No, at the moment you can only use the items on our list.
If you have a maintenance item (anything from a fridge to a tire) on your RV which needs regular maintenance, you'll want to add it to your reminders.
At the moment you'll have to pick from the items on our list. We are looking to give you the ability to add your own in the near future.
In the mean time, if you think there is something we've missed then get in touch.