CMVSS 103
Windshield Defrosting and Defogging
| Issuing body | CMVSS |
|---|---|
| Committees | Transport Canada |
| First issued | 1971 |
| Latest revision | 2025 |
| Status | active |
| Category | national |
| Topics | driver_field_of_vision, visual, windscreen_clarity |
| Reference | https://laws-lois.justice.gc.ca/eng/regulations/C.R.C.,_c._1038/page-11.html |
Scope
Requires a windshield defrosting and defogging system capable of clearing defined zones of the windshield within a set time, protecting the driver's forward field of vision in cold or humid conditions. Mirrors US FMVSS No. 103.
Related Papers (20)
- Examination of a Prototype Camera Monitor System for Light Vehicle Outside Mirror Replacement · 2018 · paper relates to standard · 0.56 (embedding)
- FMVSS Considerations for Vehicles with Automated Driving Systems: Volume 2 · 2021 · paper relates to standard · 0.55 (embedding)
- FMVSS Considerations for Vehicles with Automated Driving Systems: Volume 1 · 2020 · paper relates to standard · 0.55 (embedding)
- Fog Detection for Interstate and State Highways · 2012 · paper relates to standard · 0.53 (embedding)
- Development of a Performance Specification for Camera/Video Imaging Systems on Heavy Vehicles - Final Report: Specifications · 2008 · paper relates to standard · 0.52 (embedding)
- FMVSS Considerations for Vehicles with Automated Driving Systems: Volume 3 · 2025 · paper relates to standard · 0.52 (embedding)
- Evaluation of Motorist Warning Systems for Fog-Related Incidents in the Tampa Bay Area · 1997 · paper relates to standard · 0.52 (embedding)
- Geometric Vision Requirements in the Driving Task ↗ · 1970 · paper relates to standard · 0.52 (embedding)
- Pilot Study of Driver Use of a Camera-Based Visibility System Versus Mirrors · 2023 · paper relates to standard · 0.51 (embedding)
- Thermal analysis of the car windscreen · 2019 · paper relates to standard · 0.51 (embedding)
- VEHICLE FOG LIGHTING: AN ANALYTICAL EVALUATION ↗ · 1978 · paper relates to standard · 0.51 (embedding)
- FMVSS Considerations for Vehicles with Automated Driving Systems: Volume 4 · 2025 · paper relates to standard · 0.51 (embedding)
- Effects of Intelligent Warning Systems on Drivers' Steering Wheel Angle in Fog Situations · 2023 · paper relates to standard · 0.50 (embedding)
- Evaluation of cooperative systems on driver behavior in heavy fog condition based on a driving simulator ↗ · 2019 · paper relates to standard · 0.49 (embedding)
- Recognition of foggy conditions by in-vehicle camera and millimeter wave radar ↗ · 2007 · paper relates to standard · 0.49 (embedding)
- Automosphere: Exploring Vehicle Heads-Up Display with Weather-Related Windshield Cues for Passive Fatigue Management · 2026 · paper relates to standard · 0.49 (embedding)
- Federal Motor Carrier Safety Administration's Advanced System Testing Utilizing a Data Acquisition System on the Highways (FAST DASH) Safety Technology Evaluation Project #3: Novel Convex Mirrors · 2016 · paper relates to standard · 0.49 (embedding)
- Image based fog detection in vehicles · 2012 · paper relates to standard · 0.49 (embedding)
- Estimating the Effectiveness of Fog Detect & Warning System by Driving Simulator ↗ · 2012 · paper relates to standard · 0.48 (embedding)
- Fast fog detection for camera based Advanced Driver Assistance Systems ↗ · 2014 · paper relates to standard · 0.48 (embedding)