Volkswagen Polo Service & Repair Manual: Refrigerant R134a Characteristics

Refrigerant R134a Environmental Information

Vehicle air conditioning systems make use of the vaporization and condensation process. In this case, one works with a substance which boils easily, designated as ref ...

Commercial Names and Designations

Refrigerant R134a is currently available under the following trade names: H-FKW 134a SUVA 134a ...

Other materials:

A/C Service Station, Emptying
  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. ...

Electrically-Driven A/C Compressor for High Voltage System
  Caution Non-approved tools or materials such as leak sealing additives can cause damage or malfunctions in the system. Only use tools and materials approved by the manufactu ...

Checklist
Transporting children in the vehicle : Comply with any country-specific legal regulations. Volkswagen recommends that children under 12 years of age are always transported on the rear seats. A child should only be transported on the front passenger seat in exceptional circumsta ...