Component

VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM

3,712 NHTSA complaints about visibility:defroster/defogger/hvac system issues across 55 makes and 520 models.

Data updated August 2026. Counts render from the NHTSA Office of Defects Investigation standardized component field; severity flags cross-reference NHTSA ODI complaint flags for owner-reported crash, fire, and injury markers. This page is for informational purposes and does not replace NHTSA recall notices or a vehicle-specific inspection. Methodology · Corrections.

NHTSA ODI component intake brief

ODI category VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM

3,712 filings · 520 models · 55 makes · vintage August 2026

  • FILINGS HEAVY 3,712 ODI rows
  • MODELS 520 nameplates citing this part
  • MAKES 55 manufacturers in corpus
  • CRASH 0.9% 34 crash-flagged
  • RANK #68 of 696 categories
  • SEV INJURY 7 deaths · 71 injuries
VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM (this)VISIBILITY:DEFROSTER/DEFOGGE…3,712VEHICLE SPEED CONTROL:CRUISE CONTROLVEHICLE SPEED CONTROL:CRUISE…3,684SEAT BELTS:FRONT:ANCHORAGE3,757STEERING:HYDRAULIC POWER ASSIST SYSTEMSTEERING:HYDRAULIC POWER ASS…3,798
ODI filing volume neighbourhood: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM vs nearest complaint-total peers

VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM sits HEAVY on ODI intake volume (#68 of 696 standardized categories) with a INJURY severity stamp (7 reported fatalities across 520 models). Open Jeep Grand Cherokee (category leader) →

VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM filing-volume reading

The standout signal for visibility:defroster/defogger/hvac system is ODI intake volume: 3,712 filings (HEAVY band · #68 of 696 standardized categories) across 520 nameplates. Crash-flag share is 0.9%.

Heavy intake categories like this one often reflect a shared supplier or a stressed FMVSS test, open the affected-vehicles table to see whether filings cluster on a few platforms or spread evenly.

Next step: compare Jeep Grand Cherokee against VEHICLE SPEED CONTROL:CRUISE CONTROL on filing totals before treating visibility:defroster/defogger/hvac system volume as a purchase signal.

3,712
Complaints
520
Models Affected
34
Crashes
150
Fires
7
Deaths

Most Affected Vehicles

# Vehicle Complaints
1 Jeep Grand Cherokee
362
2 Chevrolet Equinox
176
3 Ford Explorer
155
4 Ford Taurus
87
5 Dodge RAM 1500
70
6 Ford F-150
60
7 Ford Contour
60
8 Chevrolet Silverado 1500
50
9 Mitsubishi Lancer
48
10 Chevrolet Impala
42
11 Pontiac Torrent
41
12 Dodge Intrepid
40
13 Mercury Villager
39
14 Honda Civic
38
15 Honda Accord
37
16 Chevrolet Malibu
37
17 Dodge RAM 2500
33
18 Chevrolet Blazer
32
19 Ford Windstar
31
20 Mercury Mystique
29
21 Lincoln Mark Viii
29
22 Jeep Wrangler
29
23 Ford Escort
29
24 Toyota Camry
28
25 Infiniti G35
28
26 Ford Ranger
28
27 Jeep Cherokee
27
28 Volkswagen Passat
26
29 Pontiac Grand AM
26
30 Dodge Caravan
26

Recent Complaints

2015 Chevrolet Silverado 2500

The contact owns a 2015 Chevrolet Silverado 2500. The contact stated that while driving approximately 65 MPH with the rear defroster activated, there was an electrical burning odor inside the cabin of

2024 Chevrolet Silverado EV

The contact owns a 2024 Chevrolet Silverado EV. The contact stated that while operating the vehicle in sub-zero temperatures, the HVAC unit failed to blow hot air through the vents. During the failur,

2025 Lucid AIR

The contact owns a 2025 Lucid Air. The contact stated that while operating the vehicle, the air conditioner blower failed to operate while the heater was activated during the winter months, and the wi

2015 Lexus GX!

Radio head unit failure which results in loss of vehicles ability to properly control heating and cooling temp in cabin, loss of navigation and other vital vehicle information. Unable access Lexus ser

2014 Chevrolet Silverado 1500

The contact owns a 2014 Chevrolet Silverado 1500. The contact stated while driving 35 MPH, the cabin became foggy, and the contact noticed that there was smoke coming from between the sliding window a

2014 Mazda Mazda3

Blend door actuator linkage will not allow for heat to be turned on, will blow cool/cold air, have had it looked at and the gear teeth will not stay in line with on another to be able to turn when the

2015 Toyota Camry

When the air conditioner is set to heating, cold air blows on the passenger side, while the driver’s side works correctly.

2022 Toyota Corolla Cross

The contact owns a 2022 Toyota Corolla Cross. The contact stated that while driving at an undisclosed speed in winter weather, the windshield wipers became stuck to the windshield. The contact stated

2025 Toyota Grand Highlander

The vehicle takes an excessively long time to make heat, I know NHTSA only has requirements related to defrosting the windshield and it's clear Toyota is aware of the heating issue because they added

2017 Chevrolet Silverado 1500

The contact owns a 2017 Chevrolet Silverado 1500. The contact stated that while driving 60 MPH with the defroster activated, the contact observed a burning odor, and the rear window shattered. The con

2024 Toyota Grand Highlander

The defroster on the vehicle does not work properly. When starting the car and the window is frosting, the drivers side of the front window defrosts normally but the right side does not defrost proper

2024 Toyota Rav4 Prime

Road debris damaged AC condenser that cools batteries of RAV4 Prime. A quick google search yields many other cases over multiple model years highlighting a design failure on the part of Toyota. Not on

2013 Hyundai Veloster

The contact owns a 2013 Hyundai Veloster. The contact stated that the highest dial setting of the A/C unit had failed to operate as needed. Upon repairing the dial setting on his own, the contact disc

2024 Polestar Polestar 2

On a high humidity evening all of the windows fogged up but the climate system was completely unavailable to use. All of the buttons were “greyed out” and I could not operate the front or rear defrost

2022 KIA K5

The contact owns a 2022 Kia K5. The contact received notification of NHTSA Campaign Number: 25V794000 (FUEL SYSTEM, GASOLINE); however, the part to do the recall repair was unavailable. The local deal

2014 Volkswagen Jetta

The contact owns a 2014 Volkswagen Jetta. The contact stated that the heater and the defroster were inoperable. The vehicle was taken to an independent mechanic, where the heater core was replaced; ho

2016 Chevrolet Silverado 1500 Fire

The contact owns a 2016 Chevrolet Silverado 1500. The contact stated that when the vehicle was started, the rear sliding glass defroster element overheated. The contact was unsure but thought that the

2024 Toyota Grand Highlander

My Toyota Grand Highlander develops severe interior window fogging and condensation, affecting the windshield, front side windows, and occasionally rear windows. This occurs during normal driving, esp

2025 Genesis Gv70

The contact owns a 2025 Genesis GV70. The contact stated that the A/C system had become inoperable. Additionally, the contact stated that while driving 30-40 MPH, the defroster failed to engage as int

2023 Jeep Grand Cherokee L

The contact owns a 2023 Jeep Grand Cherokee L. The contact stated that while starting the vehicle, the defrost system became inoperable. The contact stated that the system functioned intermittently du

Verify with NHTSA · consumer-reported counts are not verified defect findings.