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

Toyota Yaris XP210 (2020-2026) 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 (2020-2026) Reapir and Service Manual: Dtc Check / Clear

DTC CHECK / CLEAR DTC CHECK (a) Operate the GTS to read the DTCs. Chassis > Brake > Trouble Codes (b) Check the details of the DTCs. NOTICE: Make sure to clear the DTCs after repair. Freeze frame data is stored for each of the latest result DTCs and confirmed DTCs...

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Terminals Of Ecu

TERMINALS OF ECU NOTICE: DTCs may be output when connectors are disconnected during inspection. Therefore, be sure to clear the DTCs using the GTS once the inspection has been completed. Do not apply excessive force to the forward recognition camera connector...