Related Clues:

• Red __
• Word often preceded by a color
• Chili heat unit
• Forewarn
• Blow the horn at
• Bring to the attention of
• On the lookout
• Car noise?
• Like a watchdog
• Frequent morning surprise
• All-points bulletin
• Chili rating unit
• In a post-caffeine state
• Break-in deterrent
• Warning of a sort