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. ...

Heating
To direct warm air toward the floor: 1. Set the air inlet selection button to the OFF position. 2. Press the “” button. 3. Set the temperature control dial to the most comfortable level. 4. Set th ...

PTY (Program type) group tuning (only FM reception)
Press the “PTY/CAT” button to change to the PTY selection mode. At this time, the PTY group that you are currently listening to will be displayed for 10 seconds. In PTY selection mode, “PTY SEL” ...