Toyota Yaris: How to Arm the System / To Turn Off an Armed System

Toyota Yaris XP210 (2020-2025) Owner's Manual / Before Driving / Security System / How to Arm the System / To Turn Off an Armed System

An armed system can be turned off using any one of the following methods:

Pressing the unlock button on the smart key.
Starting the engine with the push button start.
With the advanced keyless function:
Pressing a request switch on the doors.

The hazard warning lights will flash twice.

When the doors are unlocked by pressing the unlock button on the smart key while the theft deterrent system is turned off, the hazard warning lights will flash twice to indicate that the system is turned off.

How to Arm the System

Close the windows securely. Switch the ignition OFF. Make sure the hood, the doors, and the liftgate/trunk lid are closed. Press the lock button on the smart key or lock the driver’s door from the outside with the auxiliary key...

To Stop the Alarm

A triggered alarm can be turned off using any one of the following methods: Pressing the unlock button or the trunk button (4-door) on the smart key...

Other information:

Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: Diagnostic Trouble Code Chart

D..

Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: Back Door Entry Lock and Unlock Functions do not Operate

DESCRIPTION If the entry lock and unlock functions do not operate for the back door only, the request code may not be being transmitted from the back door. If the entry functions for other doors operate properly, communication between the electrical key transmitter sub-assembly and the smart door control receiver assembly is normal...