A frosty problem

Bizarre, OP misses the simplest and most logical way of removing frost/ice, a scraper

Like most I start car, switch on rear and mirror demist, get out, scrape windows, get back in and drive off.

With talk of
maybe he lives in the North pole or is a serious mouth breather, cant say I have ever noticed this being a thing.

I suppose you could wind the window down as you set off if its that much of an issue for a couple of mins until the car is warming up

To be fair I have had internal freezing on very cold days in my Vivaro Minibus. Not sure if its breath or just moisture collected from day to day use.

In car dehumidifier helps. Or I run the air conditioning during the last few miles of the journey before I lay the bus up for the night to dry the air.
 
To be fair I have had internal freezing on very cold days in my Vivaro Minibus. Not sure if its breath or just moisture collected from day to day use.

In car dehumidifier helps. Or I run the air conditioning during the last few miles of the journey before I lay the bus up for the night to dry the air.

Probably not enough airflow then. Just increase the airflow and you shouldn't have any more moisture inside than is outside
I suppose if you turn the fans off or almost off you could build up retained moisture

I can see if people do lots of short trips it could build up, they wont want the fans on much due to cold air only and that way they could build up lots of moisture
In that case just open the windows and suck it up ;) , cold air wont support loads of humidity
 
Why do you ever turn it off?
Because to dehumidify the air you need a surface colder than the incoming air so the moisture can condense on that surface. There is a limit to how cold you can get it, otherwise it would freeze up and you would get no airflow. Also, ice build-up can destroy the condenser, at least on my cars.
For this reason, the A/C compressor won't actually run if the temperature is below 5ºC.
 
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So how do you legally ensure that your car is safe to drive in frosty weather??

It's quite simple and doesn't require the brain the size of a planet, most sensible people seem to do it which is to wait until the car is fully defrosted and windows scrubbed if need be before driving away.

Annoyingly, having said the above one of my neighbours does exactly what the idiot in the article did which is to not defrost, clear a small porthole area and immediately drive off.
 
10 months was not enough for the idiot driver in the article, what a pointless waste of a life just because the driver could not take 10 minutes to clear his car properly.
 
So how do you legally ensure that your car is safe to drive in frosty weather??
You start it up, defrost the outside and demist the inside. By this time the glass is sufficiently warm to not refreeze. Then you drive away, the same as people have been doing for decades.
 
i can clear see, a lot of you dont have a Ford

I get in, lock doors, turn engine on, put Electric heater on front and back (no blower)
clears in 2 mins
 
never an issue i've reallyt encountered,

out in the morning, fire the car up heaters and demisters on full, give the outside glass a scrape/spray with deicer and get back in. within a couple of minutes its good to go.

luckily the bigger stuff has diesel fired heaters that are these days app controlled :)
nothing better than looking out the window with a cuppa and watching the ice melt away :)
 
get her running, put the blower on, then while it's warming up hit it with the de-icer and scraper as-required until it's clear enough to drive.

how clear is clear enough is a judgement call, in the same way driving is full of judgement calls.
 
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