See also:

Lubrication oil circulation in the refrigerant circuit
Operate the air conditioner compressor at a low engine speed (at idle or low driving speeds) a few minutes each month during the off-season to circulate its oil. ...

Gross Vehicle Weight (GVW) and Gross Vehicle Weight Rating (GVWR)
Gross Vehicle Weight The Gross Vehicle Weight (GVW) must never exceed the Gross Vehicle Weight Rating (GVWR). Gross Vehicle Weight (GVW) is the combined total of the weight of the vehicle, ...

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 ...