Browse Buick Regal Flasher & parts. Order Buick Regal Flashing parts & Buick Regal Flasher replacement Get Buick Regal Turn signal flashes quickly. Maintaining your Buick Regal's turn signal parts is crucial for safe driving, and recognizing the need for replacement is key—look out for dimming or erratic blinking which indicates it's time for a new set. To extend their lifespan, keep the connectors clean and free from corrosion. When selecting replacement parts, opt for OEM-quality or aftermarket options designed for compatibility with your Regal's year and model, ensuring seamless integration. The turn signals' function is to alert other drivers of your intended direction, and quality materials coupled with proper installation will ensure reliability. Always follow the manufacturer's guidelines for installation to guarantee optimal performance and safety.