Page 424 of 661

4246-2. Using the interior lights
UK AURIS_HB_EE (OM12K97E)
■Illuminated entry system
Vehicles without a smart entry & start system
When the interior light switch is in the door position, the interior 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 entry & start system
When the interior light switch is in the door position, the interior lights and
engine switch light automatically turn on/off according to engine switch mode,
the presence of the electronic key, whether the doors are locked/unlocked
and whether the doors are open/closed.
■To prevent battery discharge
The following lights will turn off automatically after 20 minutes:
●Personal/interior lights
●Luggage compartment light
●Vanity lights (if equipped)
■Customization that can be configured at any authorized Toyota dealer or
repairer, or another duly qualified and equipped professional
Settings (e.g. the time elapsed before lights turn off) can be changed.
(Customizable features: P. 630)
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Page 445 of 661
445
7Maintenance and care
UK AURIS_HB_EE (OM12K97E)7-1. Maintenance and care
Cleaning and protecting
the vehicle exterior .......... 446
Cleaning and protecting
the vehicle interior ........... 450
7-2. Maintenance
Maintenance
requirements.................... 453
7-3. Do-it-yourself
maintenance
Do-it-yourself service
precautions ...................... 456
Hood .................................. 459
Positioning a floor jack ....... 461
Engine compartment.......... 462
Tires ................................... 483
Tire inflation pressure ........ 498
Wheels ............................... 500
Air conditioning filter .......... 503
Wireless remote
control/electronic key
battery.............................. 505
Checking and replacing
fuses ................................ 508
Light bulbs ......................... 514
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Page 447 of 661

4477-1. Maintenance and care
UK AURIS_HB_EE (OM12K97E)
7
Maintenance and care
■When using a car wash (vehicles with a smart entry & start system)
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, follow the fol-
lowing correction procedures to wash the vehicle:
●Place the key in a position 2 m (6 ft.) or more separate from the vehicle
while the vehicle is being washed. (Take care to ensure that the key is not
stolen.)
●Set the electronic key to battery-saving mode to disable the smart entry &
start system. (P. 148)
■Aluminum wheels (if equipped)
●Remove any dirt immediately by using a neutral detergent. Do not use hard
brushes or abrasive cleaners. Do not use strong or harsh chemical
cleaners.
Use the same mild detergent and wax as used on the paint.
●Do not use detergent on the wheels when they are hot, for example after
driving for long distance in the hot weather.
●Wash detergent from the wheels immediately after use.
■Bumpers
Do not scrub with abrasive cleaners.
WARNING
■When washing the vehicle
Do not apply water to the inside of the engine compartment. Doing so may
cause the electrical components etc. to catch fire.
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Page 478 of 661

4787-3. Do-it-yourself maintenance
UK AURIS_HB_EE (OM12K97E)
■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 sure to disconnect
the ground cable.
●Make sure the power switch on the charger is off when connecting and dis-
connecting the charger cables to the battery.
■After recharging/reconnecting the battery (vehicles with a smart entry &
start system)
●Unlocking the doors using the smart entry & start system may not be possi-
ble immediately after reconnecting the battery. If this happens, use the wire-
less 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 engine will
operate normally from the second attempt.
●The engine switch mode is recorded by the vehicle. If the battery is recon-
nected, the vehicle will return the engine switch mode to the status it was in
before the battery was disconnected. Make sure to turn off the engine
before disconnecting the battery. Take extra care when connecting the bat-
tery if the engine switch mode prior to discharge is unknown.
If the system will not start even after multiple attempts, contact any authorized
Toyota dealer or repairer, or another duly qualified and equipped professional.
WARNING
■Chemicals in the battery
Batteries contain poisonous and corrosive sulfuric acid and may produce
hydrogen gas which is flammable and explosive. To reduce the risk of death
or serious injury, take the following precautions while working on or near the
battery:
●Do not cause sparks by touching the battery terminals with tools.
●Do not smoke or light a match near the battery.
●Avoid contact with eyes, skin and clothes.
●Never inhale or swallow electrolyte.
●Wear protective safety glasses when working near the battery.
●Keep children away from the battery.
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Page 505 of 661
5057-3. Do-it-yourself maintenance
UK AURIS_HB_EE (OM12K97E)
7
Maintenance and care
●Flathead screwdriver
●Small flathead screwdriver
●Lithium battery CR2016 (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 depleted battery.
Insert a new battery with the “+”
terminal facing up.
Wireless remote control/electronic key
battery
Replace the battery with a new one if it is depleted or “Key bat-
tery low.” is displayed on the multi-information display (vehicles
with a 2-ring meter only).
You will need the following items:
Replacing the battery
1
2
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Page 506 of 661
5067-3. Do-it-yourself maintenance
UK AURIS_HB_EE (OM12K97E)
Vehicles with a smart entry & start 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 battery 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.
1
2
3
4
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Page 507 of 661

5077-3. Do-it-yourself maintenance
UK AURIS_HB_EE (OM12K97E)
7
Maintenance and care
■Use a CR2016 (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 dealer or repairer, or
another duly qualified and equipped professional, 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.
WARNING
■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.
■Certification for the lithium battery
CAUTION:
RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN INCORRECT
TYPE. DISPOSE OF USED BATTERIES ACCORDING TO THE INSTRUC-
TIONS
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.
●Do not touch or move any other component inside the remote control.
●Do not bend either of the battery terminals.
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Page 529 of 661

529
8When trouble arises
UK AURIS_HB_EE (OM12K97E)8-1. Essential information
Emergency flashers ........... 530
If your vehicle has to be
stopped in an
emergency....................... 531
8-2. Steps to take in an
emergency
If your vehicle needs to
be towed .......................... 533
If you think something is
wrong ............................... 539
Fuel pump shut off
system ............................. 540
If a warning light turns on
or a warning buzzer
sounds ............................. 541
If a warning message is
displayed ......................... 553
If you have a flat tire
(vehicles with a
spare tire) ........................ 559If you have a flat tire
(vehicles with an
emergency tire puncture
repair kit).......................... 573
If the engine will
not start............................ 589
If the electronic key does
not operate properly ........ 591
If the vehicle battery is
discharged ....................... 594
If your vehicle
overheats ......................... 600
If you run out of fuel and
the engine stalls............... 604
If the vehicle becomes
stuck ................................ 605
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