Other information:
This is used to select the outside (fresh) air position or recirculated air position.
To change the air intake control position, push the control button.
Outside (fresh) air position
With the outside (fresh) air position selected, air enters the vehicle from outside
and is heated or cooled ...
Oil Specification
1.
The HFC-134a system requires synthetic (PAG) compressor oil whereas
the R-12 system requires mineral compressor oil. The two oils must never
be mixed.
2.
Compressor (PAG) oil varies according to compressor ...