Possible Clues:

• Pull a waterskier
• Help for a stranded motorist
• Pull, as a water-skier
• Job for AAA
• What you may need after a breakdown
• Help for the stranded
• Highway breakdown need ... or, initially, feature of 17-, 27-, 45- and 60-Across
• Disabled car need
• What tugboats do
• Remove from an illegal parking spot