Bad weather auto accessory

• Aid for dealing with pea soup
• It's often amber
• It's usually a yellow light
• Wide-beamed shiner
• Aid on a misty night
• Auto-front accessory
• Low-visibility auto accessory
• Headlight that provides strong beam for use in foggy weather

Wiktionary Word definitions in Wiktionary
n. A wide automotive lamp intended to increase visibility in poor weather conditions.