Hi The chilly nights are here. Already had ice on windscreen, and have condensation in (off side) normal bulb headlight. Apparently the headlights have a 'breather hole' that allows air in / out through under convection. This may be blocked. Any ideas of where to find it? OR remedies. The heating up of the unit with headlights / removal of hot lamp and replacement could be done, but if a seal has gone, this may not prove a useful route. Offside and nearside would be useful for future readers. Regards Penguin