2019 TOYOTA AYGO key

3837-3. Do-it-yourself maintenance
7
Maintenance and care
AYGO_OM_Europe_OM99R19E
Wireless remote control/electronic key
battery
● 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
Lift the cover.
Insert the flathead screwdriver in
the slot and push down.
To prevent damage to the key,
cover the tip of the flathead screw-
driver with a rag.
Remove the cover.
Insert the flathead screwdriver in
the bottom of key and push down.
: If equipped
Replace the battery with a new one if it is depleted.
You will need the following items:
Replacing the battery

3847-3. Do-it-yourself maintenance
AYGO_OM_Europe_OM99R19E
Remove the depleted battery.
Insert a new battery with the “+”
terminal facing up.
Vehicles with a smart entry & start system
Remove the cover.
To prevent damage to the key,
cover the tip of the flathead screw-
driver with a tape.
Remove the battery cover.
Pull the knob of the battery cover
to remove.
Remove the depleted battery.
Insert a new battery with the “+”
terminal facing up.
Knob

3857-3. Do-it-yourself maintenance
7
Maintenance and care
AYGO_OM_Europe_OM99R19E
■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 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 the local laws.
■ If the key battery is depleted
The following symptoms may occur:
● The smart entry & start system (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 electronic key battery
CAUTION
RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN INCORRECT
TYPE. DISPOSE OF USED BATTERIES ACCORDING TO THE
INSTRUCTIONS
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.

405
8When trouble arises
AYGO_OM_Europe_OM99R19E
8-1. Essential information
Emergency flashers ........... 406
If your vehicle has to
be stopped in an
emergency ....................... 407
8-2. Steps to take in
an emergency
If your vehicle needs
to be towed ...................... 409
If you think
something is wrong.......... 415
Fuel pump shut off
system ............................ 416
If a warning light turns
on or a warning buzzer
sounds ............................. 417
If you have a flat tire
(vehicles without
a spare tire) ..................... 427
If you have a flat tire
(vehicles with
a spare tire) ..................... 442
If the engine
will not start...................... 455
If the shift lever cannot
be shifted (vehicles
with a multi-mode
manual transmission) ...... 457
If the electronic key does
not operate properly
(vehicles with a smart
entry & start system)........ 458
If the vehicle battery
is discharged ................... 461
If your vehicle overheats .... 465
If the vehicle becomes
stuck ................................ 468

4088-1. Essential information
AYGO_OM_Europe_OM99R19E
Stop the vehicle in a safe place by the road.
WARNING
■If the engine has to be turned off while driving
● Power assist for the brakes and steering wheel will be lost, making the
brake pedal harder to depress and the steering wheel heavier to turn.
Decelerate as much as possible before turning off the engine.
● Vehicles without a smart entry & start system: Never attempt to remove
the key, as doing so will lock the steering wheel.

4148-2. Steps to take in an emergency
AYGO_OM_Europe_OM99R19E
NOTICE
■To prevent damage to the vehicle when towing using a wheel-lift type
truck
● Vehicles without a smart entry & start system: Do not tow the vehicle from
the rear when the engine switch to the “LOCK” position or the key is
removed.
The steering lock mechanism is not strong enough to hold the front wheels
straight.
● Vehicles with a smart entry & start system: Do not tow the vehicle from the
rear when the engine switch off. The steering lock mechanism is not
strong enough to hold the front wheels straight.
● When raising the vehicle, ensure adequate ground clearance for towing at
the opposite end of the raised vehicle. Without adequate clearance, the
vehicle could be damaged while being towed.
■ To prevent damage to the vehicle when towing with a sling-type truck
Do not tow with a sling-type truck, either from the front or rear.
■ To prevent damage to the vehicle during emergency towing
Do not secure cables or chains to the suspension components.

4258-2. Steps to take in an emergency
8
When trouble arises
AYGO_OM_Europe_OM99R19E
Warning light and warning buzzer list (vehicles with a smart
entry & start system)
Interior
buzzer
Exterior
buzzer
Warning
lightWarning light/Details/Actions
Once3 times(Flashes in yellow)
Smart entry & start system indicator light
(vehicles with a multi-mode manual trans-
mission)
The electronic key was carried outside the
vehicle and the driver’s door was opened
and closed while the engine switch was in a
made other than off.
 Turn the engine switch off or bring the
electronic key back into the vehicle.
Once3 times(Flashes in yellow)
Smart entry & start system indicator light
Indicates that a door other than the driver’s
door has been opened and closed with the
engine switch in any mode other than off
and the electronic key outside of the detec-
tion area.
 Confirm the location of the electronic
key.
Once(Flashes in yellow for 15 seconds.)
Smart entry & start system indicator light
Indicates that the electronic key is not pres-
ent when attempting to start the engine.
 Confirm the location of the electronic
key.
9 times(Flashes in yellow)
Smart entry & start system indicator light
An attempt was made to drive when the
regular key was not inside the vehicle.
 Confirm that the electronic key is inside
the vehicle.

4268-2. Steps to take in an emergency
AYGO_OM_Europe_OM99R19E
Once(Flashes in yellow for 15 seconds.)
Smart entry & start system indicator light
Indicates that the electronic key battery is
low.
 Replace the battery. (P. 384)
Once(Flashes quickly in green for 15 seconds.)
Smart entry & start system indicator light
Indicates that the steering lock has not
been released.
 Release the steering lock. (P. 188)
Once(Flashes in yellow for 60 seconds.)
Smart entry & start system indicator light
• When the doors were unlocked with the
mechanical key and then the engine
switch was pressed, the electronic key
could not be detected in the vehicle.
• The electronic key could not be detected
in the vehicle even after the engine switch
was pressed two consecutive times.
 Touch the electronic key to the engine
switch while depressing the brake
pedal.
Interior
buzzer
Exterior
buzzer
Warning
lightWarning light/Details/Actions