For safety and security -> Theft deterrent system for Your Toyota 4 Runner SUV Sixth Generation (2025-2026)

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1-4. Theft deterrent system  
1-4.Theft deterrent system  
Engine immobilizer  
system  
System maintenance  
The vehicle has a maintenance-free  
type engine immobilizer system.  
Conditions that may cause the  
The vehicle’s keys have  
built-in transponder chips  
that prevent the engine from  
starting if a key has not  
been previously registered  
in the vehicle’s on-board  
computer.  
system to malfunction  
If the grip portion of the key is in  
contact with a metallic object  
If the key is in close proximity to or  
touching a key to the security sys-  
tem (key with a built-in transpon-  
der chip) of another vehicle  
Certification  
P.687  
Never leave the keys inside  
the vehicle when you leave  
the vehicle.  
NOTICE  
This system is designed to  
help prevent vehicle theft  
but does not guarantee  
absolute security against all  
vehicle thefts.  
To ensure the system oper-  
ates correctly  
Do not modify or remove the sys-  
tem. If modified or removed, the  
proper operation of the system  
cannot be guaranteed.  
Operating the system  
The indicator light flashes after  
the engine switch has been  
turned off to indicate that the  
system is operating.  
The indicator light stops flashing  
after the engine switch has been  
turned to ACC or ON to indicate  
that the system has been can-  
celed.  
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1-4. Theft deterrent system  
The indicator light changes from  
being on to flashing when the sys-  
tem is set.  
Alar m  
The alarm uses light and  
sound to give an alert when  
an intrusion is detected.  
The alarm is triggered in the  
following situations when  
the alarm is set:  
1
A locked door or back door  
is unlocked or opened in  
any way other than using  
the entry function or wire-  
less remote control. (The  
doors will lock again auto-  
matically.)  
Deactivating or stopping  
Do one of the following to deac-  
tivate or stop the alarms:  
Unlock the doors.  
The hood is opened.  
Turn the engine switch to  
ACC or ON, or start the  
engine. (The alarm will be  
deactivated or stopped after a  
few seconds.)  
Setting/deactivating/stop-  
ping the alarm system  
Items to check before lock-  
ing the vehicle  
Setting the alarm  
The alarm can be set if all the doors  
are closed even with the hood open.  
To prevent unexpected trigger-  
ing of the alarm and vehicle  
theft, make sure of the following:  
System maintenance  
The vehicle has a maintenance-free  
type alarm system.  
Nobody is in the vehicle.  
Triggering of the alarm  
The windows and the moon  
roof (if equipped) are closed  
before the alarm is set.  
The alarm may be triggered in the  
following situations:  
(Stopping the alarm deactivates the  
alarm system.)  
No valuables or other per-  
sonal items are left in the  
vehicle.  
The doors are unlocked using the  
mechanical key.  
Setting  
Close the doors, back door and  
hood, and lock all the doors.  
The system will be set automati-  
cally after 30 seconds.  
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1-4. Theft deterrent system  
NOTICE  
To ensure the system oper-  
ates correctly  
Do not modify or remove the sys-  
tem. If modified or removed, the  
proper operation of the system  
cannot be guaranteed.  
A person inside the vehicle opens  
a door, back door or hood, or  
unlocks the vehicle.  
Pre-alarm  
If a door is unlocked with the  
mechanical key while the alarm  
is being set, the pre-alarm will  
sound for 10 seconds.  
If either the door is locked again  
or the pre-alarm is stopped  
within those 10 seconds, an  
alarm will sound.  
The battery is recharged or  
replaced when the vehicle is  
locked. (P.609)  
Do any of the following in order  
to deactivate or stop the pre-  
alarm:  
Close the doors, and lock all  
doors by smart key system or  
wireless remote control.  
Turn the engine switch to  
ACC or ON, or start the  
engine (The alarm will be  
deactivated and stop after a  
few seconds.)  
Alarm-operated door lock  
In the following cases, depending  
on the situation, the door may auto-  
matically lock to prevent improper  
entry into the vehicle:  
When a person remaining in the  
vehicle unlocks the door and the  
alarm is activated.  
While the alarm is activated, a  
person remaining in the vehicle  
unlocks the door.  
When recharging or replacing the  
battery.  
Customization  
Some functions can be customized.  
(P.637)