Related Clues:
- Gas additive brand
- Signal meaning ''help''
- Slick 50 rival
- Worrisome letters to send
- It may go up in smoke
- Flashed message
- Help line?
- Big inits. at Indy
- Brand invented by an aluminum pot salesman
- It once had a jingle with the line "One little can will keep you running free"
- Mariner's ''Mayday!''
- Emergency letters
- Titanic's call
- Scary signal
- Plea from the sea