2019 Honda Civic

In June 2026, the HVAC system in my 2019 Honda Civic 2.0L failed because the evaporator core developed a premature leak or crack. AutoNation Honda O’Hare inspected the vehicle and diagnosed the evaporator core as the failed component. The vehicle is available for inspection upon request. This failure creates a serious visibility hazard. During rain and humid conditions, the windshield and side windows fog rapidly. Because the air-conditioning system can no longer adequately remove moisture from the cabin air, the defrost and defog functions do not clear the glass effectively. This can severely obstruct my view of the road, nearby vehicles, pedestrians, and other hazards while driving. I have also noticed a persistent chemical odor coming from the vents. Because the evaporator core is located inside the HVAC housing, I am concerned that refrigerant, compressor oil, or other HVAC residue may be entering the passenger compartment. This creates a potential exposure concern, especially when the vehicle is operated with the windows closed. I received no specific dashboard warning that the evaporator core was failing. The first noticeable symptoms were reduced cooling, ineffective windshield defogging, and the chemical odor from the vents. Honda has extended warranty coverage for certain air-conditioning condenser and compressor failures affecting this generation of Civic, but it does not cover the evaporator core. I contacted Honda and requested goodwill assistance with the costly repair. Honda refused to provide any goodwill discount despite the known pattern of air-conditioning failures and the safety consequences of losing effective windshield dehumidification. I request that NHTSA investigate evaporator-core failures in 10th-generation Honda Civics and determine whether a safety recall or expanded manufacturer remedy is warranted.

The rear window shattered while driving. I had turned on my rear window defroster to help clear the window of fog. Several minutes later there was a loud pop, and I saw a hole in the lower left corner of the window under the spoiler, and the rest of the glass was cracked. I pulled over to see if something had hit the window, and there was no evidence of that happening.

Honda won't cover my failing Evaporator for the AC in my 2019 Civic with only 43,000 miles. The AC helps defrost my windshield, it is a safety concern not to mention the scorching heat we get in the California summers. It is absurd that this part is failing already and Honda has admitted to numerous issues throughout the AC systems of these cars but claims no responsibility for the failed evaporator. They do this because it is a labor-intensive part to replace and it is unfair to shoulder this issue on the consumer.

TL* THE CONTACT OWNS A 2019 HONDA CIVIC. THE CONTACT STATED THAT ALL FOUR DOORS WINDOWS HELD WATER, ESPECIALLY THE FRONT DRIVER'S SIDE DOOR WINDOW. THE CONTACT WAS UNABLE TO SEE OUT OF THE FRONT DRIVER'S SIDE WINDOW WHILE DRIVING DUE TO THE FAILURE. THE VEHICLE WAS TAKEN TO HONDA OF JEFFERSON CITY (LOCATED AT 3625 MISSOURI BLVD, JEFFERSON CITY, MO 65109, (573) 893-7676) WHERE A WET TEST WAS COMPLETED AND THE FAILURE RECURRED. THE CONTACT WAS INFORMED THAT THERE WAS A MATERIAL DEFECT. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE AND INFORMED THE CONTACT THAT THE VEHICLE WAS DESIGNED IN THAT MANNER. NO ASSISTANCE WAS OFFERED. THE APPROXIMATE FAILURE MILEAGE WAS 200. THE VIN WAS NOT AVAILABLE.