Portuguese 
Spanish 
Frequent use even on cold days, ventilation before turning on the system under strong sun, attention to the recirculation button, and semi-annual cabin filter replacement are among the recommended care to preserve the automotive air conditioning and avoid problems in daily use.
The car’s air conditioning requires correct use and preventive maintenance to avoid excessive strain on parts and bad odors. Five precautions help preserve the system on hot, cold days and long trips.
Frequent use preserves the car’s air conditioning
The equipment should be activated on cold days. This habit prevents the hoses from drying out and keeps the system lubricated, reducing the risk of technical damage.
Hot air should exit before activation
When the car is parked under strong sun, it is recommended to open the windows before turning on the equipment. The initial circulation allows the hot air to exit the cabin.
-
Tesla Begins Testing Two-Seater Autonomous Robotaxi Without Steering Wheel or Pedals, Featuring Onboard Safety Monitor
-
Renault Sandero: Affordable Used Models Feature 1.6 Engine, 106 HP, 14.7 km/l Fuel Efficiency, and Cruise Control Options.
-
Volkswagen Jetta Highline Remains Popular Years After Discontinuation: Features 2.0 TSI Engine, DSG Transmission, and Spacious Trunk, All for Less Than a New Fiat Argo
-
Brazilian Company from Caxias do Sul Among World’s Leading Brake Friction Material Manufacturers, Present in Over 125 Countries
Afterwards, the windows can be closed and the air conditioning activated normally. This measure avoids putting extra strain on the parts.
Recirculation should be used with attention
The recirculation button helps block external air in places with dust, bad odors, or other unpleasant conditions. Despite its usefulness, continuous use is not recommended.
Without the renewal of external air, circulation inside the vehicle becomes limited. On long trips, this can promote drowsiness and facilitate the transmission of respiratory diseases among occupants, such as colds and flu.
Preventive maintenance avoids bad odors
The bad odor when turning on the air conditioning may indicate the presence of fungi and bacteria in the cabin filter. Replacing the filter is recommended every six months.
It is also necessary to keep the system clean and lubricated. These precautions preserve compressors, condensers, evaporators, and parts related to the equipment’s operation.
Those who have had problems with the car’s air conditioning, noticed bad odors, loss of efficiency, or frequently use recirculation on long trips can share their experiences in the comments. Sharing stories helps other drivers identify signs before the system presents major failures.
