As a bitter cold snap grips the nation, the AA has stepped in to settle a common winter dilemma: the fastest and safest way to defrost a car. With mornings growing frostier, the motoring organisation has debunked popular myths and outlined the only method that truly works without risking damage to your vehicle.
The Definitive Step-by-Step Guide from the AA
Contrary to pressing 'random buttons' as one frustrated Reddit user admitted to doing, the AA's method is precise. Before you even start your engine, check that your windscreen wipers are not switched on. If they are frozen to the glass, activating them can shred the rubber or burn out the motor.
Once that is confirmed, start your engine. Direct all the warm air blowers towards the windscreen to begin melting the ice. You should also activate your car's rear window heater and heated wing mirrors if it has them. For vehicles equipped with air conditioning, turning on the AC is a crucial step, as it will draw moisture from the air inside the car, preventing the windows from misting up after the ice has gone.
Common De-icing Mistakes You Must Avoid
The AA was unequivocal in its warning against using water to melt ice. Pouring hot or even warm water on a frozen windscreen is a recipe for disaster. The glass expands rapidly from the heat and then contracts just as quickly in the cold air, which can cause it to crack, especially if there are existing chips. Furthermore, the water can refreeze almost instantly, creating an even thicker layer of ice and potentially freezing your wipers to the screen.
Another common error is wiping misted windows with your hands. This can leave greasy smears, and any jewellery, like a diamond ring, could permanently scratch the glass. If you need to wipe the inside, the AA recommends using a lint-free, absorbent cloth.
Why You Should Never Leave Your Car Unattended
Even if you are parked on your own driveway, the AA strongly advises that you never leave your vehicle unattended with the engine running. This leaves it vulnerable to theft. The safest practice is to stay with your car while the heaters and defrosting systems do their job, using a dedicated ice scraper or de-icer spray on the outside while you wait.
The organisation also cautioned drivers against falling for viral 'life hacks' such as using a sandwich bag or rubbing a half potato on the windscreen, confirming that the professional method of using the car's own heating systems is the only one they endorse for a quick, safe, and clear view of the road ahead.
