Well, depending on the park, you can not disturb your neighbors after certain hours. So keeping music and television noises to a minimum are necessary. But for full details, contact your park representative.
We managers pass out a newspaper printing of all the California laws regarding mobile homes. If you visit Washington State government's web site, you will find something similar.
Wow! Are you lawyers in WA answering these people? rcw 59.20 is the Bible of living in a mobile home park in WA. Highly suggest you contact AG and get public copy of any complaints against a park. Landowners tend to be SlumLords.