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Air conditioning recharging in line with the regulations in force for cars equipped with r134 gas systems or with the latest generation r1234yf systems.
In the 30s of the last century there were the first attempts to use the air conditioning system that were installed by hand on luxury vehicles. Packard was the first car manufacturer to offer air conditioning as an option on cars just before the outbreak of World War II. The massive expansion of the market began in the 1960s.