Vehicles and movies

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Across
  1. 2. The grey car used in serie Cobra 11
  2. 5. Tom Selleck's car in Magnum
  3. 7. Peter Falk's car in Columbo
  4. 8. KITT was a modified
Down
  1. 1. Herbie was it
  2. 3. It is a broom used in Harry Potter
  3. 4. It is a magical "vehicle" in Aladdin
  4. 6. The ocean liner from the movie with Leo DiCaprio