Possible Clues:

• Abbr. after an asterisk in a car ad
• Figure on a car sticker
• Sticker abbr.
• Fig. on a new car sticker
• No. on a new-car sticker
• New car sticker abbr
• Car-buying fig
• Amt. rarely paid by a car buyer
• Sticker shock source, perhaps: Abbr
• "Sticker shock" no