Coachman caravans have said if you get your caravan serviced within 90 days of the lock down being lifted your warranty will be okay.
Lunar caravans are saying you need to keep proof of orgional service date booking but each case will be assesed case by case.
Bailey caravans are giving an additional 4 months from the anniversary date.
The Erwin Hymer group are saying that you need to have the service carried out as soon as reasonably practicable after the lock down
Adria are giving 3 months grace from the anniversary date
Swift group are giving 4 months from the anniversary date