Originally Posted by
Glenn.
I use a watering can with warm water in.It clears the ice and snow in seconds.Ive done this for years and have never cracked a windscreen yet.
Aye .. This is my method of cleaning a windscreen

Always worked for me ..
But if you have a big chip and its real cold .. You could watch the cracks develop ..
And yeah .. I leave my truck running when I pop into the Mall .. I have a keycode locking device on the the door .. DEADLOCK if the code goes in wrong twice .. Lockdown