Related Clues:

• Some campaign expenses
• Gives a heads up
• Eye openers
• Dismays
• Waker-uppers
• Red lights and flares
• Leo and Libra
• + and –
• Foghorn blasts, e.g.
• Notifies
• Beeps, maybe
• Bells and whistles, say
• Talks with one's hands
• Red ones are quite urgent
• They might arouse you