Related Clues:

• A kind of alert
• Cincinnati pro
• Cabernet or merlot
• Word after "see" and before "Sea"
• Like Mars
• Clearly embarrassed, for some
• Scarlet or ruby
• Not yet trained
• With 19-Across, serious warnings
• Buttons on the big screen
• _____ maple
• See 4 Down
• Ruby hue
• Debit color
• "Stop" hue