Restatement rules, comments and illustrations are available on both Lexis Advance and WestlawNext. Case summaries are available on WestlawNext and selectively available on Lexis Advance
When to use Restatements:
Log on to Lexis Advance
Choose appropriate Restatement by title or by Practice Areas & Topics (on left)
Log on to Westlaw
Click Secondary Sources
Click Restatements & Principles of the Law
Choose appropriate restatement. Don't forget to look to the right for an index to the Restatement you are using.