Page 469 of 620
4697-3. Do-it-yourself maintenance
7
Maintenance and care
COROLLA_TMMMS_TMMC_U (OM12J84U)
lFlathead screwdriver
l Small flathead screwdriver
l Lithium battery CR2016 (vehicles without a smart key system), or
CR2032 (vehicles with a smart key system)
Vehicles without a smart key system
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.
Remove the module.
Wireless remote control/electronic key
batter y
: If equipped
Replace the battery with a new one if it is depleted.
You will need the following items:
Replacing the battery
1
2
Page 470 of 620
4707-3. Do-it-yourself maintenance
COROLLA_TMMMS_TMMC_U (OM12J84U)
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
Take out the mechanical key.
Remove the cover.
To prevent damage to the key,
cover the tip of the screwdriver with
a rag.
Remove the depleted battery.
Insert a new battery with the “+”
terminal facing up.
3
1
2
3
Page 471 of 620

4717-3. Do-it-yourself maintenance
7
Maintenance and care
COROLLA_TMMMS_TMMC_U (OM12J84U)
nUse a CR2016 (vehicles without a sm art key system) or CR2032 (vehicles
with a smart key system) lithium battery
l Batteries can be purchased at your Toyota dealer, local electrical appliance
shops or camera stores.
l Replace only with the same or equivalent type recommended by the manu-
facturer.
l Dispose of used batteries according to local laws.
n If the key battery is depleted
The following symptoms may occur:
lThe smart key system (if equipped) and wireless remote control will not
function properly.
l The operational range will be reduced.
CAUTION
n 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
nFor normal operation after replacing the battery
Observe the following precautions to prevent accidents:
lAlways work with dry hands.
Moisture may cause the battery to rust.
l Do not touch or move any other component inside the remote control.
l Do not bend either of the battery terminals.
Page 472 of 620
4727-3. Do-it-yourself maintenance
COROLLA_TMMMS_TMMC_U (OM12J84U)
Turn the engine switch off.
Open the fuse box cover.
Engine compartment
Push the tab in and lift the lid
off.
Under the driver’s side instrument panel
Remove the lid.
Remove the fuse with the pull-
out tool.
Only type A fuses can be removed
using the pullout tool.
Checking and replacing fuses
If any of the electrical components do not operate, a fuse may
have blown. If this happens, check and replace the fuses as nec-
essary.
1
2
3
Page 473 of 620
4737-3. Do-it-yourself maintenance
7
Maintenance and care
COROLLA_TMMMS_TMMC_U (OM12J84U)
Check if the fuse is blown.Normal fuse
Blown fuse
Replace the blown fuse with a new fuse of an appropriate amperage rat-
ing. The amperage rating can be found on the fuse box lid.
4
1
2
Ty p e AType B
Ty p e C
Page 474 of 620
4747-3. Do-it-yourself maintenance
COROLLA_TMMMS_TMMC_U (OM12J84U)
nAfter a fuse is replaced
lIf the lights do not turn on even after the fuse has been replaced, a bulb may
need replacement. ( P. 475)
l If the replaced fuse blows again, have the vehicle inspected by your Toyota
dealer.
n If there is an overload in a circuit
The fuses are designed to blow, protecting the wiring harness from damage.
CAUTION
nTo prevent system breakdowns and vehicle fire
Observe the following precautions.
Failure to do so may cause damage to the vehicle, and possibly a fire or
injury.
lNever use a fuse of a higher amperage rating than that indicated, or use\
any other object in place of a fuse.
l Always use a genuine Toyota fuse or equivalent.
Never replace a fuse with a wire, even as a temporary fix.
l Do not modify the fuses or fuse boxes.
NOTICE
nBefore replacing fuses
Have the cause of electrical overload determined and repaired by your
Toyota dealer as soon as possible.
Page 475 of 620
4757-3. Do-it-yourself maintenance
7
Maintenance and care
COROLLA_TMMMS_TMMC_U (OM12J84U)
Check the wattage of the light bulb to be replaced. (P. 559)
nFront
Light bulbs
You may replace the following bulb s yourself. The difficulty level
of replacement varies depending on the bulb. If necessary bulb
replacement seems difficult to perform, contact your Toyota
dealer.
For more information about repl acing other light bulbs, contact
your Toyota dealer.
Preparing for light bulb replacement
Bulb locations
Headlight high beams
Front turn signal/parking lights
Front side marker lights
Front fog lights (if equipped)1
2
3
4
Page 476 of 620
4767-3. Do-it-yourself maintenance
COROLLA_TMMMS_TMMC_U (OM12J84U)n
Rear
nHeadlight high beams
Turn the bulb base counter-
clockwise.
Pull the bulb out while press-
ing the lock release of the
connector.
Back-up lights
Rear turn signal lights
Stop/tail/rear side marker lights
License plate lights
Replacing light bulbs
1
2
3
4
1
2