Autonomous-Driving Mode Indicators Get Closer to Blue-Green Glow in 2025
Introduction Road safety is taking a significant step forward as autonomous-driving mode lighting edges closer to standardization with a distinctive blue-green (turquoise) hue. The Society of Automotive Engineers (SAE) recently approved an updated SAE J3134 recommended practice in December 2025, expanding guidelines for ADS marker lamps to include front, side, and rear indicators. This blue-green autonomous mode lighting aims to clearly signal when a vehicle’s automated driving system is engaged, alerting pedestrians, cyclists, and other drivers that the car may …