Related Clues:

• Train part
• Intrepid, e.g.
• Auto
• Mercury, but not Mars
• Elevator ___
• It can get into a jam
• Game show prize, sometimes
• 21-Across, e.g.
• Prefix with mate or graph
• Means of transport
• Truck compartment
• Rail runner
• It can be in a jam
• Showroom display
• Self-starter?