change key battery TOYOTA AYGO 2015 Owners Manual (in English)

1173-2. Opening, closing and locking the doors
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Operation of each component
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■ Electronic key battery depletion
● The standard battery life is 1 to 2 years.
● If the battery becomes low, an alarm will sound in the cabin when the engine
stops. ( →P. 359)
● As the electronic key always receives radio waves, the battery will become
depleted even if the electronic key is not used. The following symptoms indi-
cate that the electronic key battery may be depleted. Replace the battery
when necessary. ( →P. 319)
• The smart entry & start system or the wireless remote control does not
operate.
• The detection area becomes smaller.
• The LED indicator on the key surface does not turn on.
● To avoid serious deterioration, do not leave the electronic key within 1 m (3
ft.) of the following electrical appl iances that produce a magnetic field:
•TVs
• Personal computers
• Cellular phones, cordless phones and battery chargers
• Recharging cellular phones or cordless phones
• Table lamps
• Induction cookers
■ Customization that can be configured at any authorized Toyota dealer or
repairer, or another duly quali fied and equipped professional
Settings (e. g. smart entry & start system) can be changed.
(Customizable features: →P. 421)
■ If the smart entry & start system has been deactivated in a customized
setting
● Locking and unlocking the doors:
Use the wireless remote control or mechanical key. ( →P. 93, 391)
● Starting the engine and changing engine switch modes: →P. 392
● Stopping the engine: →P. 155

1564-2. Driving procedures
AYGO_EE_OM99J92E
Modes can be changed by pressing the engine switch with the brake
pedal (multi-mode manual transmission) or clutch pedal (manual
transmission) released. (The mode changes each time the switch is
pressed.)
Off
The emergency flashers can be
used.
The smart entry & start system
indicator light (green) is off.
ACCESSORY mode
Some electrical components such
as the audio system can be used.
The smart entry & start system
indicator light (green) flashes
slowly.
IGNITION ON mode
All electrical components can be
used.
The smart entry & start system
indicator light (green) flashes
slowly.
■ Auto power off function
If the vehicle is left in ACCESSORY or IGNITION ON mode (the engine is not
running) for more than an hour, the engine switch will automatically turn off.
However, this function cannot entirely prevent battery discharge. Do not leave
the vehicle with the engine switch in ACCESSORY or IGNITION ON mode for
long periods of time when the engine is not running.
■ Electronic key battery depletion
→ P. 11 7
■ Conditions affecting operation
→ P. 11 5
■ Notes for the entry function
→ P. 11 6
■ If the engine does not start
● The engine immobilizer system may not have been deactivated. (→P. 69)
Contact any authorized Toyota dealer or repairer, or another duly qualified
and equipped professional.
● The steering lock may not have been canceled.
Changing engine switch modes

1574-2. Driving procedures
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Driving
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■ Steering lock
After turning the engine switch off and opening and closing the doors, the
steering wheel will be locked due to the steering lock function. Operating the
engine switch again automatically cancels the steering lock.
■ When the steering lock cannot be released
■ Steering lock motor overheating prevention
To prevent the steering lock motor from overheating, the motor may be sus-
pended if the engine is turned on and off repeatedly in a short period of time.
In this case, refrain from running the engine. After about 10 seconds, the
steering lock motor will resume functioning.
■ If the system is malfunctioning
→ P. 355
■ If the electronic key battery is depleted
→ P. 319
■ Operation of the engine switch
● When operating the engine switch, one short, firm press is enough. If the
switch is pressed improperly, the engi ne may not start or the engine switch
mode may not change. It is not necessary to press and hold the switch.
● If attempting to restart the engine immediately after turning the engine
switch off, the engine may not start in some cases. After turning the engine
switch off, please wait a few seconds before restarting the engine.
■ If the smart entry & start system has been deactivated in a customized
setting
→ P. 391
The smart entry & start system indicator
light (green) will flash quickly.
Press the engine switch while turning the
steering wheel left and right.

3938-2. Steps to take in an emergency
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When trouble arises
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■Stopping the engine
Shift the shift lever to N 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. 319)
■ Changing engine switch modes
Release the brake pedal (multi-mode m anual transmission) or clutch pedal
(manual transmission) and press t he engine switch in step above.
The engine does not start and modes will be changed each time the switch is
pressed. ( →P. 156)
■ When the electronic key does not work properly
● Make sure that the smart entry & start system has not been deactivated in
the customization setting. If it is off, turn the function on.
(Customizable features: →P. 421)
● Check if battery-saving mode is set. If it is set, cancel the function.
( →P. 115)
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