Related Clues:

• Titanic transmission
• Call at sea, maybe
• 'H-E-L-P!'
• Logo on some NASCAR autos
• Indy letters
• Brillo pad competitor
• Kin of 911
• Big name in auto products
• Call for help
• Car care product
• Initials on a Nascar car
• Engine additive letters
• Motor oil additive
• Sea plea
• 500 letters