Related Clues:

• Fire up a motor
• Make go "vroom"
• Item in a roadie's burden
• Accelerate, for short
• AC unit
• M.L.K. title
• M.L.K. Jr., e.g.
• Music box
• Freeway feature
• Clerical address, for short
• Hit the accelerator
• Way off a freeway
• Gear for a roadie
• Cloverleaf segment
• Rock requirement