See also:

Engine exhaust gas (carbon monoxide)
WARNING ● Never inhale engine exhaust gas. Engine exhaust gas contains carbon monoxide, a colorless and odorless gas which is dangerous, or even lethal, if inhaled. ● Always properly m ...

Tone and balance control
Each brief press of the “TUNE/TRACK/ CH” dial changes the control modes in the following sequence. Choose the desired level for each mode by turning the “TUNE/TRACK/CH” dial. The control func ...

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. ...