Four-Step Hack Defrosts Windscreen in Under 30 Seconds
A former NASA engineer's method, shared on TikTok by a UK tyre and servicing firm, uses the car's heater, air conditioning and air circulation controls.
Updated on Nov. 15, 2026 in Car Maintenance
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Mark Rober, a former NASA engineer, shared a four-step method to defrost a car windscreen in under 30 seconds, which Eden Tyres and Servicing posted to TikTok. The method works by turning off the air circulation button so humidity is trapped inside the car.
Why it matters
Frosted windscreens are a common morning hazard for drivers, and a quick defrosting method can improve visibility before setting off. Other TikTok users offered alternatives such as a windscreen cover or a flattened cardboard box.
The method is claimed to clear a windscreen in under 30 seconds using four steps, with the heater run at full blast and the air conditioning on to absorb remaining moisture. No independent timing or testing of the claim was reported.
The players
Mark Rober
Mark Rober is a former NASA engineer and science communicator who spent nine years at the agency, where he worked on the Curiosity rover, and later worked on self-driving cars with Apple.
Eden Tyres and Servicing
Eden Tyres and Servicing is a tyre and car servicing business operating garages across the East Midlands in the United Kingdom.
The details
The four steps are: run the heater at full blast; switch on the air conditioning to soak up leftover moisture; turn off the air circulation button so humid interior air is trapped; and slightly open all windows to exchange humid air for drier outside air. Eden Tyres and Servicing, which runs garages across the East Midlands, posted the demonstration to TikTok.
Timeline
Article published on 15 November 2026 about the defrosting hack.
Maintenance Trend
The post follows a pattern in which UK tyre and servicing businesses use TikTok demonstrations to reach drivers with practical car-care advice. The reach of such content depends on the platform's short-form video format rather than on independent verification of each tip.
Drivers can try the climate-control sequence before setting off on frosty mornings, without scraping the glass. The method uses only controls already present in most cars, so it requires no added cost.
The takeaway
Practical defrosting tips are easiest to apply when they use controls already in your car, but it is worth testing a method on a cold morning before relying on it. Keep the windscreen clear of obstructions and allow extra time in freezing weather.
Further reading
For more practical upkeep advice, see Car Maintenance guides.
Source note: This article includes information reported by Birmingham Mail.
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