Cabin heating, the blower, and the system that clears the windscreen.
A demister that cannot clear the screen in the time the standard allows is a safety defect in a cold country, which is why this is a heading of its own in the Canadian register and not in every other one.
How often it appears
The Canadian register carries 113 notices filed under Heater And Defroster, between 1984 and 2026. The phrase is Transport Canada's own; the explanation above is this site's.
The most recent of them
- 2026222 MICRO BIRD · School Bus · 5 May 2026
- 2026223 MICRO BIRD · Bus · 5 May 2026
- 2026159 LINCOLN · SUV · 1 April 2026
- 2026083 THOMAS BUILT · Bus · 24 February 2026
- 2026065 THOMAS BUILT · School Bus · 13 February 2026
- 2026066 THOMAS BUILT · Bus · 13 February 2026
- 2025584 FORD · Light Truck & Van · 24 October 2025
- 2025576 AUDI · Car · 22 October 2025
- 2025572 PORSCHE · Car · 20 October 2025
- 2025516 KIA · SUV · 26 September 2025
- 2025451 LEXUS · SUV · 4 September 2025
- 2025456 SUBARU · SUV · 4 September 2025
- 2025441 NOVA BUS · Bus · 26 August 2025
- 2025354 JEEP · SUV · 24 June 2025
- 2025136 FORD · Light Truck & Van · 14 March 2025
- 2024648 VOLKSWAGEN · Car · 30 October 2024
- 2024506 NOVA BUS · Bus · 9 September 2024
- 2024201 MICRO BIRD · Bus · 28 March 2024
- 2024202 MICRO BIRD · School Bus · 28 March 2024
- 2024179 PREVOST · Bus · 13 March 2024
- 2024098 JEEP · SUV · 15 February 2024
- 2024044 COACHMEN · Motorhome · 26 January 2024
- 2024014 LUCID · Car · 17 January 2024
- 2023555 FORD · Light Truck & Van · 17 October 2023
- 2023413 JAGUAR · SUV · 27 July 2023
- 2023313 PORSCHE · Car · 31 May 2023
- 2023314 AUDI · Car · 31 May 2023
- 2023212 INTERNATIONAL · Bus · 6 April 2023
- 2023225 NISSAN · Car · 3 April 2023
- 2023150 MERCEDES-BENZ · SUV · 17 March 2023
- 2023098 FORD · Chassis Cab · 24 February 2023
- 2023045 NISSAN · Car · 8 February 2023
- 2023029 BENTLEY · Car · 27 January 2023
- 2023024 PORSCHE · Car · 26 January 2023
- 2022710 ENTEGRA COACH · Motorhome · 13 December 2022
- 2022596 FORD · Light Truck & Van · 20 October 2022
- 2021705 VOLKSWAGEN · SUV · 17 November 2021
- 2021686 KENWORTH · Truck - Med. & H.D. · 9 November 2021
- 2021444 KENWORTH · Truck - Med. & H.D. · 20 July 2021
- 2021247 MERCEDES-BENZ · SUV · 26 April 2021