TMMMS_TMMC_U (OM12F00U)