Volkswagen Polo Owners Manual: Insulating glass windscreen
Fig. 71 Metal-coated windscreen for infrared reflection with communication window (blue area)
First read and observe the introductory information
and safety warnings
Insulating glass windscreens have a coating which reflects infrared radiation. There is a non-coated area above the interior mirror (communication window) which ensures that electronic accessories, for example remote controls, can function properly.
The uncoated area should not be covered either from the outside or the inside, nor should any stickers be applied to this area as this could cause a fault in the electronic components.
Sun visors
Fig. 70 Sun visor
First read and observe the introductory information
and safety warnings
Various positions for the driver and front passenger sun visors:
Folded down over the windscreen.
...
Other materials:
Refrigerant Oil
Refrigerant oil mixes with the refrigerant (about 20 - 40%,
depending on compressor type and amount of refrigerant) and
circulates constantly in the system, lubricating the moving
parts.
Special synthetic refrigerant oils, for example,
...
Battery Charger -VAS5903- Device Description
WARNING
Risk of injury. Follow all Warnings and Safety
Precautions. Refer to
→ Chapter „Warnings and Safety Precautions“.
WARNING ...
Discharge Refrigerant Circuit with A/C Service Station
Caution
If it is suspected that chemicals were added to the
refrigerant circuit to seal leaks, do not connect the
A/C service station and do not extract the refrigerant.
...
