Quick spin in a car?

• Quick turnaround, slangily
• 180° turn, slangily
• Illegal fwy. maneuver
• Prelude to a new course
• Turn that's hung
• Often-illegal maneuver that is key to answering the asterisked clues
• Pike no-no
• Slangy about-face
• You might hope a cop doesn't see you hanging one

Wiktionary Word definitions in Wiktionary
alt. (context Australia Canada UK US colloquial informal English) A U-turn. n. (context Australia Canada UK US colloquial informal English) A U-turn.