Related Clues:

• A noble gas
• Nightclub light
• Quiz choice, perhaps
• "That's right!"
• Advertising sign element, perhaps
• Broadway light
• "No lie!"
• Sign of the times
• Gas in a sign
• Chrysler Corporation car
• Motel sign
• Sign of nightlife
• Adjust, as wheels
• 'Open late' sign, maybe
• Glass gas