Component
VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR:RESISTOR/SPEED CONTROL
4 NHTSA complaints about visibility:defroster/defogger/hvac system:fan/motor:resistor/speed control issues across 4 makes and 4 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:FAN/MOTOR:RESISTOR/SPEED CONTROL
4 filings · 4 models · 4 makes · vintage August 2026
- FILINGS SPARSE 4 ODI rows
- MODELS 4 nameplates citing this part
- MAKES 4 manufacturers in corpus
- CRASH 0.0% 0 crash-flagged
- RANK #565 of 696 categories
- SEV QUIET 0 deaths · 0 injuries
Filing-volume peers
VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR:RESISTOR/SPEED CONTROL sits SPARSE on ODI intake volume (#565 of 696 standardized categories) with a QUIET severity stamp (0 reported fatalities across 4 models). Open Hyundai Veloster (category leader) →
VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR:RESISTOR/SPEED CONTROL severity reading
The standout signal for visibility:defroster/defogger/hvac system:fan/motor:resistor/speed control is severity: 0 reported fatalities and 0 injuries (QUIET stamp) on 4 filings (SPARSE volume).
Sparse categories can swing on a single high-volume nameplate; treat the leader row as the actionable signal, not the category headline alone.
Next step: compare Hyundai Veloster against BACK OVER PREVENTION: BACK-UP ALARM on filing totals before treating visibility:defroster/defogger/hvac system:fan/motor:resistor/speed control volume as a purchase signal.
Most Affected Vehicles
| # | Vehicle | Complaints |
|---|---|---|
| 1 | Hyundai Veloster | |
| 2 | Hummer H2 | |
| 3 | Ford Expedition | |
| 4 | Chevrolet Trax |
Recent Complaints
The contact owns a 2019 Chevrolet Trax. The contact smelled an abnormal burning odor and became aware that the A/C unit failed to operate past level 4. The vehicle was taken to an independent mechanic
The contact owns a 2006 Hummer H2. The contact stated while driving and activating the blower motor, the blower motor was intermittently inoperable. The contact stated that an abnormal electrical burn
The contact owns a 2013 Ford Expedition. The contact stated that when she attempted to operate the heating system, she heard a loud whistling sound and knob became stuck on high speed. No warning ligh
Since purchasing my car in 2015, I've had to have the A/C knob replaced 3 times for it melting on the inside and disconnecting, being unable to control the fan. That seems extremely hazardous and ridi
Related Vehicle Components
Verify with NHTSA · consumer-reported counts are not verified defect findings.