Changing Key battery TOYOTA HILUX 2020 Owners Manual (in English)

1993-2. Opening, closing and locking the doors
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Operation of each component
HILUX_OM_OM0K321E_(EE)
■ Effective range (areas within which the electronic key is detected)
When starting the engine or changing engine switch modes
The system can be operated when the electronic key is inside the vehicle.
(The electronic key is not detected when it is on the floor or on the instru-
ment panel.)
■ Battery-saving function
The battery-saving function will be activated in order to prevent the electronic
key battery and the battery from being discharged while the vehicle is not in
operation for a long time.
■ Electronic Key Battery-Saving Function
When battery-saving mode is set, battery depletion is minimized by stopping
the electronic key from receiving radio waves.
When locking or unlocking the doors
The system can be operated when the
electronic key is within about 0.7 m (2.3
ft.) of either of the lock/unlock button on
the outside door handle. (Only the
doors detecting the key can be oper-
ated.)
Press twice while pressing and
holding . Confirm that the electronic
key indicator flashes 4 times.
While the battery-saving mode is set, the
smart entry & start system cannot be
used. To cancel the function, press any of
the electronic key buttons.

2033-2. Opening, closing and locking the doors
3
Operation of each component
HILUX_OM_OM0K321E_(EE)
■ If the smart entry & start system does not operate properly
● Locking and unlocking the doors: Use the mechanical key. (P. 668)
● Starting the engine: P. 669
■ 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.
● 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. 599)
• 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 appliances 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
■ If “KEY LEFT INSIDE VEHICLE”/“Key left inside vehicle” is shown on the
multi-information display (if equipped)
An attempt was made to lock the doors using the smart entry & start system
while the electronic key was still inside the vehicle, or an attempt was made
to lock either front door by opening a door and putting the inside lock button
into the lock position, then closing the door by pulling on the outside door
handle with the electronic key still inside the vehicle.
Retrieve the electronic key from the vehicle and lock the doors again.
■ Customization that can be configured at any authorized Toyota retailer
or Toyota authorized repairer, or any reliable repairer
Settings (e.g. smart entry & start system) can be changed.
(Customizable features: P. 718)
■ 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. 188, 668)
● Starting the engine and changing engine switch modes: P. 669
● Stopping the engine: P. 287

6718-2. Steps to take in an emergency
HILUX_OM_OM0K321E_(EE)
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When trouble arises
■Stopping the engine
Shift the shift lever to P (automatic transmission) or N (manual transmission)
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. 599)
■ Alarm (vehicles with alarm for Kazakhstan, Armenia and Morocco)
Using the mechanical key to lock the doors will not set the alarm system.
If a door is unlocked using the mechanical key when the alarm system is set,
the alarm may be triggered.
■ Changing engine switch modes
Release the brake pedal (automatic transmission) or clutch pedal (manual
transmission) and press the engine switch in step above.
The engine does not start and modes will be changed each time the switch is
pressed. ( P. 288)
■ 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. 718)
● Check if battery-saving mode is set. If it is set, cancel the function.
( P. 199)
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