Heater on full, press the little de-ice button in its centre and get to work on the outside of the screen with an old plastic cassette tape cover for some truly old school memories 8)
TBH most deicers on your windscreen will be fine Ruby. They've been designed to be fine so you should be good to go
TBH most deicers on your windscreen will be fine Ruby. They've been designed to be fine so you should be good to go