37 Use your A/C regularly!
Air-conditioning is seen more often than not as purely a comfort aid whilst driving, but it’s a whole lot more, especially in the safety stakes. Right through winter the combination of variable temperatures and higher humidity means windscreens fog up easily. Add to that a windscreen that hasn’t been cleaned in ages and you’ve got a major safety issue brewing. Get used to using the a/c at the first hint of a windscreen that’s fogging up. Set the vents to demist, dial in some temperature to keep things cozy and with a low fan speed the windscreen should demist in moments.