Tuning
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. ...
How to insert a CD (type A)
While the ignition switch is in the “Acc” or “ON” position, hold a disc with
a finger in the center hole while gripping the edge of the disc, then insert it
in to the slot (with the label side up) ...