Misc: What does the Latin expression 'in toto' mean?

Questions

Elvis: Listed as official cause of Elvis's death on his original death certificate?

Elvis: Strange 3-wheeled car manufactured in Germany, purchased by Elvis in 1956?

Elvis: The area at the rear of Graceland where Elvis & his parents are buried?

Elvis: This is misspelled on Elvis's grave marker?

Erasure: Finish the Erasure song title: "River Deep, ...?