Why do so few new cars have heated windscreens?

Why do so few cars have heated windscreens? Surely Ford's patent must have expired by now. It is a brilliant feature.

Asked on 2 November 2016 by David

Answered by Honest John
It has. MINIs were the first outside Ford to get it. Then Jaguars. Some Renaults have them.
Similar questions
I have an increasing number of very superficial scratches on my windscreen. I cannot feel the abrasions if I run my thumb over them and the cause is unknown. Do you recommend any product for treating these...
My colleague has just been hit with an enormous bill to replace a cracked glass roof. When he read the small print of his policy, he's not covered for the rear screen either. Is that standard or just cost...
My son recently agreed to purchase a secondhand car from a large reputable main dealer. Before taking delivery but after signing and paying for it he noticed a significant chip in the windscreen that had...

Ask Honest John

Value my car