Related Clues:

• Owl's cry
• With 40-Across, nocturnal noisemaker
• Call heard at night
• Factory siren
• Car horn or slang nose
• The horned owl?
• One might get an 'owl from this
• From Poland one came back and ran away with the editor
• The owl in the car?
• Not the sound of a bird by 17 across
• Look to 20 down for this sort of an owl, perhaps
• The owl starts to be in the beginning of 32 across
• What you might not give for the owl, and the owl would always give
• In a car one needs the press for the sound of it
• There's an excessive turn in her, by the sound of it