Reduce the value until the highlights (bright areas) are no longer clipped or blown out.
If you want, I can generate:
If your camera is fixed on a moving target, the background blurs smoothly. Performance & Usability Resource Intensive: reshade long exposure exclusive
: Use a "Relative" or "Free" camera locked to your vehicle so the car remains sharp while the background blurs. Reduce the value until the highlights (bright areas)