Toyota Yaris: Manual Type / Windshield Defrosting and Defogging

Toyota Yaris XP210 (2020-2025) Owner's Manual / Interior Features / Climate Control System / Manual Type / Windshield Defrosting and Defogging

Set the mode selector dial to the position.
Set the temperature control dial to the desired position.
Set the fan control dial to the desired speed.
If dehumidified heating is desired, turn on the air conditioner.

For maximum defrosting, turn on the air conditioner, set the temperature control dial to the extreme hot position, and turn the fan control dial fully clockwise.
If warm air is desired at the floor, set the mode selector dial to the position.
In the or position, the air conditioner is automatically turned on and the outside air position is automatically selected to defrost the windshield. In the or position, the outside air position cannot be changed to the recirculated air position.

WARNING

Do not defog the windshield using the Toyota Yaris. Windshield Defrosting and Defogging position with the temperature control set to the cold position

Using the Toyota Yaris. Windshield Defrosting and Defogging position with the temperature control set to the cold position is dangerous as it will cause the outside of the windshield to fog up. Your vision will be hampered, which could lead to a serious accident. Set the temperature control to the hot or warm position when using the Toyota Yaris. Windshield Defrosting and Defogging position.

Ventilation

Set the mode selector dial to the position. Set the air intake selector to the outside air position. Set the temperature control dial to the desired position...

Dehumidifying

Operate the air conditioner in cool or cold weather to help defog the windshield and side windows. Set the mode selector dial to the desired position...

Other information:

Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: System Description

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Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: Data List / Active Test

DATA LIST / ACTIVE TEST DATA LIST NOTICE: In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not. HINT: Using the GTS to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts...