Having done this over 10 years a good Christian family with both parents employed whom had just bought a house and was always extremely kind and courteous did not strike me as the ones to do this. 

Be courteous and leave enough room on the Driver side, sothat RV can open their doors.B.

But, I did make mention in the first paragraph that I haven't figured that out yet and explained why, so maybe taking it upon yourself to offer suggestions would have been courteous instead of telling me to google for 10 minutes. 

If the permit office contacts you with any questions or requests, respond as quickly as possible to avoid any delays.Be courteous and respectful when interacting with the permit office staff.

The day-to-day folks are courteous and responsive.

Are you courteous and profession which is different than being nice. 

(No details, and you miss the ones you're looking for)2) Be courteous.

Its always courteous to let residents know in advance there will be changes happening and especially with potential louder noises in case some of them work from home or work night shifts.

She has been courteous, professional, and transparent through the whole process.

Given that it's an ADU and you are an owner occupant I would courteously terminate the lease (the how on this is going to depend on your local laws and your lease) and get a new tenant ASAP.