Related Clues:

• Erupt, as tempers
• Emergency kit light
• Visible S O S
• Breakdown signal
• Dash noisily to distress signal
• Warning shot?
• Highway alert
• Antonym of ''taper''
• Blaze of light bent, by the sound of it?
• Sudden blaze
• Gun for the road
• Accident site sight
• Widen, as jeans legs
• Sun burst
• Disabled vehicle's signal