See also:

Other markings
The following makings are also placed on the sidewall. ...

Replacing the air cleaner element
Replace the air cleaner element according to the maintenance schedule in the “Warranty and Maintenance Booklet”. Under extremely dusty conditions, replace it more frequently. It is recommended ...

Temperature control dial
This dial regulates the temperature of airflow from the air outlets over a range from the blue side (cool) to red side (warm). ...