Registered Users are permitted to access most area's of the site, but have no access to the Members Only areas and are not permitted to post For Sale or Wanted Ads.
They are also are only able to have 5 private messages in their PM box at any time.
Note, most insurance companies will offer a discount to current members of an Owners Club if proof of membership and membership number) is provided. Registered User does not provide this documentation.
A Paid Membership provides the documentation and allows you to store up to 200 private messages.