Driving -> Software update for Your Toyota bZ4X SUV Second Generation (2025-2026)

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5-4. Using the driving support systems  
5-4.Using the driving support systems  
corresponds to the software ver-  
sion of the system.  
Software update  
It is necessary to enter a  
connected services con-  
tract, provided by Toyota, to  
use these functions. For  
details, contact your Toyota  
dealer.  
Precautions for use  
Be aware that some functions  
may temporarily be disabled if a  
legal or safety related issue  
occurs.  
If a connected services contract  
has not been entered or has  
expired, software updates will not  
be able to be performed wire-  
lessly.  
WARNING  
For safe use  
When the Toyota Safety Sense  
3.0 software is updated, the oper-  
ating methods of functions may  
change. Using this system without  
knowing the correct operating  
methods may lead to an accident  
resulting in death or serious injury.  
Checking your vehicle’s  
Toyota Safety Sense 3.0  
version  
If the software of this system  
has been updated after initial  
purchase of the vehicle, to  
access the appropriate Owner’s  
Manual, it is necessary to check  
the software version of the sys-  
tem and then visit the Owner’s  
Manual website.  
Make sure to read the Digital  
Owner’s Manual which corre-  
sponds to the software version  
of the system, available at the  
Owner’s Manual website,  
5
before using this system.  
Content of the Toyota  
Safety Sense 3.0 Owner’s  
Manual  
Checking the version using  
OneApp  
The software version of the sys-  
tem can be checked using One-  
App.  
This Owner’s Manual contains  
information for Ver. 1. For the  
latest information about the con-  
trols, use, warnings/precautions,  
etc. of each function of Toyota  
Safety Sense 3.0, refer to the  
Digital Owner’s Manual at the  
Owner’s Manual website.  
Using your vehicle’s Toy-  
ota Safety Sense 3.0 ver-  
sion  
1 Access the following URL  
using a computer or smart-  
phone:  
If the software of this system  
has been updated after initial  
purchase of the vehicle, before  
using this system, be sure to  
read the Owner’s Manual which  
For U.S.A owners  
owners/resources/  
warranty-owners-manuals/  
Owners Manual_USA_M42C01_en  
258  
5-4. Using the driving support systems  
manual?om=om42c01u.  
bz4x.2023.2203.ev.vh  
update, a software update may  
take several hours. Although an  
update will be suspended when  
the power switch is turned off, it  
will resume when the power  
switch is changed back to ON.  
Toyota Safety Sense 3.0 can still  
be used while a software update is  
being performed.  
What can be checked using the  
OneApp  
The following items can be checked  
or performed.  
For Canadian owners  
Software version, update details,  
precautions, use methods, etc.  
toyota/owners/  
Software update  
manual?om=om42c01u.  
bz4x.2023.2203.ev.vh  
2 Select the file which includes  
the previously checked sys-  
tem version.  
Updating the software  
If a software update is available,  
a notification will be displayed  
by OneApp. Follow the instruc-  
tions displayed on the screen.  
Software update precautions  
After a software update has been  
performed, it will not be possible  
to revert to a previous version.  
Depending on the communication  
environment and the content of an  
Owners Manual_USA_M42C01_en